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LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID

Subclass of:

073 - Measuring and testing

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
073610410 Content or effect of a constituent of a liquid mixture 433
073540010 Viscosity 133
073640560 Sampler, constituent separation, sample handling, or sample preparation 72
073640530 By vibration 39
073530050 Lubricant testing 19
073640470 Osmotic pressure (e.g., diffusion characteristic) 18
073640480 Surface tension 12
073640450 Vapor pressure 4
20100018295STATE SENSOR FOR PLANTS AND A WATERING SYSTEM COMPRISING A STATE SENSOR OF THIS TYPE - A state sensor for plants comprises a clamping device with two clamping elements for clamping a part of a plant. A plant parameter measuring device is coupled mechanically to the clamping device and comprises a sensor element. Said sensor element is configured as a pressure sensor element arranged on one of the clamping elements for detecting a pressure state value of the plant, which pressure state value is independent of the displacement of the clamping elements relative to one another. A watering system has at least one state sensor of this type. A reliable determination of the watering state is obtained over a long period of time and at a low cost.01-28-2010
20090188306REID VAPOR PRESSURE ANALYZER WITH AN AIR SATURATOR - The present invention is directed to an analyzer for measuring the vapor pressure of a hydrocarbon liquid. The analyzer includes a pressure measuring system connected to an air saturation system having a circulation chamber with opposing first and second ends. A first opening is disposed toward the first end and a second opening is disposed toward the second end. A plumbing system connects the first and second openings. A pump moves the hydrocarbon liquid through the plumbing system from the first opening to the second opening so as to saturate the hydrocarbon liquid with air. The air saturation system has a cooler for cooling the hydrocarbon liquid and the pressure measuring system has a heater for heating the hydrocarbon liquid. The pump may be a piston actuated pump or a motor-driven pump and the plumbing system may include an aeration chamber.07-30-2009
20100024528PROCEDURE AND DEVICE FOR DETERMINING THE VAPOR PRESSURE OF A FUEL - A procedure for determining the vapor pressure of a fuel in a tank is provided, whereby the sound velocity and/or a variable representing the sound velocity are determined the in the gas-filled compartment of the tank and the vapor pressure is assumed from the sound velocity and/or from the variable representing the sound velocity at a familiar total pressure.02-04-2010
20120266663Device for Measuring The Activity of a Liquid in a Complex Medium and Associated Method - A device for measuring the activity of a liquid in a complex medium and an associated method, the device comprising a sealed enclosure in which the complex medium is intended to be placed and means for maintaining this enclosure at a constant temperature T, characterized in that it comprises: a means (10-25-2012
073640540 Molecular weight 3
20100288029SYSTEM AND METHOD FOR CHARACTERIZING MEMBRANES AND MEMBRANE FILTRATION DEVICES - A system for characterizing a membrane is disclosed. The system includes a container configured to dissolve a first large molecular weight marker and a second large molecular weight marker into a solution, wherein the container is connected to a reservoir. The reservoir configured to receive the solution. A filtration unit is connected to the reservoir, where the filtration unit is configured to separate the first large molecular weight marker and the second large molecular weight marker from the solution. A measuring system is configured to determine if the first large molecular weight marker is equal to or larger than a first target concentration, where if the first large molecular weight marker is equal to or larger than the first target concentration then the first large molecular weight marker it meets a first criteria for rejection by said membrane. The measuring system is also configured to determine if the second large molecular weight marker is equal to or smaller than a second target concentration, where if the second large molecular weight marker is equal to or smaller than the second target concentration then the second large molecular weight marker meets a second criteria for passage through said membrane.11-18-2010
20090126469Method of Monitoring Fire Resistance of Hydraulic Fluids - A method of monitoring the fire resistance of hydraulic fluids involves measuring a property of the hydraulic fluid that changes as the hydraulic fluid is used; relating the measurement to the fire resistance of the hydraulic fluid; and if necessary, taking remedial action in order to improve the fire resistance of the hydraulic fluid. A suitable property is the molecular weight of polymer anti-mist additives such as polymethyl methacrylate and the fire resistance may be improved by adding to the hydraulic fluid, a concentrate of the polymer in a suitable solvent when the measured molecular weight falls below an acceptable value.05-21-2009
