Patents
Patents for A62B 9 - Component parts for respiratory or breathing apparatus (5,359)
06/1989
06/14/1989CN1004468B Valve for respirator
05/1989
05/30/1989US4834086 Pressure-regulating device for the second stage of reduction of an air breathing apparatus
05/23/1989US4832018 Filter case holder
05/23/1989US4832017 Breathing mask
05/17/1989CN1032905A 活塞式呼吸器 Piston respirator
04/1989
04/18/1989US4821767 Pressure regulator
04/18/1989US4821711 Protective breathing device
04/12/1989EP0310970A1 Device for replacing the filter of a gas mask in polluted atmosphere without any contamination risk
04/12/1989EP0310738A2 Valve particularly for automatic delivery devices for self-contained air breathing apparatuses
04/12/1989CN2035638U Sanitation nose cork
04/05/1989CN2035248U Nose-clip containing medicine
04/04/1989US4817597 Self-contained closed-circuit oxygen-generating breathing apparatus
03/1989
03/30/1989DE3830173A1 Reduction valve for respiratory apparatus in particular
03/28/1989US4815458 Protective breathing apparatus
03/23/1989WO1989002293A1 Breathing apparatus
03/15/1989EP0307314A1 Breathing mouthpiece
03/14/1989US4811732 Protective breathing apparatus having breathing air circulation
03/09/1989DE3829115A1 Breathing equipment
03/01/1989EP0304580A1 Balanced exhalation valve for use in a closed loop breathing system
02/1989
02/21/1989CA1250332A1 Connector
02/15/1989EP0303583A2 Regulator
02/15/1989CN2032476U Herb medicine gauze mask
02/08/1989EP0302090A1 Improvements in and relating to breathing apparatus.
01/1989
01/31/1989US4800923 Portable emergency breathing apparatus
01/17/1989US4798203 Portable emergency breathing apparatus
01/17/1989US4798202 Compressed-air breathing apparatus for underwater diving
01/10/1989US4796619 Lung-controlled valve for respirator masks having positive pressures inside the mask
01/03/1989US4794943 Fluid control valve assembly
01/03/1989US4794923 Portable emergency breathing apparatus
12/1988
12/28/1988CN88211397U Self-absorption filt health and dust-proof gauze mask
12/28/1988CA1247495A Breathing apparatus
12/27/1988US4793343 Respiratory heated face mask
12/27/1988US4793342 Emergency smoke hood and breathing mask
12/21/1988CN88202078U Flu mask with chinese medicinal herbs
12/07/1988CN88212185U Multi-functional gauze mask for anti-carsickness and seasickness
11/1988
11/30/1988CN88200487U Dust-proof respiratory mask
11/16/1988CN87104444A Respiratory mouth mask unit for protecting man's breath
11/02/1988CN88204135U Preventing infectious diseases gauze mask (worn over nose and mouth)
10/1988
10/19/1988EP0287461A1 Demand-responsive regulator for supplying breathing gas
10/04/1988US4774942 Balanced exhalation valve for use in a closed loop breathing system
09/1988
09/28/1988EP0284353A2 Unidirectional fluid valve
09/21/1988EP0282675A2 Flow control valve for a medical ventilator
09/20/1988US4771770 Moisture and heat exchange device for an oxygen self-contained breathing apparatus
09/15/1988DE3707386A1 Device for conditioning the air a diver inhales
09/07/1988WO1988006468A1 Respiratory protective device
08/1988
08/25/1988WO1988006047A1 Improvements in and relating to breathing apparatus
08/24/1988CN86207489U Sanitary kiss membrance
08/23/1988US4765326 Low-flow alarm system for powdered air-purifying respirator
08/03/1988EP0276676A2 Pressure-regulating device for the second stage of reduction of an air breathing apparatus
08/03/1988CN86107621B Lung controlled membrance valve
07/1988
07/20/1988EP0274963A1 Quickly opening membrane valve, especially for protective garments
07/06/1988CN87214083U Dust cover for breathing
07/05/1988US4754751 Escape respirator
06/1988
06/14/1988US4750485 Portable emergency breathing apparatus
05/1988
05/25/1988CN87206168U Non-wowen fabrics gauze mask
05/18/1988CN87209540U Protective gauge mask for safeguarding breath
05/17/1988US4744357 Portable emergency breathing apparatus
04/1988
04/26/1988US4739913 Backpack type carrier for portable oxygen dispensers
04/20/1988CN87214112U Air pumping self-save system and its equipment
04/13/1988EP0263677A2 Low pressure breathing regulators and breathing gas systems incorporating the same
04/12/1988CA1235040A1 Mask assembly
04/05/1988CA1234736A1 Exhalation valve
03/1988
03/16/1988EP0260021A2 Pilot operated valves
03/09/1988CN87207332U Mouthpiece easy to breath
02/1988
02/16/1988US4724833 Portable emergency breathing apparatus
02/10/1988CN86204976U Gauze mask for preventing cold
02/02/1988US4722333 Portable emergency breathing apparatus
01/1988
01/27/1988EP0254314A2 Self-contained closed-circuit oxygen-generating breathing apparatus
01/20/1988CN87208531U Frostproof mouth mask
01/19/1988US4719911 Air filter mask with mouth retention means
12/1987
12/29/1987US4715371 Lung-controlled diaphragm valve
12/22/1987US4714077 Replenishable self contained breathing apparatus
12/16/1987EP0249322A1 Pressure-responsive valve
12/16/1987EP0249124A2 Filter casing for respirator masks
10/1987
10/06/1987CA1227721A1 Unified filter and connector housing assembly incorporating a diversion valve
10/03/1987CN86205992U Gauze mask with flexible air-preheating casing pipe
09/1987
09/30/1987CN86207408U Gas defense and stink proof gauze mask
09/29/1987US4696687 Filters
09/29/1987US4696295 Breathing apparatus
09/23/1987EP0238129A1 Gas mask
09/15/1987US4693242 Coupling connectors for respirator masks
09/09/1987EP0236208A1 Breathing apparatus for compressed air for diving
09/09/1987EP0235688A1 Replenishable self contained breathing apparatus
09/02/1987EP0234277A2 Filter coupling unit for a breathing protection mask
08/1987
08/12/1987CN86206314U Dust gauze mask
08/11/1987US4685456 Self-retracting oxygen tubing
08/06/1987DE3602724A1 Warning device for breathing and diving apparatuses
08/05/1987CN86203821U Mask for prevention of common cold
08/05/1987CN86107621A Lung controlled membrane valve
07/1987
07/22/1987CN86206877U Isolation self-saving device with double medicine pot and double returning passage cycle
07/21/1987US4681135 To be associated with a source of pressurized first fluid
06/1987
06/30/1987US4676238 Second stage air regulator for underwater breathing
06/23/1987US4674492 Alarm system for respirator apparatus and method of use
06/09/1987US4671315 Portable brushfire hydrant
06/03/1987EP0223808A1 Protection hood against smokes and hypoxy.
06/02/1987US4669415 Alarm device for respirators
05/1987
05/27/1987CN86201877U Simple gas gauze mask
05/26/1987US4667670 Gas flow control valves
05/26/1987US4667669 Cycle respirator for pressure operation
05/26/1987US4667667 Protective helmet having nose passage closure elements
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