Duffin, US
Andrew M. Duffin, Oakland, CA US
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20100101934 | METHOD AND APPARATUS FOR ELECTROKINETIC CO-GENERATION OF HYDROGEN AND ELECTRIC POWER FROM LIQUID WATER MICROJETS - A method and apparatus for producing both a gas and electrical power from a flowing liquid, the method comprising: a) providing a source liquid containing ions that when neutralized form a gas; b) providing a velocity to the source liquid relative to a solid material to form a charged liquid microjet, which subsequently breaks up into a droplet spay, the solid material forming a liquid-solid interface; and c) supplying electrons to the charged liquid by contacting a spray stream of the charged liquid with an electron source. In one embodiment, where the liquid is water, hydrogen gas is formed and a streaming current is generated. | 04-29-2010 |
Dalles Dean Duffin, Rupert, ID US
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20110220743 | Tower Support System for Irrigation - A swing arm support system for automated irrigation systems has a support hub and a means to attach and operate two wheels to opposite sides of the support hub. The support hub provides greater ground flotation to prevent the forming of ruts in a field and traction to prevent an automated swing arm from becoming stuck. The swing arm support system provides for the use of common automated irrigation components so that fabrication, repair and operation are most efficient. The support hub in pivotally attached to an existing swing arm support tower. The support hub is carried by two pneumatic tires in one embodiment, four tires in another embodiment, six tires in another embodiment, and movable tracks in another embodiment. | 09-15-2011 |
Dana Duffin, Rupert, ID US
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20080283637 | FLUSH VALVES, IRRIGATION SYSTEMS INCLUDING FLUSH VALVES, AND METHODS FOR FLUSHING DEBRIS FROM IRRIGATION SYSTEMS - Valves for use in irrigation systems include a moveable sealing member disposed within a valve body. The moveable sealing member is configured to close automatically the valve when the magnitude of a pressure differential between the inlet and the outlet of the valve body reaches a predetermined threshold value and to open automatically the valve when the magnitude of the pressure differential falls below the predetermined threshold value. Irrigation systems include such valves and methods for flushing debris out of the irrigation systems using such valves. | 11-20-2008 |
David Duffin, Raleigh, NC US
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20080268015 | Methods and compositions for promoting localization of pharmaceutically active agents to bone - Compositions are provided comprising a family of peptides having binding specificity for bone, and their use to produce coating compositions. The coating compositions are used to deliver a pharmaceutically active agent to bone, and are used in methods related to bone implants, bone repair, and bone-related diseases. | 10-30-2008 |
David C. Duffin, Sandy, UT US
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20090026039 | METHODS AND APPARATUS FOR TRANSFERRING A SUBSTRATE CARRIER WITHIN AN ELECTRONIC DEVICE MANUFACTURING FACILITY - In one aspect, a method is provided for electronic device manufacturing. The method includes receiving a request to transfer a carrier to or from a first substrate loading station of an electronic device manufacturing facility, and assigning one of a plurality of carrier supports to carry out the transfer based on a spacing on either side of the assigned carrier being greater than an acceptable spacing. Numerous other aspects are provided. | 01-29-2009 |
David J. Duffin, East Palo Alto, CA US
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20090214489 | PEPTIDES AND COMPOUNDS THAT BIND TO A RECEPTOR - Described are peptides and peptide mimetics that bind to and activate the thrombopoietin receptor. Such peptides and peptide mimetics are useful in methods for treating hematological disorders and particularly, thrombocytopenia resulting from chemotherapy, radiation therapy, or bone marrow transfusions as well as in diagnostic methods employing labeled peptides and peptide mimetics. | 08-27-2009 |
Don Duffin, Paul, ID US
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20140312143 | Nutating Sprinkler Head - A sprinkler head with a nutating water distribution cage attached to a sprinkler body. Water from the sprinkler head impacts a strike plate of the cage to initiate nutation of the cage. Spiral grooves on the strike plate contribute to the nutation of the cage, and an upturned edge on the periphery of the strike plate contributes to the spread and uniform distribution of water from the sprinkler head. | 10-23-2014 |
Edwin G. Duffin, North Oaks, MN US
