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Patent Searching and Data


Matches 351 - 400 out of 3,096

Document Document Title
WO/2019/191188A1
A respiratory mask includes a mask body having a face-engaging portion, and at least one retaining member connected to the mask body and including at least one engaging member for receiving and tethering a liner to the respiratory mask t...  
WO/2019/191012A1
A strong unsolved need exists to provide people with breathable gases for inhaling instead of ambient air, when people live in areas, where the ambient air is polluted with toxic gases and particulate matters. The present invention solve...  
WO/2019/161069A1
An oxygen mask container assembly that includes a container that defines a container interior and includes a container opening, an oxygen mask assembly disposed in the container interior, a mask ejector in operative communication with th...  
WO/2019/156928A1
The present invention provides a system which allows a hose apparatus to be used to deliver water and air to the user at all times, eliminating the need for users to rely on breathable gas supplied by tanks. The invention includes the us...  
WO/2019/152333A1
A chemical oxygen core for a chemical oxygen generator includes at least one layer of an oxygen-generating composition. In some examples, the at least one layer comprises includes a metal powder fuel, a transition metal oxide catalyst, a...  
WO/2019/145902A1
The invention relates to technical means of protecting respiratory organs, said means supporting human vital functions in an unbreathable atmosphere, and concerns a self-contained breathing apparatus having a closed breathing system usin...  
WO/2019/146823A1
The present invention relates to a multifunctional wearable air purifier comprising: a main body for withdrawing and purifying the outside air; a connection tube which has one end connected to the main body and through which the purified...  
WO/2019/146822A1
The present invention relates to a wearable air purifier comprising: a body which has a connection portion, symmetrically curved on both sides which are opposed about the center and having a predetermined length, and a constituent elemen...  
WO/2019/140719A1
A portable potential-balancing carbon-oxygen exchange-type spontaneous respirator, comprising a mask body (1), a filtration apparatus (2), and an oxygen supply apparatus (3). Provided on the mask body (1) are a sealing ring (11), a flexi...  
WO/2019/128429A1
Disclosed is a chemical oxygen self-rescue device, comprising a breathing assembly (1), an oxygen generation assembly (2) and a gas bag (3) sequentially communicated with each other, wherein the oxygen generation assembly comprises an ox...  
WO/2019/119054A1
Apparatus provide gas sensing operations such as for oxygen concentration sensing with an oxygen concentrator. In some versions, gas concentration sensing apparatus with pressure, temperature and/or mass flow sensors measure characterist...  
WO/2019/115162A1
The present invention relates to a pre-flush unit (10) for carrying out a pre-flush procedure in a breathing gas circuit (210) of a recirculating breathing protection apparatus (200), having a main body (20) with an inlet port (22) for t...  
WO/2019/115159A1
The present invention relates to a spring link (40) for a spring link breathing bag plate system (80) of a closed-circuit breathing apparatus (100), having a spring link carrier (42) for arrangement of at least one spring element (82) of...  
WO/2019/093906A1
The present invention relates to a device, method and system for improving the breathable air quality of the environment in the region of a specific part of a body, such as breathable air quality around the mouth and nose area of a perso...  
WO/2019/086773A1
A device for regulating breathing gas delivered to a user, comprising a gas circuit comprising a main line (2) having at least an upstream end intended to be connected to at least one gas source (6, 5) and a downstream end intended to be...  
WO/2019/086964A1
A respiratory equipment (90) for an aircraft, with a pilot forming a user (U), comprising a shoulder support (1), a base frame (2) with a deformable membrane (3) which comprises an adaptive size central orifice (OC), configured to select...  
WO/2019/081033A1
The invention relates to a portable individual air purification system comprising an air filter device for a portable individual air purification system for purifying ambient air and for dispensing purified air, said air filter device co...  
WO/2019/081034A1
The invention relates to a portable individual air purification system comprising a wearing article for covering the mouth and nose of a user, said wearing article being designed to be releasably connected to a portable individual air pu...  
WO/2019/071296A1
In one aspect of the present invention, there is provided a modular respirator comprising an elongate filter unit having a filter inlet, a filter outlet, and a replaceable fluid filter for filtering pollutants within the fluid. The elong...  
WO/2019/060947A1
A respirator system includes a respirator with an air filter, a flow generator with a sensorless DC motor, a mask, a processor, a sensor, an electric power source, and a wireless transceiver. The respirator filters air, increase the pres...  
WO/2019/063743A1
An air filtration assembly includes a filter portion formed from a suitable filtration media and a mounting portion disposed adjacent the filter portion. The mounting portion includes a series of first magnetic field emission structures ...  
WO/2019/054586A1
The present invention relates to a purifying mask for an infant, the mask blocking the inflow of outside air, which has a high fine dust concentration, into the respiratory organs of an infant and, simultaneously, providing psychological...  
WO/2019/049070A1
A snow burial survival mask has an exhaust tube connected to a headgear. An intake port of the exhaust tube is positioned adjacent to a breathing portion of the headgear in order to intake exhaled carbon dioxide (CO2)-rich air. An air pu...  
WO/2019/050844A1
A mechanism with unique identification features, such as color and alphanumeric markings, for back mounted self contained breathing apparatus (SCBA), which couples and uncouples from SCBA air cylinders in a linear fashion and covers at l...  
WO/2019/050082A1
The present invention relates to a mask having sunlight- and fine dust-blocking functions, comprising: a face glass which is worn on a face to be spaced forward from an area including a mouth and a nose and blocks sunlight; a spray part ...  
