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Patent Searching and Data


Matches 451 - 500 out of 3,096

Document Document Title
WO/2017/147109A1
Methods and systems to provide breathing air to underwater divers in response to the divers' respiration at pressures less than 25 psi above atmospheric pressure during inspiration while delivering no or minimal air during exhalation, by...  
WO/2017/136336A1
Systems and methods for respiratory health management are provided. An air filtration and analysis system may comprise an apparatus configured to be worn by a user. The apparatus may comprise a filtration device. The system may also incl...  
WO/2017/135495A1
Disclosed is a portable oxygen mask. The portable oxygen mask according to one embodiment of the present invention comprises: a mask main-body configured to cover a nose and a mouth in order to isolate the nose and mouth from the outside...  
WO/2017/128501A1
A wearable three-chamber negative oxygen ion breathing apparatus comprises a breathing chamber (1), an air inlet device disposed on one side of the breathing chamber (1) and an air outlet chamber (2) disposed on the other side of the bre...  
WO/2017/127823A1
Modular ventilatory support systems and methods are disclosed in which a user may transition the system between a stationary configuration, an extended range configuration, and a stand-alone configuration. The modular components of the s...  
WO/2017/120992A1
The present utility model discloses headphones having an air purifying function. The headphones having an air purifying function comprise a microphone, ear pieces, a headphone control cable, and a headphone fixing frame. The headphones f...  
WO/2017/119957A1
A portable chilled air respirator device is used to treat air. Ambient air is drawn into an inlet of the device. The air is passed through a filter to filter the air. The air is cooled and dehydrated, such as by being passed over a react...  
WO/2017/112750A1
Conventional gas mask seals or gaskets are merely rubber flaps integral to and extending from the main body or shell of a gas mask that are conformed to the face of a wearer by tightening straps. The described gas masks comprise a separa...  
WO/2017/107950A1
A double-layer direct-discharging respirator comprises a gauze filtering layer (1), a direct-discharging inner layer (2), a normally closed exhaust air exhalation check valve (3), normally closed fresh air inhalation check valves (4), re...  
WO/2017/109777A1
The present disclosure relates to a capsule for the generation of oxygen, typically a disposable capsule. The generation of oxygen is by a chemical reaction of a reactant with water. The capsule is configured to be coupled with an applia...  
WO/2017/103246A1
To further improve a portable individual air purification system comprising a portable individual air purification apparatus, having a housing which can be carried by a user, having an air filter device for filtering ambient air, having ...  
WO/2017/087353A1
A cartridge holder for a respirator, the cartridge holder including a fit-check device with a sealing platen that can be actuated between a first, unsealed position and a second, sealed position in which at least a portion of the sealing...  
WO/2017/083289A1
Various embodiments of a respirator and a method of forming a respirator are disclosed. The respirator can include a mask body having an upper panel, a lower panel, and a central panel disposed between the upper and lower panels. The mas...  
WO/2017/079967A1
An inhalation valve for use with an emergency escape breathing device (EEBD) is provided. The EEBDs may be used in emergency situations to protect a user from smoke, chemicals, particles, or other hazardous elements in the air, and provi...  
WO/2017/074954A1
A system which protects the user from electromagnetic radiation, in particular the eyes, face and/or head from UV radiation and/or excessive light as required, while also protecting from thrown particles, projectiles or fluids from strik...  
WO/2017/070879A1
Disclosed is a personal air filter device worn over the nostrils, comprising a filter housing (1), a control unit (2) and a filtering unit (3), wherein the filter housing (1) is hollow inside to form an accommodation cavity (111), and is...  
WO/2017/074329A1
Embodiments relate generally to systems and methods for providing a mask that is held by the user's mouth, wherein the mask provides filtered breathing air when a protective suit is donned and/or doffed by the user. A method may comprise...  
WO/2017/075553A1
A self-rescuer device (100, 200, 300, 400, 500, 600) comprises an intake pump (102, 202, 302, 402) that creates a gas stream. The gas stream enters a first sieve (110, 210, 310, 410, 510) that separates carbon dioxide, carbon monoxide, a...  
WO/2017/070696A1
A filter device includes a distal housing comprising a distal inner port and a distal outer port; a proximal housing comprising a proximal inner port and a proximal outer port, the proximal housing being sealingly affixed to the distal h...  
WO/2017/070455A1
A respirator including an oronasal mask. The oronasal mask has a first portion configured to cover a user's mouth and a second portion configured to cover a user's nose. The second portion includes an eyewear interface. The eyewear inter...  
WO/2017/064393A1
The invention relates to a respiratory protection hood which comprises a sealed flexible shell (2) including a pressurised oxygen vessel (3) provided with a calibrated output opening (7) leading into the inside space of the flexible shel...  
WO/2017/065620A1
A mask or shield comprising a flow of positive pressure air directed through substantially opposing jets that creates a stream of laminar flow filtered air to create a turbulent air pocket therein for supplying filtered breathing air to ...  
WO/2017/062474A1
Improved personal protective equipment facial wear including, in one embodiment, an at least partly adhesive mask, and one or more adhesive eye shields. In one implementation, the mask avoids significant contact with the delicate periorb...  
WO/2017/058216A1
An air filtration assembly includes an inlet, an outlet, and an air moving subassembly to pull in outside air and move that air through modularized air treating subassemblies inside the air filtration assembly. The air moving subassembly...  
WO/2017/055764A1