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20100152804 | SECURE AND EFFICACIOUS THERAPY DELIVERY FOR A PACING ENGINE - The above-described methods and apparatus are believed to be of particular benefit for patients suffering heart failure including cardiac dysfunction, chronic HF, and the like and all variants as described herein and including those known to those of skill in the art to which the invention is directed. It will understood that the present invention offers the possibility of monitoring and therapy of a wide variety of acute and chronic cardiac dysfunctions. The current invention provides systems and methods for delivering therapy for cardiac hemodynamic dysfunction via the innervated myocardial substrate receives one or more discrete pulses of electrical stimulation during the refractory period of said innervated myocardial substrate. | 06-17-2010 |
20120303084 | SECURE AND EFFICACIOUS THERAPY DELIVERY FOR A PACING ENGINE - The above-described methods and apparatus are believed to be of particular benefit for patients suffering heart failure including cardiac dysfunction, chronic HF, and the like and all variants as described herein and including those known to those of skill in the art to which the invention is directed. It will understood that the present invention offers the possibility of monitoring and therapy of a wide variety of acute and chronic cardiac dysfunctions. The current invention provides systems and methods for delivering therapy for cardiac hemodynamic dysfunction via the innervated myocardial substrate receives one or more discrete pulses of electrical stimulation during the refractory period of said innervated myocardial substrate. | 11-29-2012 |
Gary R. Duffin, Liberty, MO US
Kirk Duffin, Dekalb, IL US
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20130015352 | HIGH PERFORMANCE COMPUTING FOR THREE DIMENSIONAL PROTON COMPUTED TOMOGRAPHY (HPC-PCT) - A proton computed tomography (pCT) detector system, including two tracking detectors in sequence on a first side of an object to be imaged, two tracking detectors in sequence on an opposite side of the object to be imaged, a calorimeter, and a computer cluster, wherein the tracking detectors include plastic scintillation fibers. All fibers in the detector system are read out by Silicon Photomultipliers (SiPM). A method of imaging an object by emitting protons from a source through two tracking detectors, through and around the object, and through two opposite tracking detectors, detecting energy of the protons with a calorimeter, and imaging the object. | 01-17-2013 |
20140367569 | HIGH PERFORMANCE COMPUTING FOR THREE DIMENSIONAL PROTON COMPUTED TOMOGRAPHY (HPC-PCT) - A proton computed tomography (pCT) detector system, including two tracking detectors in sequence on a first side of an object to be imaged, two tracking detectors in sequence on an opposite side of the object to be imaged, a calorimeter, and a computer cluster, wherein the tracking detectors include plastic scintillation fibers. All fibers in the detector system are read out by Silicon Photomultipliers (SiPM). A method of imaging an object by emitting protons from a source through two tracking detectors, through and around the object, and through two opposite tracking detectors, detecting energy of the protons with a calorimeter, and imaging the object. | 12-18-2014 |
Kyle P. Duffin, Shakopee, MN US
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20150359633 | SYSTEM FOR TESTING VALVES - This document provides systems and methods for testing of various kinds of valves. For example, this document provides systems and methods for accelerated life testing of prosthetic heart valves. | 12-17-2015 |
20150359634 | SYSTEM FOR TESTING VALVES - A chamber assembly for testing a valve includes a proximal chamber portion that defines a proximal interior space, and a distal chamber portion that defines a distal interior space. The distal interior space includes a gas space. When a liquid is inserted into the proximal and distal chambers there is an interface between the liquid and a gas in the gas space. A valve holder is disposed adjacent to the proximal interior space and the distal interior space. The valve holder is configured to receive the valve in a bore of the valve holder. A shortest distance between a center of the valve when in the bore and the interface is at least about 45 mm. | 12-17-2015 |
Marcus Duffin, Tigard, OR US
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20150374965 | DUAL APPLICATOR - Embodiments herein may relate to a unit dose system that may include a first applicator and a second applicator. The first applicator may include a crushable ampoule that includes approximately 1 milliliter (mL) of a silver salt solution disposed therein. The first applicator may further include a first syringe tip coupled with the crushable ampoule. The second applicator may include a flexible filled tube that includes approximately 4 mL of a varnish disposed therein and a second syringe tip coupled with the flexible filled tube. Other embodiments may be described and/or claimed. | 12-31-2015 |
Paul Duffin, San Diego, CA US
