Entries |
Document | Title | Date |
20080251081 | Systems for Removing Dimethyl Sulfoxide (Dmso) or Related Compounds or Odors Associated with Same - Preferred embodiments of the invention relate to systems for removing dimethyl sulfoxide (DMSO) or related compounds, or odors associated with same. The systems include adsorbents, odor adsorbing fabrics, masks, clean air members and clean air supply assemblies. | 10-16-2008 |
20080257353 | Tracheal Cannula - A tracheal cannula of the invention includes a breathing path for supplying and discharging air formed between a basal end for connection with a breathing tube extending from an external artificial respirator and a distal end for insertion into a patient's trachea, and a trachea side opening formed at the distal end of the breathing path. Besides and along the breathing path, a suction path is provided for sucking phlegm accumulated in the patient's trachea. A phlegm suction opening is formed in a region of a wall of the suction path on the side of the inner wall of the trachea between the distal end of the breathing path and a cuff, the phlegm suction opening facing the inner wall of the trachea. | 10-23-2008 |
20080295843 | SELF SANITIZING FACE MASKS AND METHOD OF MANUFACTURE - A reusable facemask includes a filter layer of material adapted to trap particles having a size range of known contaminant particles; and a porous layer of material located adjacent to the filter layer and adapted to continually sanitize contaminant particles trapped by the filter layer and contaminant particles passing through the porous layer by releasing free ions of elements selected from the group consisting of silver and copper. | 12-04-2008 |
20090065006 | Filtering respirator with rotatable filter - A filtration system for use in a respirator includes a base member including a chamber aperture, a rotating member including a filter that rotates with respect to the base member; and a cover with an inhale entry. The inhale entry and the chamber aperture create a path through which air enters the inhale entry, passes through the filter, and exits through the inhale chamber aperture. | 03-12-2009 |
20090065007 | OXYGEN CONCENTRATOR APPARATUS AND METHOD - In some embodiments, an oxygen concentrator may include lightweight injection molded housing components coupled to dual-pump diaphragm compressors. The oxygen concentrator may be coupled to a pressure transducer that detects a user's inhalation. The detected inhalation may signal the release of a bolus of oxygen. The sensitivity of the pressure transducer readings may be adjusted based on a detected environment. The user's breathing rate may also be determined to control the number of compressors used for increased efficiency. An ultrasonic sensor and gas flow rate meter may be used to determine an amount of oxygen being delivered to the user. Other components such as step valves and a solar panel may also be used to further conserve battery power. The oxygen concentrator may also incorporate an audio device such as a mobile phone. | 03-12-2009 |
20090078260 | EXPIRATORY LIMB FOR A BREATHING CIRCUIT - A breathing circuit component includes an inlet, an outlet and an enclosing wall. The enclosing wall defines a gases passageway between the inlet and the outlet. At least a region of the enclosing wall is formed from a breathable material that allows the passage of water vapour without allowing the passage of liquid water or respiratory gases. The breathing circuit component is the expiratory limb of a breathing circuit. | 03-26-2009 |
20090133699 | ORAL NASAL CANNULA - Disclosed is a respiratory cannula assembly to deliver and receive gases from a patient. The cannula assembly contains two oral prongs for delivering and receiving gases from the patient as well as at least one gas delivery nasal prong and at least one gas receiving nasal prong. The gas receiving nasal prong extends further into the patients nostril than the gas delivery nasal prong. The cannula assembly further contains a connector that aids in coupling to a medical device, the connector including independent oral and nasal moisture traps that remove moisture from exhaled patient gases. | 05-28-2009 |
20090205665 | METHODS AND DEVICES FOR FOLLOW-UP CARE AND TREATMENT OF A PNEUMOSTOMA - A pneumostoma assessment and treatment system includes methods and devices for aftercare of a pneumostoma and for additional patient care utilizing a pneumostoma. The system utilizes a number of modalities to assess the health and functionality of the pneumostoma, the lungs and/or the patient as a whole. In response to an assessment of the health and functionality of the pneumostoma, lungs and patient, the tissues of pneumostoma may be treated with a treatment device and utilizing one or more different modalities to preserve or enhance the health and function of the pneumostoma and/or treat other conditions of the patient. | 08-20-2009 |