20100319440METHOD FOR EMPLOYING SEC-FTIR DATA TO PREDICT MECHANICAL PROPERTIES OF POLYETHYLENE - The present invention provides several methods of determining values of physical or chemical properties of polymers. In these methods, at least two polymer training samples are provided. Characteristics of the polymer microstructures of the training samples are correlated with values of physical or chemical properties of the training samples. These correlations are subsequently applied to the respective characteristics of polymer test samples in order to determine the values of physical or chemical properties of the test samples.12-23-2010
073600110 Cleaning or foaming ability 3
20110290007Fish Basin Arrangement Having A Central Measuring Device - A fish tank apparatus includes a plurality of fish tanks and water measuring apparatus. The water measuring apparatus includes a measuring member for detecting water parameter, and a switchable sample water diverting member having a plurality of inlets and at least one outlet. A central measurement conduit fluidically connects the outlet of the switchable sample water diverting member with the measuring member. A plurality of peripheral measurement conduits fluidically connect the fish tanks with the inlets of the switchable sample water diverting device, which is configured to selectively feed sample water from each one of the peripheral measurement conduits to the central measurement conduit to test the water in the fish tanks.12-01-2011
20120096930DIRECT QUANTITATIVE COLORIMETRIC MEASUREMENT OF LIQUID FOAM - The present invention generally relates to a foaminess characterization method for characterizing liquid foams and defoamers and a foam generation method for generating the liquid foams.04-26-2012
20090217741METHOD AND DEVICE FOR MONITORING THE OPERATION OF A FLOTATION CELL - The invention relates to a method of and a device for monitoring the operation of a flotation cell. In the method according to the invention, the electrical conductivity of the material (09-03-2009
073640550 Interface 2
20110197664METHOD AND APPARATUS FOR DETERMINING THE INTERFACIAL TENSION BETWEEN TWO LIQUIDS - The interfacial tension between two liquids is determined by: flowing an internal liquid (L08-18-2011
20120125087OPTICAL METHOD FOR DETERMINING FOULING OF CRUDE AND HEAVY FUELS - A method for detecting the formation of at least one phase in a mixture, particularly a hydrocarbon mixture. The method may include using a probe to expose a portion of the mixture to electromagnetic radiation to determine the value of a parameter of interest indicative of the formation of a phase. The method may also include using the value of the parameter of interest with a correlation between a known property of the mixture and the value of a parameter of interest to detect the formation of a phase.05-24-2012
073640440 Vapor-liquid ratio 1
20110239747USING AN EFFECTIVENESS APPROACH TO MODEL A FUEL CELL MEMBRANE HUMIDIFICATION DEVICE - A method for determining the water transfer in a water vapor transfer unit of a fuel cell system that employs a model based approach. The method includes determining a capacity ratio of wet streams and dry streams flowing through the water vapor transfer unit, determining the number of mass transfer units of the water vapor transfer unit, estimating a mass transfer effectiveness value given the capacity ratio and the number of mass transfer units for the water vapor transfer unit, and determining the amount of water transferred in the water vapor transfer unit using the mass transfer effectiveness value, the mass flow rates on a dry basis of the dry stream and the wet stream, and the mass flow rates of water of the dry inlet stream and the wet inlet stream.10-06-2011
073640410 Gelling or coagulation 1
20120291532Methods, Systems, And Apparatus To Determine A Clot Carryout Condition Upon Probe Retraction During Sample Aspiration And Dispensing - A method of determining a condition of clot carryout from a sample container containing a sample fluid is disclosed. During aspiration of a fluid sample (e.g., blood), a level sensor, such as a capacitance sensor, is used to measure ascending and descending liquid level readings. A difference between the ascending and descending liquid level readings may be compared to a predetermined threshold. Non-ideal conditions, such as a clot carryout condition wherein a clot is carried out of the sample container on the exterior surface of the probe may be detected thereby. Systems and apparatus for carrying out the method are provided, as are other aspects.11-22-2012
Entries
DocumentTitleDate
20130042671PROGNOSTIC METHOD - A method of determining the functional activity of the MRP2 and/or MRP3 efflux pathway of a human or animal subject was disclosed. The method comprises (i) determining the level of a bile acid derivative in the blood of said human or animal subject at a predetermined time interval after introducing an amount of the bile acid derivative into the subject, and (ii) using the determination obtained in step (i) to indicate the functional activity of the MRP2 and/or MRP3 efflux pathway of the subject.02-21-2013
