Patents for A62B 7 - Respiratory apparatus (6,995)
10/1990
10/23/1990US4964404 Breathing apparatus
10/16/1990US4963327 Respirator masks; provide oxygen enriched filtered air
10/10/1990EP0391607A2 Molecular sieve-type gas separation systems
10/10/1990CN2063423U Gas veil generator attachable to head
10/02/1990US4960120 Breathing apparatus
10/02/1990US4960119 Aircraft aircrew life support systems
09/1990
09/26/1990CN2062622U Oxygen compensator for respirator
09/12/1990CN1045229A Smoke-proof lifesaving device in fire
09/11/1990US4955374 Closed cycle gas mask and breathing equipment for operation under pressure having a severance-operated connection shut-off for the breathing equipment
09/04/1990CA1273542A1 Small apparatus for dispensing oxygen
08/1990
08/29/1990CN2061061U Gas curtain type protective helmet
08/29/1990CN2061060U Concrete spraying machine pneumatic respirator
08/22/1990EP0383573A2 Aircraft aircrew auxiliary oxygen bottle
08/22/1990EP0383049A1 Respirator filter means for removal of tritiated water
08/21/1990CA1272935A1 Breathing apparatus
08/01/1990EP0223808B1 Protection hood against smokes and hypoxy
07/1990
07/31/1990US4944293 Timed oxygen breathing apparatus trainer
07/26/1990DE3901919A1 Kreislaufatemschutzgeraet Kreislaufatemschutzgeraet
07/25/1990EP0378664A1 Self-contained emergency respiratory apparatus.
07/03/1990US4938211 Breathing apparatus
06/1990
06/28/1990DE3842222A1 Mouthpiece valve for protective breathing equipment
06/26/1990US4936297 Device for the enrichment of respiratory air with oxygen
06/13/1990EP0372859A2 Breating system
05/1990
05/31/1990WO1990005564A1 Self-contained breathing apparatus
05/29/1990US4928685 Closed-circuit positive pressure breathing apparatus with pneumatically operated storage chamber
05/29/1990US4928682 Aircraft on-board oxygen generating systems
05/29/1990CA1269587A1 Valve assembly for a respirator
05/23/1990EP0368916A1 Respiratory mask.
05/22/1990US4926855 Respirator
05/16/1990CN2057108U Air-compressing respiration protecting installation for fire engine
05/03/1990DE3837139A1 Device for supplying closed spaces with breathing air
04/1990
04/24/1990US4919124 Aircraft aircrew life support systems
04/18/1990EP0364283A2 Apparatus for warning a pilot of life-support system failures
04/18/1990EP0363530A1 Respirator
04/17/1990US4917081 Portable emergency breathing apparatus
04/14/1990CA2000703A1 Apparatus for warning a pilot of life-support system failures
04/11/1990CN2055731U Portable oxygen replenisher
04/10/1990US4915106 Crew oxygen mask with pneumatic comfort adjustment
04/04/1990EP0361626A2 Dual compartment bag for use as an artificial lung
03/1990
03/21/1990CN1040508A Filter-type dustproof gas mask for self-breathing helmet
03/20/1990CA1266854A1 Bonded adsorbent structures and respirators incorporating same
03/08/1990WO1990002078A1 Simplified respirator
03/07/1990CN1040147A Multifunctional miniature dust-filtering gas protection device
03/06/1990US4905684 Fume protection device
02/1990
02/28/1990EP0356000A2 Breathing apparatus
02/28/1990CN1006958B Engine vehicle compressed air respiration protecitng system
02/20/1990US4901715 Apparatus and method for breathing through the soil-stack during a high-rise fire
02/06/1990US4898174 Automatic ventilator
01/1990
01/31/1990EP0352938A2 Breathing apparatus
01/25/1990WO1990000421A1 Self-contained emergency respiratory apparatus
01/17/1990CN2051116U Medical oxygen generator for emergency
01/03/1990EP0349349A2 Oxygen generator
12/1989
12/26/1989US4889113 Hood for protecting against smoke and hypoxia
12/19/1989US4887591 Midget life-saving respirator gas tank apparatus
11/1989
11/16/1989WO1989010771A1 Automatic ventilator
11/14/1989US4879998 Balanced exhalation valve for use in a closed loop breathing system
11/14/1989US4879996 Closed circuit breathing apparatus
11/09/1989DE3814070A1 Oxygen respiratory device, especially for use in mining operations
10/1989
10/24/1989EP0336936A4 Resuscitation device.
10/18/1989EP0336936A1 Resuscitation device.
10/18/1989CN2046022U Nose mask
10/11/1989EP0336518A2 Portable smoke and gas dispeller
10/11/1989CN2045653U Gas defence gauze mask branch filter case
10/04/1989CN2045311U Sanitary health nose mask
10/04/1989CN2045310U Postive pressure type mechanism for positive pressure breathing apparatus
09/1989
09/26/1989CA1260797A1 Yoke for a harness of a respirator
09/08/1989WO1989007961A1 Crew oxygen mask with pneumatic comfort adjustment
09/06/1989CN1035248A Oxygen candle of sodium chlorate
08/1989
08/24/1989DE3804538A1 Oxygen breathing apparatus for sports purposes
08/22/1989US4858606 Low pressure breathing regulators and breathing gas systems incorporating the same
07/1989
07/18/1989US4848330 Respirator system
07/04/1989US4844059 Method and apparatus for enriching respiratory gas with oxygen and delivering it to a patient
06/1989
06/28/1989CN1033506A Ventilation and breathe device with functions of lighting and communication
06/27/1989US4841953 Auxiliary supply system for a portable self-contained breathing apparatus
06/21/1989EP0321140A2 Aircraft aircrew life support systems
06/20/1989US4840171 Oxygen supply unit having an oxygen generator
06/20/1989US4840170 Self-rescuer apparatus
05/1989
05/09/1989US4827964 System for metering of breathing gas for accommodation of breathing demand
04/1989
04/25/1989US4823788 Demand oxygen controller and respiratory monitor
04/25/1989US4823786 Breathing equipment for providing protection against drowning, in particular for the driver of a motorized water vessel
04/19/1989EP0311968A2 Breathing apparatus
04/18/1989US4821712 Portable emergency breathing apparatus
04/18/1989US4821711 Protective breathing device
04/05/1989EP0309594A1 A method of generating oxygen gas for emergency use
04/04/1989US4817597 Self-contained closed-circuit oxygen-generating breathing apparatus
03/1989
03/28/1989US4815458 Protective breathing apparatus
03/14/1989US4811732 Protective breathing apparatus having breathing air circulation
03/14/1989CA1251117A1 Gas mask
03/09/1989DE3829115A1 Breathing equipment
03/01/1989EP0304580A1 Balanced exhalation valve for use in a closed loop breathing system
02/1989
02/28/1989US4807619 Resilient shape-retaining fibrous filtration face mask
02/21/1989US4805608 Breathing apparatus
02/09/1989WO1989000874A1 Respiratory mask
02/08/1989EP0302090A1 Improvements in and relating to breathing apparatus.
02/07/1989US4802472 Emergency air supply device
01/1989
01/31/1989US4800923 Portable emergency breathing apparatus
01/24/1989US4799476 Universal life support system
01/17/1989US4798203 Portable emergency breathing apparatus
01/17/1989CA1248880A1 Molecular sieve type gas separation systems
01/10/1989US4796619 Lung-controlled valve for respirator masks having positive pressures inside the mask
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