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20110009796 | METHOD AND APPARATUS FOR INCREASING CONTAMINANT CLEARANCE RATES DURING EXTRACORPOREAL FLUID TREATMENT - An extracorporeal fluid treatment apparatus includes a separator comprising a cartridge surrounding a porous separation membrane. The membrane separates a main flow path of a cellular component of the blood from a plasma flow path. An affinity medium is disposed within the plasma flow path to bind contaminants such as viral pathogens or toxins contained within the plasma. A pump pumps the plasma through the affinity medium at an assisted flow rate preferably between 10% and 40% of the whole blood flow rate. The assisted flow rate is selected to reduce a T90% of the apparatus by at least 50% as compared to a T90% of the apparatus without the plasma pump. A method of treating blood containing contaminants includes supplying infected blood to a separator and pumping the plasma component through an affinity medium at an assisted flow rate to increase contaminant clearance. | 01-13-2011 |
20110284463 | DEVICE AND METHOD FOR PURIFYING VIRALLY INFECTED BLOOD - The present invention relates to a method for using lectins that bind to pathogens having surface glycoproteins or fragments thereof which contain glycoproteins, to remove them from infected blood or plasma or other fluids in an extracorporeal setting. Accordingly, the present invention provides a methods and devices for reducing viral load or plaque forming units in blood or plasma from one or more infected individuals. A preferred embodiment of the method comprises passing the blood or plasma through a porous hollow fiber membrane wherein lectin molecules are disposed proximate to the membrane, collecting pass-through blood or plasma and optionally reinfusing the pass-through blood or plasma into the individual. Additionally, the present invention provides a methods and devices for the reduction of plaque forming units, cleared more rapidly and more efficiently than overall viral load. | 11-24-2011 |
20130323756 | METHODS AND COMPOSITIONS FOR QUANTIFYING EXOSOMES - Embodiments of the present invention relate to methods, compositions and kits for quantifying exosomes. In particular, methods, composition and kits that utilize lectins to quantify exosomes are provided. | 12-05-2013 |
Paul R. Duffin, San Diego, CA US
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20110218512 | ENHANCED ANTIVIRAL THERAPY METHODS AND DEVICES - Embodiments of the present invention relate to enhanced antiviral therapy methods, devices, and kits for treating viral infections. The disclosed enhanced antiviral therapy methods, devices, and kits enhance the efficacy of an antiviral therapy by administering a lectin affinity hemodialysis treatment to an individual suffering from viral infection in combination with the antiviral therapy. | 09-08-2011 |
20120037564 | METHODS AND SYSTEMS FOR REDUCING VIRAL LOAD OF HEPATITIS C VIRUS IN HEMODIALYSIS PATIENTS - The present technology relates to methods and systems for the removal of pathogens and fragments thereof in hemodialysis patients. In particular, methods and systems are described where lectins can be used to remove the Hepatitis C virus and fragments thereof in hemodialysis patients, and to provide a sustained reduction in viral load. | 02-16-2012 |
Robert Lagrand Duffin, Draper, UT US
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20120030858 | ABSORBENT SLEEVE - An absorbent sleeve configured to rest above a shoulder of a user and enable a user to envelop a user's head, thereby enabling the user to absorb fluids disposed thereon by manual manipulation thereof, without the sleeve being in substantial contact with other parts of a user's body. The sleeve includes a cylindrical member having a looped layer of absorbent material. The cylindrical member includes a first aperture and a second aperture. The absorbent sleeve includes a first cinch loop coupled about the first aperture of the cylindrical member. The absorbent sleeve includes a second cinch loop coupled about the second aperture of the cylindrical member. The cylindrical member includes a waterproof layer disposed on an exterior surface thereof. | 02-09-2012 |
Rodney J. Duffin, Cedar Creek, TX US
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20110232671 | Heated Mascara Applicator And Suitable Compositions - A handheld mascara applicator comprising an applicator head, a source of electric current, and a heat generating portion that is effective to heat a quantity of mascara located on the applicator head, from an ambient temperature to a product application temperature, in 25 seconds or less, or that is effective to raise the temperature of the outer surface of the applicator head from an ambient temperature to about 55° C. or more, in 25 seconds or less. Systems for applying various types of mascara compositions are also disclosed. | 09-29-2011 |
20120321367 | Heated Mascara Applicator And Suitable Compositions - A handheld mascara applicator comprising an applicator head, a source of electric current, and a heat generating portion that is effective to heat a quantity of mascara located on the applicator head, from an ambient temperature to a product application temperature, in 25 seconds or less, or that is effective to raise the temperature of the outer surface of the applicator head from an ambient temperature to about 55° C. or more, in 25 seconds or less. Systems for applying various types of mascara compositions are also disclosed. | 12-20-2012 |