20120174655Contaminated water detecting and monitoring and warning device and system and method using single sensors in tandem or cascade - This novel device and method provide immediate, direct, reliable, continuous and inexpensive warnings of potential contamination of a water supply to the user. It uses but is not limited to individual or a cascade of water pressure, turbidity, and total dissolved solids detectors to trigger audible and visual alarms and warn the user at the point of use and at remote sites, of damage to or intrusion into their water distribution system and thereby their water supply. It can be installed into any existing or new system with minimal expertise. It can be used to notify authorities of such problems without any action on the part of the user.07-12-2012
20090044603ARTICLE, DEVICE, AND METHOD - An article includes a substrate assembly for use in a detector system. The substrate assembly includes a substrate; a sample reception structure secured to the substrate; a test window extending through the substrate; and a fluid channel defined by a surface of the substrate and extending from the sample reception structure to the test window.02-19-2009
20120216601MICROFLUIDIC DEVICES FOR ANALYZING CELL MOTILITY - Methods, apparatus, and systems for analyzing the motility of motile cells, such as neutrophils, are described. The microfluidic devices described herein generally include a main channel and one or more side channels and can be used for causing migration of cells in response to a biochemical gradient. The main channel has an inlet and an outlet and can be sized to receive the cells. The side channels that branch from the main channel terminate in a closed end and are sized such that the cell migrates into and through the side channel in response to a concentration gradient established between the main channel and the interior of the side channels in which the biochemical stimulus is trapped after priming and loading.08-30-2012
20090056422SALOMETER AND FLOW RATE SENSOR ASSEMBLY - A salometer and flow rate sensor assembly for a water softener system including a brine tank containing a brine solution including at least one sensor housing provided in the brine tank, a first detector set associated with the housing and configured for indicating whether the brine solution is adequately concentrated and a second detector set associated with the housing and configured for measuring the brine solution flow rate during brine draw and refill cycles of regeneration.03-05-2009
20090056421Residual Liquid Quantity Detecting Method - A residual liquid quantity detecting method capable of accurately detecting the residual quantity of liquid without relying upon visual observation, preventing overfill at the time of refilling. A residual liquid quantity detecting method for a liquid supply container (03-05-2009
20120222467MEASURING DEVICE - The present invention is intended to make it possible to accurately and easily find out a solution when an error occurs and to make a display on a screen up to attaining the solution to be easily visible for a user, and has a solution display mode of sequentially displaying a plurality of question sentences in accordance with error content together with choices to the respective question sentences and displaying a next question sentence associated with the choice selected by a user and a choice to the next question sentence or a solution to the error content, and the choice to each of the question sentences is displayed together with a diagram showing the content of the corresponding choice.09-06-2012
20130160527Multifunctional Apparatus Comprising a Superliquidphobic Surface - In accordance with an example embodiment of the present invention, apparatus including a position sensitive layer configured for position sensitivity; and a superliquidphobic layer configured for superliquidphobicity, the superliquidphobic layer positioned with a surface proximal to a surface of the position sensitive layer; wherein the position sensitive layer is configured to detect the position of a liquid droplet situated on a surface of the superliquidphobic layer.06-27-2013
20120090384Carbon Deposit Simulation Bench And Methods Therefor - A carbon deposit simulation bench for evaluating effects of an engine system liquid on an engine surface that experiences an engine pressure and an engine temperature includes a test chamber having a high surface area test specimen positioned therein. The carbon deposit simulation bench also includes an air supply system including an air supply conduit fluidly connecting an air supply source with the test chamber, and a liquid circulation loop configured to circulate the engine system liquid through the test chamber. A temperature control subsystem simulates the engine temperature within the test chamber, and a pressure control subsystem simulates the engine pressure within the test chamber.04-19-2012
