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