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Matches 1 - 50 out of 3,752

Document Document Title
WO/2021/091496A1
Methods and apparatus provide controlled operations in an oxygen concentrator (100) such as by adjusting valve opening time to regulate amount of oxygen enriched air released to a user. The apparatus may generate, with a sensor configure...  
WO/2021/089186A1
The invention relates to a respiratory air attachment (A) for ventilated protective clothing. The attachment (A) comprises a housing (G) and an attachment nipple (4) for connection to a respiratory air coupling (3) of a respiratory air h...  
WO/2021/086028A1
The present disclosure relates to a rebreathing apparatus having functions of formulating oxygen during inhalation and removing carbon dioxide during exhalation and, more specifically, to a rebreathing apparatus that enables rebreathing ...  
WO/2021/078415A1
The present invention discloses a respiratory protection face mask shell (12), comprising a layer structure (101) with at least three layers (102, 104, 112), an outer layer (102) and an inner layer (112), both provided in the form of a f...  
WO/2021/077056A1
A powered air purifying respirator (PAPR) device comprises an enclosure extending along a longitudinal axis between a first end of the enclosure and a second end of the enclosure. The enclosure defines an air inlet in fluid communication...  
WO/2021/070147A1
There is disclosed a full-face mask to be worn in combination with a protective helmet having a suspension harness. The mask comprises a receiving channel interfacing with the suspension harness to secure the connection between them whil...  
WO/2021/061983A1
A control system for an onboard oxygen generating system (OBOGS) includes a gain control communicatively coupled to an oxygen sensor configured to measure an oxygen concentration outputted from the OBOGS. The gain control selectively swi...  
WO/2021/048379A1
A system (10) for delivering breathing gas to passengers, the system comprising: - a face mask (30), the face mask (30) comprising a face part (20) having a breathing cavity (34), - a tube (4B) configured to be supplied by pressurized br...  
WO/2021/048721A1
According to one or more embodiments, a current limiting device is provided. The current limiting device includes a transformer including: a primary winding configured to accept an input current, a core electromagnetically coupled to the...  
WO/2021/043734A1
A carrier for carrying at least one compressed gas bottle of a breathing apparatus includes a carrier plate configured for removably receiving the at least one compressed gas bottle, and at least one filling element positioned in a space...  
WO/2021/042421A1
A nasal mask, comprising a sealing part (1), a support cavity (2), a filter core (7), a mask body (4), at least one check valve (5). The sealing part (1) comprises a first side for contacting the skin around a nose and a second side for ...  
WO/2021/038180A1
Aircraft headgear is disclosed for a passenger on an aeroplane. The headgear includes an outer fabric constructed of breathable material that can maintain an internal volume of air having a higher humidity than that of the surrounding en...  
WO/2021/023466A1
An arrangement (12) for a breathing apparatus (10), the arrangement (12) comprising a breathing device (18); a primary connection point (20); a secondary connection point (22); a primary side (14); a secondary side (16); a first valve (3...  
WO/2021/025492A1
Disclosed is a headgear-type device for hazardous air quality warning and air quality improvement, wherein the device can collect biometric information of a worker, wired and wireless communications, and information about the quality of ...  
WO/2020/261224A1
A head armature for a respiratory system includes a cradle and a retention mechanism. The cradle is configured to receive a respiratory mask assembly in a stand-by position. The retention mechanism is configured to detachably connect the...  
WO/2020/243838A1
A respiratory system comprises an oxygen supply, a vented respiratory mask, a hose coupled to the oxygen supply, and a connector apparatus joining the respiratory mask and the hose. The connector apparatus may comprise mask connector mem...  
WO/2020/245917A1
One embodiment of the present invention is an anti-G tolerance improving device provided with a valve control unit for controlling the operation of the following valves: a main valve for controlling, with respect to a main supply source ...  
WO/2020/243954A1
A dew point sensor system contains a controller (22) with a dew point calculator, an ambient temperature sensor (20), an air pathway (52), a heater plate (32), and an external wire (60). The ambient temperature sensor (20) generates ambi...  
WO/2020/242325A1
A dust-resistant mask equipped with a cooling thermocouple attached to its body. On the inside of the body, there may be a condensation system, grooves for collecting moisture, and a hole for drainage. The mask may have filters of a mech...  
WO/2020/240217A1
Air bottle for fire rescue is intended for breathing and saving people in smoky areas without breathable air and in smog polluted areas. Here presented air bottle for fire rescue comprises a valve and an actuator, wherein the valve is in...  
WO/2020/231614A1
A reusable respirator including a mask adapted for covering and conforming to the face around the nose and a mouth of a user, a strap configured to secure the mask to a face of the user, and a filter component. All components of the resp...  
WO/2020/229939A1
A respiratory mask and a face seal for a respiratory mask, the face seal being configured to maintain a seal against the user's face even when the user moves his/her jaws and/or cheeks. In one embodiment, a respiratory mask comprises a b...  
WO/2020/231256A1
The invention provides an apparel (1) for supporting victims of an avalanche, wherein the apparel (1) comprises an autonomous system configured to capture CO2 exhaled by an avalanche victim buried under snow, wherein the apparel (1) comp...  
WO/2020/229929A1
A breathing system hood assembly that fits over a user's head includes an air impermeable hood having an opening dimensioned to fit over the user's head and an elastically deformable neck seal arranged along at least a portion of the ope...  