20110283778 MICRO-STRUCTURED SURFACE HAVING TAILORED WETTING PROPERTIES - A micro-structured surface for immersing in a multiphase fluid mixture comprises a substrate having pores and a wetting liquid phase trapped in the pores. The wetting liquid phase is immiscible with all the phases of the multiphase fluid mixture. Alternatively, the wetting liquid phase is miscible with one of the phase of the multiphase fluid mixture.11-24-2011
20090145201METHODS AND APPARATUSES FOR REDUCING EFFECTS OF MOLECULE ADSORPTION WITHIN MICROFLUIDIC CHANNELS - Microfluidic methods and apparatuses for reducing the effects of sample adsorption inside microfluidic chann are provided. According to one embodiment, a microfluidic chip (MFC) comprising an analysis channel (AC) having a cross-sectional area at least two times larger than a cross-sectional area of a microscale channel in fluid communication with the analysis channel is provided that reduces the effects of compound adsorption on data analysis. According to another embodiment, methods for reducing the effect of molecule adsorption to a channel wall (W) on analysis of a reaction in a microfluidic device and methods for making concentration dependent measurements in a microfluidic device are provided which utilize novel microfluidic chips disclose herein.06-11-2009
20110185794PHASE SEPARATION DETECTOR FOR FUEL STORAGE TANK - A method of determining if phase separation into an upper layer of a first fluid and a lower layer of a first fluid has occurred in a tank containing a first fluid, the method including determining a first density of the first fluid adjacent a top surface of the first fluid, determining a second density of the first fluid adjacent a bottom of the tank, and comparing the first density of the first fluid to the second density of the first fluid to determine if the first fluid has separated into the upper layer of the first fluid and the lower layer of the first fluid separated by a phase separation boundary.08-04-2011
20080289399FLUID QUALITY SENSOR - Disclosed are systems and methods for measuring the fluid quality of oil, or other fluids used in or with equipment, machinery and the like. The system may be integrated with a filter device and used, for example, to characterize such fluids and to permit a determination of when to make oil or other fluid changes due to a change in the quality of the oil or fluid.11-27-2008
20110197660WATER PURIFICATION APPARATUS - A method of determining the TOC of a purified water stream is disclosed comprising at least the steps of: passing a supply water stream through a water purification apparatus including an oxidiser to provide a purified water stream, and dispensing at least a portion of the purified water stream; stopping the dispense of the purified water stream and recirculating the purified water stream as a recirculating water stream through at least a portion of the water purification apparatus including the oxidiser to provide a re-oxidised water stream; and measuring the conductivity value of the re-oxidised water stream to determine the TOC of the purified water stream. In this way, a determination of the TOC of the purified water stream of can be provided without requiring a dedicated TOC monitor at the point of dispense of the purified water stream.08-18-2011
20090277253HYDRAULIC FLUID DETERMINATION SYSTEM AND METHOD - A system for determining the type of hydraulic fluid employed in a transmission includes a translating valve, a valve position sensor, a hydraulic fluid temperature sensor, and a controller. The valve position sensor is operable to measure the actual time the valve takes to translate within the hydraulic fluid. The controller is operable to compare the actual time of valve translation to an expected time of valve translation. If the actual time of valve translation is different than the expected time of valve translation to a predetermined degree, the controller is operable to signal an operator of the motor vehicle or a service technician that the hydraulic fluid being used in the transmission is not meeting operating expectations.11-12-2009
20100275677DETECTING FLUID IN A CONDUIT ARRANGEMENT - Apparatus adapted to detect fluid in a conduit arrangement (11-04-2010
20080282779FUEL PROPERTY DETECTOR - A fuel property sensor is provided with three bypass passages and a measure passage. The measure passage is located inside of a closed loop which is comprised of common tangential lines of adjacent bypass passages and a part of profile line of each bypass passage in a cross section perpendicular to the measure passage. Even if the fuel property sensor is rotated around the axis of a fuel pipe in assembling the fuel property sensor to the fuel pipe, at least one of two bypass passages is always located above the measure passage in a vertical direction. Hence, bubbles included in the fuel are restricted from flowing into the measure passage. The fuel property sensor can detect the concentration of ethanol contained in the fuel with high accuracy.11-20-2008