WO/2019/045400A1
The present invention relates to an air cylinder-mountable portable air supply apparatus having a monitoring function. The present invention comprises: a backpack in which an air cylinder is mounted; a main regulator for primarily decomp...  
WO/2019/043118A1
A breathing mask has an air heat exchanger for transferring heat from air exhaled from a mask chamber to air drawn in to the mask chamber. The air heat exchanger comprises a first set of air flow channels in series with the filter for pr...  
WO/2019/046686A1
A method of fit testing includes providing a respirator donned by a wearer, providing an aerosol generator with a known aerosol output parameter, providing an enclosure that is physically supported around the wearer's head, where the aer...  
WO/2019/045125A1
The oxygen mask according to the present invention comprises: a hood part for surrounding the head of a user inserted via an opening formed on one side; an oxygen supply part provided inside the hood part, for supplying oxygen for respir...  
WO/2019/043110A1
A breathing assistance mask has an air blower arrangement at least for drawing air from outside into the mask volume. The temperature and relative humidity is monitored inside the mask volume and from this a threshold temperature can be ...  
WO/2019/045401A2
The present invention relates to an air tank-mounted portable air supply device having a monitoring function. The present invention includes: a backpack to which an air tank is mounted; a main regulator for performing a primary decompres...  
WO/2019/041108A1
A multipurpose air purifier, comprising a frame (3). Temples (1) are provided on either side of the frame (3) by means of hinges (2); lenses (4) are provided on the frame (3); a bridge (5) is provided at the central position of the frame...  
WO/2019/038432A1
The invention provides a breathing assistance mask having a fan which comprises a brushless DC motor. A start-up circuit is provided for supplying a time varying drive voltage as the supply voltage for the stator electromagnet of the mot...  
WO/2019/025340A1
The invention provides a breathing assistance mask. A mask is provided that incorporates an air chamber, a filter, a fan arrangement, a sensor arrangement and a controller. The fan arrangement ventilates the mask. The sensor arrangement ...  
WO/2019/020503A1
The invention provides a mask which incorporates an air chamber, a filter, a fan arrangement, a sensor and a controller. The sensor detects a parameter relating to the temperature and/or relative humidity of air inhaled and exhaled over ...  
WO/2019/012043A1
The invention according to the present invention relates to a portable air treatment device (100). The device comprises: a casing (120) comprising a rigid support portion (122) and a soft portion (124), the soft portion being arranged at...  
WO/2019/008446A1
A respiratory equipment (90) for an aircraft, a pilot or first officer of the aircraft forming a user (U) of the respiratory equipment, the respiratory equipment comprising a head armature (1), configured to be worn on the user's head, a...  
WO/2018/223942A1
Disclosed are a respirator (200) and an automatic variable-light welding mask assembly (1) provided with the respirator (200). A housing of the respirator (200) comprises: an air filtering box, an air supply device (201) and a battery (2...  
WO/2018/222398A1
According to one aspect of the invention, a motor control system for driving a motor for a powered air purifying respirator (PAPR) is provided. The motor control system includes a control printed circuit board assembly (PCBA) including a...  
WO/2018/216998A1
The present invention relates to an emergency evacuation gas mask which has a triple wear structure including a silicone tube, a tightening end, and a binding band so that the mask can be quickly worn and has improved airtightness of an ...  
WO/2018/217002A1
The present invention relates to a helmet equipped with a backwashable membrane-integrated air breathing apparatus, which is designed to: have a structure in which a helmet has a built-in filter unit capable of filtering air, so that the...  
WO/2018/208802A1
A medical ventilator system configured for use by an individual at home, the ventilator system including: an oxygen source; an air flow generator; an oxygen supply control valve; a patient supply tube; a pressure sensor; one or more flow...  
WO/2018/188600A1
An air purification apparatus face mask, comprising: a mask shell, used for separating the environment in the vicinity of the nasal cavities of a user from the external environment; a rotatable connecting member, mounted on the mask shel...  
WO/2018/188598A1
An air purification apparatus face mask, comprising: a mask shell (21), rotatable connecting members (22) mounted on two sides of the mask shell (21), a gas passage (23) connected to the rotatable connecting members (22), and an air outl...  
WO/2018/191216A1
An onboard rebreathing loop system resident on an aircraft for providing oxygen to aircraft personnel includes a ceramic oxygen generating system (COGS) module configured to receive an inlet air and output a high purity oxygen (O2) gas i...  
WO/2018/182211A1
The present invention relates to an air purification method for survival in an atmosphere-blocked space, a method for producing purified air and fresh water using the same, and a system therefor. More particularly, the present invention ...  
WO/2018/164349A1
The present invention relates to an air purifying mask having a function of purifying exhaled air and, more particularly, the present invention enables a respiratory disease infection caused by the breathing of a carrier or suspected pat...  
WO/2018/158781A1
An improved nasal filter to remove particles below 10 µm in size has been fabricated by utilizing multilayered molecularly functionalized nanofibres. The nasal filter described here comprises of a substrate and two layers of surface fun...  
WO/2018/151958A1
An oxygen concentrator includes at least one extruded structural component. The extruded structural component is both a mounting for other components of the oxygen concentrator and at least part of an external surface of the oxygen conce...  
WO/2018/132245A1
Described herein are methods which involve minimizing or eliminating the occurrence of delayed negative effects that may arise from exposure to reduced oxygen partial pressure. An amount of supplemental oxygen, which substantially mimics...  

Matches 351 - 400 out of 3,096