Assembly (4) intended in particular to be arranged in an aircraft cockpit (2) having a pressurised cabin, in order to supply a respiratory gas to a crew member, said assembly (4) comprising a respiratory mask (5) having an oronasal face ...  
WO/2017/047965A1
The present invention relates to an emergency respiration device characterized by comprising a respiration bag having a space formed therein so as to be connected to the user's mouth, the respiration bag separating O2 and CO2 from each o...  
WO/2017/042872A1
The present invention achieves an integrated life-saving system technology which can efficiently use the simple oxygen generating properties and high energy storage qualities of nitrous oxide (N2O) that is used, for example, as a tranqui...  
WO/2017/044582A1
An air delivery hose (10) has a CBRN resistant outer butyl rubber layer (12) convolute over a metal wire reinforced thermoplastic polyurethane inner hose (14). A combination unit respirator (20) has an air delivery hose (10, 10') with a ...  
WO/2017/021470A1
The invention relates to a cartridge (10) for a breathing mask (100), comprising an adsorption filter section (12) arranged in a housing (40). The adsorption filter section (12) comprises a carrier medium (14) and an activated carbon lay...  
WO/2017/008664A1
A pressure regulator assembly (100) for an SCBA including a valve assembly (102) having a piston (34), a cylinder (36) configured to receive the piston (34), a sealing member (35) configured for engagement by the piston (34), a conduit (...  
WO/2017/003770A1
An aircraft inflatable harness assembly for an aircraft oxygen crew mask for providing regulated flow of oxygen on board an aircraft for an aircraft crew. The aircraft inflatable harness includes at least one inner inflatable tube having...  
WO/2017/004313A1
A filter cartridge having a filter media with two opposing ends each being occluded by an adhesive edge seal.  
WO/2016/209925A1
A wearable oxygen concentrator can be used in both an ambulatory mode and a stationary mode. The wearable oxygen concentrator is physically connected to a docking station in the stationary mode such that it can draw power from the dockin...  
WO/2016/185201A1
An oxygen system and mask (9) for use in parachuting are described. The system supplies either 100% oxygen to a demand valve (6) in the mask (9) or pulsed delivery of oxygen to the mask (9). Switching is achieved automatically during a d...  
WO/2016/182604A1
Anxiety attacks can often be limited or eliminated by reducing the concentration of inhaled carbon dioxide. Disclosed is a handheld device for reducing the carbon dioxide concentration of inhaled air by using stacked sheets having rows o...  
WO/2016/181144A1
An exhalation valve assembly for a wearable protective device, said assembly comprising a valve support for receiving a valve member, in use, a valve cover (4) and a releasable mounting mechanism for releasably mounting said valve cover ...  
WO/2016/174355A1
A protective system (100) for an aeroplane pilot, comprising: - a breathing mask (60) designed to supply the pilot with a respiratory gas, wherein said breathing mask (60) comprises an oxygen feed duct (62) intended to be connected to an...  
WO/2016/172086A1
An improved safety device for a self-contained breathing apparatus, and an improved self-contained breathing apparatus having thermal imaging capabilities.  
WO/2016/168152A1
The charged filter is provided with a first layer and a second layer. The first layer is provided with a base and a plurality of solid protrusions that extends from a surface of the base and is adjacent to the second layer, the protrusio...  
WO/2016/167556A1
The present invention relates to a device for preventing death from suffocation. In connection with the configuration, the present invention is characterized by comprising: a fire sensing sensor (6) installed indoors; a compressor (2) in...  
WO/2016/164880A1
An air compressor assembly for filling self-contained breathing apparatus air containers has at least one condensate separator. The condensate separator includes a liquid-retaining vessel a liquid-level sensor. A drain valve is in fluid ...  
WO/2016/157159A1
A user-wearable device incorporates a respirator or breathing air filter in combination with an electronic system providing functionality to a wearing user. The functionality can include, for example, physiological data sensing, environm...  
WO/2016/154349A1
A ventilator with an integrated cough assist for use with a patient circuit in fluid communication with a patient connection of a patient, and operable in a ventilation mode and in a cough-assist mode. The ventilator includes a user inpu...  
WO/2016/149030A1
The disclosure provides oxygen generating compositions including sodium percarbonate, manganese dioxide, and trisodium phosphate dodecahydrate which generates high purity breathable oxygen. The disclosure further provides methods of gene...  
WO/2016/145090A1
A scent delivery assembly that includes a main body portion that defines an interior and includes at least one intake opening and at least one outlet opening, an airflow path that is defined between the intake opening and the outlet open...  
WO/2016/131434A1
The invention relates to a hygiene filter for a device for artificial respiration, having at least one filter for filtering microorganisms and/or solid particles from a respiratory air volume flow, and to a device for artificial respirat...  
WO/2016/127296A1
Various embodiments of a filtering face-piece respirator and a method of forming such respirator are disclosed. In one or more embodiments, the filtering face-piece respirator can include a mask body. The mask body can include an inner c...  
WO/2016/127395A1
A self-contained breathing apparatus (SCBA, 100) comprising a waist pad bumper system (200). The waist pad bumper system (200) may comprise a soft rubber gasket (220) located between the waist pad (204) and the backplate (202) of the SCB...  
WO/2016/124058A1
A gas mask and anti-particulates respirator, comprising: a mask main body (1), a breathing valve cap (2), an airtight gasket (3), a filter element (4), and a headgear assembly (5). The breathing valve cap (2) is disposed at a front porti...  
WO/2016/122716A1
Nasal cannula devices formed with through air-flow passages and circular membranes anchored centrally to retainers and operative upon inhaling by the patient to raise off the peripheral edges of respective seats for free flow of air into...  

Matches 451 - 500 out of 3,096