20080282778Method For Testing a Slurry Used to Form a Semiconductor Device - A method for forming a semiconductor device, the method includes providing a semiconductor substrate, applying a slurry to the semiconductor substrate, wherein the slurry was tested using a testing method includes taking a first undiluted sample from a top of the slurry; determining a first particle size distribution characteristic of the first undiluted sample; taking a second undiluted sample from a bottom of the slurry; determining a second particle size distribution characteristic of the second undiluted sample; and comparing a difference between the first particle size distribution characteristic and the second particle size distribution characteristics with a first predetermined value.11-20-2008
20090084166Sensors comprising a chelated metal ion linker layer - Embodiments of sensors according to the invention include a substrate having an activated dielectric surface; a metal ion chelate layer on the activated dielectric surface; and a bifunctional layer on a surface of said metal ion chelate layer, where the bifunctional layer includes bifunctional molecules that have a metal ion affinity moiety; and a ligand attachment moiety. Ligands are located at one or more positions on the surface of the bifunctional layer in certain embodiments. Aspects of the invention further include methods of making the sensors, as well as kits for practicing the methods. Further aspects of the invention include methods of using the sensors, e.g., in analyte detection applications.04-02-2009
20120067110VENTED FUEL SENSOR - A vented fuel sensor comprising a fitting arranged to be mounted to a mating fitting on a fuel tank associated with a hole in the fuel tank, a fuel sensing mechanism, a sensor head extending from the fitting, including sensor electronics coupled to the fuel sensing mechanism and a cavity, the vented fuel sensor having an interior passage configured to interconnect the cavity with the interior of the fuel tank when the vented fuel sensor is installed on the fuel tank.03-22-2012
20100154519MICRO-ELECTRO-MECHANICAL SYSTEMS (MEMS) AND CORRESPONDING MANUFACTURING PROCESS - An embodiment of a micro-electro-mechanical system of the MEMS type comprising at least one micro-electro-mechanical device of the MEMS type and one junction with a duct suitable to being associated with an external apparatus. Said junction being a printed circuit board PCB comprising at least two layers with juxtaposed faces, a channel being present in at least one face of at least one of said at least two layers suitable for realizing the duct with the juxtaposition of the other face of at least another one of at least two layers.06-24-2010
20090314062Fluid Actuator, and Heat Generating Device and Analysis Device Using the Same - A fluid actuator includes a piezoelectric body (12-24-2009
20100236322Surface Acoustic Wave Element and Equipment for Measuring Characteristics of Liquid Material - A surface acoustic wave device having electrodes disposed on a piezoelectric substrate, comprising a sealing member having a peripheral wall disposed on the piezoelectric substrate in surrounding relation to the electrodes, and a top plate covering the peripheral wall; and a sealing stiffener disposed on the piezoelectric substrate in facing relation to a liquid material imposed on the piezoelectric substrate and which extends parallel to a portion of the peripheral wall.09-23-2010
20100206055Monitoring an Immunoassay - A method of monitoring an immunoassay comprises determining the position of the flow edge of fluid across an immunoassay region. This allows, for example, early detection of possible errors in the test. For example the speed of the movement of the fluid flow edge may be determined from measurements of the position of the fluid flow edge at times throughout the test, and the determined speed may be compared with one or more thresholds to determine whether the test is proceeding correctly. A further method of monitoring an immunoassay comprising monitoring the variation with time of a reference zone of an immunoassay region. This can provide the user with early information as to whether the test is proceeding correctly. The above methods may also be used to provide methods to improve the run conditions of a test during its development. The method may be applied to a competitive assay.08-19-2010
20100000299METHOD FOR DETACHABLY CONNECTING A SENSOR FOR FLUID ANALYSIS TO A BODY CONTAINING SAID FLUID, AND CORRESPONDING APPARATUS - The apparatus (01-07-2010
20100288023IMMERSION PROBE FOR WATER ANALYSIS, COMPRISING AN ELECTRODE FOR DETECTIING AN ANALYTE IN WATER - An immersion probe for water analysis includes at least one electrode configured to detect an analyte in water, a probe head with a probe head end side on which the at least one electrode is disposed, and a separate protective cap attached to the probe head so as to be removable in a distal direction. The separate protective cap includes a protective cap end side with an electrode opening and an air discharge nozzle. The air discharge nozzle is configured so as to cause air exiting the air discharge nozzle to sweep over the at least one electrode.11-18-2010