Roger Duffin, Paul, ID US
Patent application number | Description | Published |
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20140312143 | Nutating Sprinkler Head - A sprinkler head with a nutating water distribution cage attached to a sprinkler body. Water from the sprinkler head impacts a strike plate of the cage to initiate nutation of the cage. Spiral grooves on the strike plate contribute to the nutation of the cage, and an upturned edge on the periphery of the strike plate contributes to the spread and uniform distribution of water from the sprinkler head. | 10-23-2014 |
R. Paul Duffin, San Diego, CA US
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20120164628 | AFFINITY CAPTURE OF CIRCULATING BIOMARKERS - Methods, devices and systems for capturing biomarkers are provided. In particular, methods, compositions, and systems that utilize affinity capture devices comprising a processing chamber, affinity capture agent and porous membrane are provided. | 06-28-2012 |
20150024475 | AFFINITY CAPTURE OF CIRCULATING BIOMARKERS - Methods, devices and systems for capturing biomarkers are provided. In particular, methods, compositions, and systems that utilize affinity capture devices comprising a processing chamber, affinity capture agent and porous membrane are provided. | 01-22-2015 |
Steve Duffin, Wilsonville, OR US
Patent application number | Description | Published |
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20150374965 | DUAL APPLICATOR - Embodiments herein may relate to a unit dose system that may include a first applicator and a second applicator. The first applicator may include a crushable ampoule that includes approximately 1 milliliter (mL) of a silver salt solution disposed therein. The first applicator may further include a first syringe tip coupled with the crushable ampoule. The second applicator may include a flexible filled tube that includes approximately 4 mL of a varnish disposed therein and a second syringe tip coupled with the flexible filled tube. Other embodiments may be described and/or claimed. | 12-31-2015 |
Terry M. Duffin, Westminster, CO US
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20150088126 | WIRE RETENTION UNIT FOR A SURGICAL INSTRUMENT - An electrosurgical instrument includes a housing including an elongated shaft. A stationary actuation member is axially disposed within the elongated shaft and includes a cam pin. An actuating mechanism is operably coupled to the elongated shaft and is moveable relative to the housing to selectively cause movement of the elongated shaft. An end effector includes a pair of opposing first and second jaw members operably coupled about a common pivot. One or both of the jaw members includes a camming slot configured to engage the cam pin. Each jaw member includes an electrically conductive tissue sealing surface adapted to connect to a source of electrosurgical energy. A knife blade is supported in the elongated shaft and moveable in a longitudinal direction to cut tissue disposed between the jaw members. A wire retention unit is supported within the housing and includes a plurality of wire clasps and a plurality of guide ribs configured to define at least one wire path. | 03-26-2015 |
Todd E. Duffin, Bellevue, WA US
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20110091187 | RESUME POINT FOR DIGITAL MEDIA PLAYBACK - A system (and method and computer readable medium) are disclosed for configuring a digital media device to resume playback of content stopped at a first digital media playback device to resume at a second digital media playback device. The configuration detects a stop in play of content stored on a digital media storage device and determines digital media playback preference selections for the content played on the first digital media playback device. The configuration generates a playback preference file and determines a stop location for content, the stop location corresponding to a resume point for the content on the second media playback device. The configuration writes the playback preference file and the stop location to the digital media storage device. | 04-21-2011 |
20110197131 | CONTEXTUAL CHAPTER NAVIGATION - A system and a method are disclosed for on-screen display that indicates to the user the current point in the playback of the video within the context of the chapter delineations. The user can access a chapter selection feature that presents a preview image from each chapter along with a timeline representing the video, and an indication on the timeline of where the chapters fall along the timeline. Alternatively, short video segments replace the still images as representing the chapters for some or all of the chapters. The user can select a chapter in which to resume playing the video by selecting one of the images or video segments. | 08-11-2011 |