20090277450 | Nontoxic antimicrobial filters containing triclosan - The present invention comprises nontoxic, environmentally friendly triclosan-containing antimicrobial filters composed of two layers, a filtering layer and a backing layer used to trap any triclosan released from the filtering layer. The filter media can be used in various applications including filter closures for facemasks. | 11-12-2009 |
20090293879 | Device and Method for Producing Oxygen - The invention relates to a medical device for producing oxygen, wherein the device comprises means for providing first conditions, and means for changing said first conditions to second conditions, the device being configured to during a charging phase extract oxygen from air by, under said first conditions, bringing said air (A) into contact with an agent (SfF) constituted by a reversibly oxygen-fixating agent, i.e. an oxygen selective material, such that the oxygen of the air is adsorbed by said agent, and to remove nitrogen under said first conditions, and configured to during a discharging phase release the oxygen from the agent by means of changing said first conditions to said second conditions. The invention also relates to a method for producing oxygen for individual medical purposes. | 12-03-2009 |
20100000540 | DEVICE FOR EXTRACTING PARTICLES FROM EXHALED BREATH - Device for extracting particles from exhaled breath, comprising a cooling system ( | 01-07-2010 |
20100031961 | Retention of Noble Gases in The Exhaled Air of Ventilated Patients By Membrane Separation - The processing of gas mixtures, in particular, of respiration gases for ventilated patients. The processing according to the invention relates, in particular, to the use of selective gas separation membranes for the retention of noble gases in the exhaled air of ventilated patients. The gas separation membrane is an active separator which is integrated in a ventilator. The separation membrane separates the noble gases from the remainder of the residual of the exhaled air by selectively retaining the noble gases. Thus, it is possible to provide a ventilator which enables the application of noble gases, in particular xenon, as an anesthetic preferably with low loss and as simple as possible. | 02-11-2010 |
20100059060 | SMALL SIZE BREATHING PROTECTIVE DEVICE ARRANGED TO BE HELD IN THE USERS MOUTH. - A breathing protective device comprising a tubular elongated filter housing defining at least one wall between a first end and a second end, said wall having at least one opening, a filter in the filter house and a mouthpiece having an air canal with an opening arranged to be introduced into and held in the user's mouth whereby said filter house extends parallel to a line between the corners of the user's mouth, said air canal being in communication with at least one space within said housing for filtered inhalation air and exhalation air respectively, and wherein either the filter or the filter with the housing is disposable, wherein said filter is arranged to separate a first space from a second space and in that said air canal is arranged to enable supply of inhalation air from said first space via said filter and to enable exhalation air to escape via said opening from said second space. | 03-11-2010 |
20100071698 | OXYGEN CONCENTRATOR - The present invention relates to an oxygen concentrator in which a pulsation detection device for detecting pulsation of oxygen supplied and a control device for controlling an amount of air supplied from a compressor based on the detection results in a pressure swing adsorption-type oxygen concentrator, which is equipped with an adsorption bed filled with an adsorbent capable of selectively adsorbing nitrogen relative to oxygen, the compressor for supplying air to the adsorption bed, a channel switching valve to repeat in a constant timing an adsorption step, in which air is supplied from the compressor to the adsorption bed to isolate concentrated oxygen and a desorption step, in which the adsorption bed is evacuated to regenerate the adsorbent and a flow rate measuring device for determining a supply flow rate of concentrated oxygen produced and an amount of oxygen produced is controlled by a feedback with a flow rate sensor by itself after paying attention to variation of a product flow rate caused by suppressing an amount of oxygen produced, thereby realizing an apparatus to satisfy secondary performance such as miniaturization, low power consumption and silencing. | 03-25-2010 |
20100122702 | DEVICE FOR SEPARATING CONDENSATE FROM A COAXIAL BREATHING GAS LINE - A condensate separator is provided for a coaxial tube system, which has an inner gas duct ( | 05-20-2010 |
20100154797 | RESPIRATORY SECRETION RENTENTION DEVICE, SYSTEM AND METHOD - A novel and non-obvious apparatus, system, and method for managing respiratory secretions and fluids in sections of artificial airways. In an embodiment of the invention, a respiratory secretion retention (RSR) device configured to fluidly connect to an artificial airway can be provided. The respiratory secretion retention (RSR) device can include a housing that defines a passageway for the flow of respiratory gases, a chamber defined by the housing with a portion of the chamber configured to retain exhaled respiratory particulate and liquid, a patient side port coupled with the housing, which is in fluid communication with an artificial airway and at least one access port coupled with the housing were the at least one access port includes a control valve. In an aspect of this embodiment, the housing further can include an instillation port. | 06-24-2010 |
20100229870 | Protective headgear system with filter protector - This invention is directed to a protective headgear system which includes a relatively light weight, substantially rigid, headgear structure which may include an internal, adjustable headband. The system includes at least one filter which is attachable to the headgear structure to cover the structure. A fan mechanism is mounted on the headgear structure to draw air into the headgear structure through the filter means. A power supply selectively powers the fan. A facial shield is attachable to the headgear structure to cover the face of the wearer to maintain non-contaminating conditions relative to the wearer. A flexible cuff or hood is attachable to the facial shield to enclose the lower opening of the lens and provides protection for the wearer through which air can be exhausted. | 09-16-2010 |
20100258129 | WATER TRAP FOR A BREATHING TUBE - A water trap ( | 10-14-2010 |
20100269830 | Fluid Removing Apparatus for Respiratory Tract - A medical apparatus for removing fluid accumulated along a respiratory tract of a patient, and particularly around an endotracheal tube, is disclosed. The disclosed apparatus may include a tube defining a lumen extending between a distal fluid port and a proximal fluid port, wherein the tube forms a self-supported, three-dimensional structure. The three-dimensional structure may include a distal coil adapted to be slidably and rotatably mounted on the exterior surface of the endotracheal tube. The three-dimensional structure may also include a proximal coil. | 10-28-2010 |
20100275922 | SORPTION AGENT COMPRISING AN ACTIVATED CARBON IMPREGNATED WITH A ZINC COMPOUND AND A MOLYBDENUM COMPOUND AND GAS-FILTERING ELEMENT CONTAINING THE SORPTION AGENT - A sorption agent comprising activated carbon and an impregnation of the activated carbon for the sorption of air pollutants, wherein the impregnation contains a zinc compound and a molybdenum compound, as well as a gas-filtering element, such as a respirator canister, containing said sorption agent. | 11-04-2010 |
20110017216 | METHOD OF SEPARATING AND DISTRIBUTING OXYGEN - Disclosed is a method of providing oxygen rich gas. Oxygen is separated from ambient air with an oxygen separator in discrete pulses, one pulse at a time. The start of the pulse is synchronized with the beginning of an inhalation of a person. The oxygen rich gas in each pulse is separated from the ambient air in real time during a nitrogen adsorption step concurrent with each inhalation. | 01-27-2011 |
20110030689 | OXYGEN CONCENTRATOR APPARATUS AND METHOD HAVING AN ULTRASONIC DETECTOR - An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. Coupling an oxygen concentration sensor to the generated oxygen enriched gas stream may allow monitoring of the purity of the produced gas. | 02-10-2011 |
20110056496 | INTEGRATED BELT AND PLENUM POWERED AIR PURIFYING RESPIRATOR - A powered air purifying respirator (PAPR) assembly and kit therefore has an elongated hollow belt body having open first and second ends and multiple inlet openings along its length for mounting one or more filter canisters, one or more filter canisters for mounting in the inlet openings for supplying purified air to the interior of the belt body, a motor and driven fan assembly having a fan inlet in communication with each filter canister through the hollow belt body and a fan outlet; and a power source operably mounted to the belt body and connected to the motor. The PAPR assembly forms a portion of a belt or bandolier to be worn around the user's waist, back, or other location, and at least the belt body can be made of a flexible rubber material, such as a Butyl and Silicone blend, or any other suitable material to conform the PAPR belt to the user's body. | 03-10-2011 |
20110240028 | VACUUM DEMAND VALVE - The present invention relates to a vacuum demand valve | 10-06-2011 |
20110277767 | METAL ORGANIC FRAMEWORKS (MOFS) FOR AIR PURIFICATION - This disclosure relates to porous frameworks for gas separation and sensing. | 11-17-2011 |
20110284006 | FILTER CARTRIDGE HAVING CENTRAL PLENUM AND HOUSING SIDEWALL - A filter cartridge | 11-24-2011 |
20120042877 | AIR PURIFIER AIR OUTLET STRUCTURE - An air purifier air outlet structure includes one or a number of air outlets located on the housing of an air purifier adjacent to the air output port of the air purifier, a shutting device fastened to the housing of the air purifier to block the air output port for enabling purified air to pass out of the air purifier through the air outlet and a breathing tube having its one end connected to the air outlet(s) and its other end terminating in a respiratory device for enabling a user to breathe in purified air from the air purifier through the breathing tube so that the air purifier can be used in an office, house, car, factory, hospital or any other place as a personal air purifier to provide purified air for breathing by the user. | 02-23-2012 |
20120055483 | SHUTDOWN SYSTEM AND METHOD FOR AN OXYGEN CONCENTRATOR - Described herein are various embodiments of an oxygen concentrator system. In some embodiments, an oxygen concentrator system may be shutdown such that the canisters are pressurized to a pressure greater than ambient pressure. | 03-08-2012 |
20120167889 | GAS MASK FILTER CANISTER - A filter for a gas mask has a concave outlet wall and a convex inlet wall with a particulate filter bed that has a uniform depth and conforms substantially to the shape of the inlet and outlet wall. The side wall can have an elliptical, circular or convex shape to conform to the curvature of the wearer's face, or a planar shape. The filter an be a double particulate filter element and a double adsorption filter element configured for axial airflow therethrough with a bifurcated flow pattern. The adsorption filter element comprises a granulated charcoal, a composite material having carbon particles combined with binder particles, or an immobilized bed of charcoal granules and EVA-coated fibers. | 07-05-2012 |
20120247473 | APPARATUS FOR ASPIRATING THE SPUTUM IN TRACHEOTOMY PATIENTS AND INNER CANNULA FOR A TRACHEAL CANNULA - In order to make automatic suctioning of sputum in tracheotomy patients possible, the suctioning device includes a tracheal cannula having an external cannula and an internal cannula guided therein. The internal cannula is formed with suction openings for internal suctioning and is spaced apart from the external cannula to form a suction chamber. The suction chamber is connected to a suction connection, by way of which a suction apparatus can be connected. As an alternative, or in addition, the external cannula has additional suction openings for external suction in the region of a cuff. In this way, automated suctioning of sputum in patients, in particular in a gentle manner, is made possible. | 10-04-2012 |
20120266888 | AUTOMATIC WATER REMOVAL DEVICE AND METHOD - A device and method is provided for automatically removing water or accumulated moisture from a breathing circuit. The device includes a housing with breathing circuit flow entry and exit ports and a water drainage port. A buoyant body in the housing can mate with a float valve seat to seal the drainage port, and is moveable to open the drainage port when sufficient liquid accumulates in the interior space. The buoyant body displaces a substantial portion of the housing inner compressible volume. Water is automatically removed by a water vapor permeable container coupled to the housing receiving flow from the drainage port, or the device is coupled to a source of suction, further including at least one bleed port fluidly coupling the source of suction to the surroundings, acting with a valve element to equalize any pressure differential between the housing interior space and suction connection, when no water is accumulated in the device. | 10-25-2012 |
20120266889 | Breathing Air Production and Distribution System - A breathing air production and filtration system has an air generation assembly and a distribution assembly. The generation assembly has a compressor and filtration components to generate breathing air. The distribution assembly has collection pots with multiple connections for manifolds. For their part, the manifolds have multiple connectors for the respirators of end users. The system uses a monitoring control system with various wireless sensors to monitor operation of the system and the quality of breathing air produced. These sensors include an in-line sensor detecting constituents or contaminants in the breathing air. The sensors also include pressure, temperature, and flow sensors monitoring the operation of the system. An automatic switchover is provided for switching the system to a back-up supply of high-pressure reserve air if needed. | 10-25-2012 |
20120272966 | OXYGEN ENRICHMENT DEVICE - Disclosed is an oxygen enrichment that can follow changes in adsorption performance in response to changes in the temperature of the usage environment and can reduce power consumption. The oxygen enrichment device has a purge step control means that controls a purge step time to increase/decrease the length of a purge step so as to maximize the oxygen concentration by changing opening/closing timing of a flow-channel switching means while the oxygen enrichment device is running. | 11-01-2012 |
20120279503 | Breathing Apparatus With Ultraviolet Light Emitting Diode - A breathing apparatus according to embodiments of the invention includes a facemask portion sized to cover a lower portion of a wearer's face. The facemask portion includes a flow chamber defined by a support layer and a cover. The flow chamber has a first opening disposed near a first end of the flow chamber and a second opening disposed near a second end of the flow chamber. At least one light emitting diode configured to emit light having a peak wavelength in the ultraviolet range is disposed between the first opening and the second opening in the flow chamber. | 11-08-2012 |
20130087150 | SYSTEM AND METHOD OF CALIBRATION IN A POWERED AIR PURIFYING RESPIRATOR - A self-calibrating powered air purifying respirator (PAPR). The PAPR comprises an electric motor mechanically coupled to a blower; an air flow sensor, and a controller coupled to the air flow sensor and to the electric motor. The controller is configured to automatically execute a one-time self-calibration by driving the electric motor to a predefined operation point, receiving an indication from the air flow sensor, determining a reference parameter based on the indication from the air flow sensor, and storing the reference parameter, wherein after completion of the one-time self-calibration the controller controls the electric motor based on the stored reference parameter. | 04-11-2013 |
20130133663 | Respiratory Device Filter - A respiratory device filter ( | 05-30-2013 |
20130192602 | ARTIFICIAL NOSE COMPRISING A SPEECH VALVE - A device for inserting into a tracheostoma prosthesis or a thracheostoma plaster comprises a cylindrical housing and a cylindrical valve element, the housing is provided with a first opening for the connection to the stoma of the patient and with at least one second opening on the opposite side, and the valve element in the second opening of the housing is provided to close the second opening . The valve element is configured so that it can be closed manually by means of a finger and can he opened by elastic return, and the housing surrounds the valve element and the valve element receives a moisture and heat exchanging filter. A cylindrical spring element is arranged between the housing and the valve element. | 08-01-2013 |
20130220330 | APPARATUS, SYSTEMS AND METHOD FOR COLLECTING AND RECLAIMING ANAESTHETIC AGENTS AND FOR REMOVING NITROUS OXIDE FROM EXHAUST GASES - A system for collecting an anaesthetic agent, having at least one anaesthetic gas scavenging system (AGSS) for receiving exhaust gas from a plurality of sources, the exhaust gas including the anaesthetic agent to be collected, each AGSS comprising at least one power source for providing suction of the exhaust gas from the plurality of sources under negative pressure, and a central collection system for receiving the exhaust gas, the central collection system comprising at least one collector for collecting the anaesthetic agent from the exhaust gas, wherein the at least one collector is configured to adsorb the anaesthetic agent from the exhaust gas. The central collection system may be configured to received the exhaust gases from the at least one AGSS, with the central collection system being located downstream of the at least one AGSS. | 08-29-2013 |
20130233318 | COMPONENT FOR CONVEYING GASES - This invention provides for a component forming a part of a breathing tube, or forming the breathing tube, for example as a part of a breathing circuit for respiratory therapy. The component comprising a tubular body having a foamed wall. The foamed wall can be formed from extrusion of a single extrudate. The foamed wall is of a sufficient minimum optical transparency such that, in use, there is enabled the visual detection of a liquid (or condensate that may have formed) within the tubular body. | 09-12-2013 |
20130233319 | EXHALATION VALVE ASSEMBLY WITH INTEGRAL FLOW SENSOR - An exhalation valve assembly that controls the pressure of exhaled gas in a ventilation system is described. The exhalation valve assembly includes an actuator module that may be fixed to the ventilation system and a valve module, removable for cleaning or disposal, through which the exhaled gas flows and that controls the pressure and release of the exhaled as to the environment. Other components may also be incorporated into the assembly Including a filter module, a flow meter and a condensate trap. | 09-12-2013 |
20130312759 | AIRTIGHT SUCTION DEVICE WITH AIR SUPPLY FUNCTION AND ROTARY SWITCH THEREOF - In an airtight suction device and a rotary switch thereof, the airtight suction device includes a main body having a communication space and a plurality of connectors. These connectors include a suction connector, a respiratory connector, a cleaning connector, and a control valve connector. The rotary switch is provided on the control valve connector and includes a rotary cover and a hollow post. The hollow post has a peripheral wall and a blocking piece. The peripheral wall is provided with a pair of suction holes. The blocking piece is provided with a ventilation hole for allowing external air to flow into the suction holes. | 11-28-2013 |
20130327335 | AIR CLEANING APPARATUS AND METHOD FOR PREDICTING BREAKTHROUGH TIME FOR THE SAME - An air cleaning apparatus capable of predicting a breakthrough time of a filtering portion is provided. Regarding a mask | 12-12-2013 |
20140014112 | APPARATUS AND METHODS FOR REDUCING FOAMING DURING SALIVA COLLECTION - A saliva collector comprises a reservoir, a bubble barrier, and a membrane, where the bubble barrier and membrane are arranged in tandem on a flow path from an inlet to an outlet on the reservoir. Air aspirated from a patient's oral cavity enters the reservoir through the inlet, passes through the bubble barrier to remove foam and bubbles, passes through the membrane to remove entrained liquid saliva, and passes out through the outlet. | 01-16-2014 |
20150013680 | EXHALED VAPOR COLLECTION DEVICE - A collection device for exhaled vapor is provided. The exhaled vapor collection device collects a wearer's exhalant to provide for later hydration. In at least one embodiment, the collection device for exhaled vapor includes a facial mask; a one-way intake valve disposed within the facial mask and configured to allow the one-way intake of air into the facial mask; an exit port disposed within the facial mask and configured to allow the one-way exit of air out from the facial mask; a proximal condensation tube fluidly coupled to the exit port of the facial mask, an interior surface upon which exhaled vapor collects; and a collection bag tube fluidly coupled to the condensation tube to collect a wearer's exhalant. The exhaled vapor collection device is configured to collect a wearer's exhalant in the collection bag to provide for later hydration. | 01-15-2015 |
20150040910 | FACE MASK SEAL FOR USE WITH RESPIRATOR DEVICES AND SURGICAL FACEMASKS, HAVING AN ANATOMICALLY DEFINED GEOMETRY CONFORMING TO CRITICAL FIT ZONES OF HUMAN FACIAL ANATOMY, AND CAPABLE OF BEING ACTIVELY CUSTOM FITTED TO THE USER'S FACE - The present disclosure is a face seal (FS) device for filtering face piece respirators (FFR) of all types, that corrects inner face seal leakage (FSIL) of particulate material that occurs due to well documented failures in FS designs of the prior art. The present disclosure differs from those of the prior art in having compensatory accentuations at locations along the entire 360 deg. FS inner perimeter that are based on specific details of facial human anatomy which are known to be sites of FSIL. The FS is also constructed of a heat activated thermoplastic copolymer that enables the device to be custom fitted to the user's face. Experimental data, confirmed with workplace protective factor (WPF) studies, show a 60-240 fold improved performance over FS designs of the prior art. | 02-12-2015 |
20150367151 | FACE MASK SEAL FOR USE WITH RESPIRATOR DEVICES AND SURGICAL FACEMASKS, HAVING AN ANATOMICALLY DEFINED GEOMETRY CONFORMING TO CRITICAL FIT ZONES OF HUMAN FACIAL ANATOMY, AND CAPABLE OF BEING ACTIVELY CUSTOM FITTED TO THE USER'S FACE - The present disclosure is a face seal (FS) device for filtering face piece respirators (FFR) of all types, that corrects inner face seal leakage (FSIL) of particulate material that occurs due to well documented failures in FS designs of the prior art. The present disclosure differs from those of the prior art in having compensatory accentuations at locations along the entire 360 deg. FS inner perimeter that are based on specific details of facial human anatomy which are known to be sites of FSIL. The FS is also constructed of a heat activated thermoplastic copolymer that enables the device to be custom fitted to the user's face. Experimental data, confirmed with workplace protective factor (WPF) studies, show a 60-240 fold improved performance over FS designs of the prior art. | 12-24-2015 |
20160059049 | Respirator Filter Interface - A respiratory inlet having a mask end and a fitting end is provided. The respiratory inlet also includes a cavity and an exterior mating surface. The exterior mating surface is disposed proximate the fitting end, and is configured to matingly accept a first type of air supply fitting. The first type of air supply fitting is configured as a female fitting, and the respiratory inlet is configured to operate in a first mode when the female fitting is mated to the exterior mating surface. The cavity includes an opening oriented toward the fitting end, and an interior mating surface configured to matingly accept a second type of air supply fitting. The second type of air supply fitting is configured as a male fitting, and the respiratory inlet is configured to operate in a second mode when the male fitting is mated to the interior mating surface. | 03-03-2016 |
20160114195 | BLOWER FILTER SYSTEM - A blower filter system ( | 04-28-2016 |
20160199675 | Personal Respiratory Protection Device | 07-14-2016 |
20160199676 | Personal Respiratory Protection Device | 07-14-2016 |
20160199677 | EMERGENCY ESCAPE BREATHING SYSTEM | 07-14-2016 |