20110072889BCR-ABL TRUNCATION MUTATIONS - Truncation variants of BCR-ABL mRNA that produces BCR-ABL proteins with a truncated C-terminus and its role in resistance to treatment with kinase inhibitors is described. Vectors for expressing the truncated gene products are described as well as recombinant cells that express the truncated gene products from cDNA constructs. Also provided are methods compositions and kits for detecting the BCR-ABL truncation variants. Also provided are methods for determining the prognosis of a patient diagnosed as having myeloproliferative disease, and methods for predicting the likelihood for resistance to a treatment with tyrosine kinase inhibitor in a patient diagnosed as having myeloproliferative disease. Additionally, methods for screening BCR-ABL tyrosine kinase domain inhibitors which rely on the recombinant cells are also disclosed.03-31-2011
20100288022NOVEL CHROMATOGRAPHY METHODS - The present invention relates to novel HPLC methods for the analysis of the API formoterol and related substances. In a first method the mobile phase comprises two or more liquids, and the relative concentration of the liquids is varied to a predetermined gradient. In a second method the mobile phase comprises a first liquid A comprising an aqueous solution of ammonium acetate and a second liquid B comprising a dipolar aprotic solvent. In a third method the mobile phase comprises a first liquid A comprising an aqueous solution of ammonium acetate with a concentration of 0.001 to 0.025M, and a second liquid B. The present invention also relates to a method for analysing a substance, comprising the detection and optional quantification of one or more specific impurities.11-18-2010
20090000356Apparatus For Sensing at Least One Parameter in a Liquid - Apparatus (01-01-2009
20120198919LIQUID SUPPLY WITH OPTIMIZED SWITCHING BETWEEN DIFFERENT SOLVENTS - A method for metering two or more liquids in controlled proportions in a liquid supply system and for supplying a resultant mixture, in which the liquid supply system includes a plurality of solvent supply lines, a proportioning valve interposed between the solvent supply lines and an inlet of a pumping unit, the method includes drawing in a first liquid into the pumping unit via a first solvent supply line; determining one or more switching points of time for switching between different solvent supply lines, the switching points of time being determined in a way that at said switching points of time, the liquid supplied to the pumping unit is in a predefined pressure range; switching from the first solvent supply line to a second solvent supply line at one of said switching points of time; drawing in a second liquid into the pumping unit via the second solvent supply line.08-09-2012
20100101307LIQUID STATE DETECTING SENSOR - A sensor for detecting a state of liquid contained in a container comprising an outer tubular electrode made of an electrically conductive material, an inner electrode made of an electrically conductive material and disposed concentrically within the outer tubular electrode, a base end support member supporting base end portions of the outer tubular electrode and the inner electrode in a way as to provide insulation therebetween, and a leading end support member elastically supporting a leading end portion of the inner electrode on an inside of a leading end portion of the outer tubular electrode.04-29-2010
20090301175Waste water immersion probe - The invention relates to a waste water immersion probe (12-10-2009
20090049892ANALYTICAL SYSTEM AND METHOD OF USE - A system and method of use is provided, relating to an analytical system in which a disposable unit configured to contain a plurality of test strips is inserted into a hand-held device, the test strips being successively presented at a measuring position by a drive provided with the device, wherein after a disposable unit is removed and replaced, the drive is activated to position the test strip that is first in order at the measuring position and it is determined whether the test strip is present, and if the first test strip is not present, the test strip that was presented last when the device was actuated is again positioned at the measuring position.02-26-2009
20110154887Transdermal Portable Alcohol Monitor and Methods for Using Such - Various embodiments of the present invention provide alcohol monitoring devices, and methods for using such. As one example, an alcohol monitoring device is disclosed that includes a device body, an alcohol sensor, and a liquid cartridge. The alcohol sensor is associated with the device body, and relies on a liquid supply to perform an alcohol measurement on a subject. The liquid cartridge is replaceably coupled to the device body and provides the liquid supply to the alcohol sensor.06-30-2011
20120006100METHOD AND/OR SYSTEM FOR DETERMINING BLOOD GLUCOSE REFERENCE SAMPLE TIMES - Subject matter disclosed herein relates to monitoring and/or controlling blood glucose levels in patients. In particular, times for obtaining metered blood glucose samples of a patient may be altered based, at least in part, on a blood glucose level of said patient observed from a blood glucose sensor.01-12-2012