WO/2020/227394A1
According to various embodiments, a sensing device for measuring oxygen concentration cycles in breath is disclosed. The sensing device includes a laser configured to emit light at an A-band of oxygen, a lens configured to collimate the ...  
WO/2020/222432A1
The present invention relates to an air curtain-type portable protective respirator and, more specifically, to an air curtain-type portable protective respirator for removing fine dust or pollutants from the air, and then supplying, as a...  
WO/2020/218649A1
An oxygen mask including a temperature adjusting module, according to the present invention, comprises: an embedded housing provided on the front side of a user's face; an oxygen supply unit provided in the embedded housing so as to supp...  
WO/2020/190159A3
A dust-resistant mask and an inhalation or nebulization device with a mask equipped with a container for a liquid for inhalation or nebulization, preferably connected to a flow channel with a flow narrowing and with a surface or elements...  
WO/2020/212768A1
A travel article (100), comprising a body (10), and also comprising at least one fixing structure (20, 60) arranged along the edge of the body (10). After the travel article (100) is removed from a packaging bag (200), under the action o...  
WO/2020/202110A1
A portable oxygen generating system is provided that comprises a reaction chamber, a feed system for providing and controlling hydrogen peroxide solution to the reaction chamber, and a cooling/condensing system for cooling the hot oxygen...  
WO/2020/168837A3
A hood-type air filtration respirator, consisting of a hat, a transparent face shield (3), a main unit (1) and an air tube (2). The hood-type air filtration respirator allows a user to breath filtered air, is comfortable to wear, and als...  
WO/2020/181382A1
A nasal mask comprises a panel of breathable filter material, the panel having a bottom edge and a top edge, a height between the bottom edge and the top edge being between approximately 40 and 80 mm. The panel is configured to cover a p...  
WO/2020/184993A1
The present invention relates to a personal air purifier wherein a device for purifying air is directly connected to a respiratory device worn on the user's face so as to enable the consumer to directly inhale purified air such that same...  
WO/2020/176360A1
A rapidly deployable protective facemask includes a resilient member that self-expands to a deployed configuration when the mask is removed from its container.  
WO/2020/173504A1
Provided are a breathing isolation mask and a breathing assistance system, the breathing isolation mask comprising an isolation mask body, a first gas non-return mechanism, a strap set and a first gas channel, the isolation mask body bei...  
WO/2020/176481A1
A respiratory filter and condensate management apparatus is provided for use in a breathing circuit during patient respiration. The apparatus includes a housing having an air inlet port for receiving a flow of respiratory air, and an air...  
WO/2020/174387A1
In some examples, a system includes a respirator configured to be worn by a user; a sensor operatively coupled to the respirator; and a computing device comprising a memory and one or more computer processors, the memory comprising instr...  
WO/2020/168837A2
A hood-type air filtration respirator, consisting of a hat, a transparent face shield, a main unit and an air tube. The hood-type air filtration respirator allows a user to breath filtered air, is comfortable to wear, and also prevents w...  
WO/2020/172464A1
Disclosed is a nasal pod assembly comprising a hollow shell comprising an opening at its top and bottom, wherein the interior of the shell contains a nasal filter pod comprising a porous continuous membrane disposed over a support struct...  
WO/2020/168217A1
A breathing apparatus configured to be worn on the face of a person is disclosed. The apparatus comprises a breathing manifold having an internal space with openings for a connection to the nasal passage and mouth of the user and opening...  
WO/2020/136360A3
The invention relates to the field of devices for diffusing purified air. In particular, the present application relates to a dynamic mask for diffusing purified air to a subject operating in an environment with polluted ambient air. The...  
WO/2020/162692A1
The present invention relates to an air supply mask device linked with abdominal breathing, capable of suctioning clean air by filtering external air at the same time as abdominal breathing, the device comprising: an air pumping means (1...  
WO/2020/136360A2
The invention relates to the field of devices for diffusing purified air. In particular, the present application relates to a dynamic mask for diffusing purified air to a subject operating in an environment with polluted ambient air. The...  
WO/2020/136631A1
A collective NBC filtration system (Fig.1A) for providing positive-pressure purified air to a plurality of subjects in a protected space, or in an environment which cannot be maintained at positive pressure, in conjunction with one or mo...  
WO/2020/131695A1
A bypass knob for a pressure regulator configured for use with a facemask of a breathing apparatus has a first member having a first engagement surface and a second member having a second engagement surface positioned opposite the first ...  
WO/2020/116994A1
The first objective of the present invention is to provide a wearable cooling device, and the second objective of the present invention is to provide a breathing device that is lighter, smaller in volume, and safer than a conventional br...  
WO/2020/117871A1
A manifold for a chemical oxygen generator (COG) includes a locating plate configured to interface with a COG and a plenum body rotatably attached to the locking plate. The plenum body has an inlet for receiving oxygen and at least one o...  
WO/2020/053786A3
Various embodiments of a filtering face-piece respirator and a method of forming such respirator are disclosed. The filtering face-piece respirator includes a mask body having a filtering structure and an attachment region disposed on th...  
WO/2020/111797A1
The present invention relates to a close-fitting face mask and provides a close-fitting face mask characterized by comprising: a main body part configured to surround the mouth and a portion of the nose of a wearer; an air injection part...  
WO/2020/111538A1
The present invention relates to a fixed spraying-type oxygen tank for fire evacuation and a fire evacuation hood using same. The present invention comprises: a portable oxygen tank; a lower case having a cup shape, the lower case being ...  

Matches 1 - 50 out of 3,752