20120131990FLUID MONITORING APPARATUS - A fluid monitoring apparatus, including a circuitry housing containing circuitry for processing fluid sensing signals and responsively transmitting an output, with a sensor assembly adapted for mechanical and electrical coupling to the circuitry housing. The sensor assembly includes at least one sensing member arranged to respond to a fluid species of interest in the monitored fluid, for generation of an output. The apparatus includes at least one of (A) a printed circuit board adapted to engage the circuitry housing and to mechanically couple to the sensor assembly, (B) the sensor assembly including a base and sensing element removably connected to the base by press-fit coupling elements, and (C) the sensor assembly including a base and a sensing filament connected thereto, and a filament guard to protectively circumscribe the sensing filament.05-31-2012
20130014564Method for use of microdialysis - Very accurate measurements of mass transfer can be made rapidly by permitting diffusion of an agent desired to be measured into or out of a small, very precisely known volume of a microdialysis probe, then rapidly pumping or flushing (“pulsing”) the probe with a known volume of fluid as a single pulse. The diffusion and pulsing may be repeated. The method, hereinafter called pulsatile microdialysis (PMD) to distinguish it from prior art continuous flow microdialysis, is useful for measurements in a number of processes, including protein binding, adsorption to binding agents such as activated charcoal, release from microemulsion drug delivery systems, determination of drug diffusion coefficients and concentrations, and for various other purposes.01-17-2013
20080216561Transdermal Portable Alcohol Monitor and Methods for Using Such - Various embodiments of the present invention provide alcohol monitoring devices, and methods for using such. As one example, an alcohol monitoring device is disclosed that includes a device body, an alcohol sensor, and a liquid cartridge. The alcohol sensor is associated with the device body, and relies on a liquid supply to perform an alcohol measurement on a subject. The liquid cartridge is replaceably coupled to the device body and provides the liquid supply to the alcohol sensor.09-11-2008
20080202215PRESSURIZED CRYSTALLIZATION POINT AUTOMATED TEST APPARATUS - A pressurized crystallization point test apparatus for pressurizing a fluid sample and optically detecting the degree of crystallization in the fluid sample while simultaneously measuring the temperature and change in volume of the fluid sample during cooling or heating of the sample is disclosed. The apparatus includes: a cell for containing a fluid sample in an interior of the cell, wherein the cell comprises a first transparent window and a second transparent window; a cooling source for cooling the fluid sample; a pressure source for pressurizing the fluid sample; a temperature sensor positioned in the interior of the cell for measuring the temperature of the fluid sample; an external light source configured to direct light into the cell through the first transparent window; and an external light detector configured to measure the amount of light that traverses the first transparent window, a portion of the fluid sample, and the second transparent window.08-28-2008
20080202214CRYSTALLIZATION POINT AUTOMATED TEST APPARATUS - An apparatus for optically detecting the degree of crystallization in a fluid sample while simultaneously measuring the temperature of the fluid sample during cooling or heating of the sample is disclosed. The apparatus includes: a test vial for containing a fluid sample in an interior of the vial, wherein the test vial is light permeable; a cooling source for cooling the fluid sample; a temperature sensor positioned in the interior of the test vial for measuring the temperature of the fluid sample; an external light source configured to direct light into the test vial; and an external light detector configured to measure the amount of light that traverses both the test vial and the fluid sample.08-28-2008
20110308303SENSOR INCLUDING A PHOTOCATALYST - Devices and methods for degrading contaminants that may foul a sensor. A photocatalyst associated with the sensor is capable of interacting with a light source to prevent contamination of the sensor and/or to facilitate decontamination of the sensor by contaminants such as, but not limited to, organic compounds, volatile organic compounds (VOCs), organometallic compounds, soot, organic matter, bacteria, algae, eggs of aquatic organisms, planktonic larvae, and the like.12-22-2011
20130192348SENSOR-ENABLED GATE VALVE - Methods, systems, and apparatus for a gate valve including a body and a sensing bore. A subassembly includes a body with a sensing bore; a bonnet contacting the body; and at least one of a vein and a plug in the sensing bore.08-01-2013

Patent applications in class LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID

Patent applications in all subclasses LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID