Patents for A62B 7 - Respiratory apparatus (6,995)
02/1992
02/12/1992CN2095667U Air inflating lifesaving instrument
02/11/1992CA1295530C Aircraft aircrew life support systems
01/1992
01/28/1992WO1992002269A1 Cpap device for surgery utilizing one-lung anesthesia
01/22/1992EP0466960A1 Portable breathing device
01/15/1992CN2093012U Civil fire-proof smoke-filter and oxygen-supply life-saving mask
01/07/1992US5078343 Oxygen supply unit
01/02/1992EP0463383A2 Breathing protection mask with easily changeable breathing filter
12/1991
12/31/1991US5076267 Closed circuit breathing device with pressure sensing means
12/24/1991US5074298 Gas flow control system
12/17/1991US5072728 Recirculating respirator
12/17/1991CA1293094C Resilient shape-retaining fibrous filtration face mask
12/12/1991WO1991018637A1 Emergency oxygen supply system
12/10/1991US5071453 Oxygen concentrator with pressure booster and oxygen concentration monitoring
11/1991
11/27/1991CN2089348U Paint spraying protective helmet
11/19/1991US5065745 Portable respiratory protection device
11/13/1991EP0456065A2 Breathing mask-hose coupling
11/13/1991CN2088435U Combined dust-proof gauze mask
11/11/1991CA2041063A1 Breathing mask-hose coupling
10/1991
10/30/1991EP0453926A2 Disposable carbon dioxide absorber
10/23/1991EP0302090B1 Improvements in and relating to breathing apparatus
10/23/1991CN2087083U Portable oxygen cylinder
10/09/1991CN2086304U Thirty minutes compressed oxygen self saving unit
10/08/1991US5054481 Infusion apparatus to supply compressed air into an industrial mask
10/04/1991WO1991015265A1 A breathing system for smoke diving and the like
10/02/1991EP0449532A2 Emergency breathing equipment
10/02/1991CN2085670U Double-hole tube type dust-and poison-preventing respirator for air drill and pneumatic chipper
10/01/1991US5052385 Filter container for an absorption filter and a particle filter, for direct or indirect connection to a protective mask
09/1991
09/18/1991EP0446491A1 Closed-circuit positive pressure breathing apparatus with pneumatically operated storage chamber
09/18/1991CN2084931U Portable chemical oxygen producing and saving device
09/17/1991US5048517 Recirculating positive-pressure respirator
09/17/1991US5048516 Respiratory mask
08/1991
08/28/1991EP0276217B1 Breathing apparatus
08/27/1991US5042471 Respirator with several regeneration cartridges and breather bags
08/27/1991CA1288021C Cold weather breathing mask
08/20/1991US5040532 Continuous positive airway pressure device for thoracic surgery utilizing one-lung anesthesia
08/20/1991US5040528 Autonomous breathing system for underwater diver's headgear
08/13/1991US5038772 Closed-cycle breathing equipment
08/13/1991US5038767 Device for treating respiration gas with an oxygen-releasing chemical cartridge
08/08/1991DE4005720C1 Respiratory air cooler in protective respirator - has cartridge with carbon di:oxide binding chemical layer, coupled to heat collector
08/06/1991US5036841 Self contained closed circuit breathing apparatus
07/1991
07/31/1991CN2081736U Disposable miniature oxygen generator
07/30/1991US5035236 Filtration device for respiratory gasses with heat and moisture exchange
07/23/1991US5033465 Bonded adsorbent structures and respirators incorporating same
07/17/1991CN2080850U Self-saving respiratory apparatus with compressed oxygen
07/02/1991US5027810 Self-contained emergency breathing apparatus
06/1991
06/12/1991CN1052054A Personal safety system in environment of no oxygen but existing of toxic gas and heat attacking
06/11/1991US5022393 Apparatus for warning a pilot of life-support system failures
06/04/1991CA1284604C Replenishable self contained breathing apparatus
05/1991
05/29/1991CN2077723U 袖珍化学氧袋 Pocket chemical oxygen bag
05/21/1991US5016628 Rebreathing gas
05/21/1991CA1284367C System for metering of breathing gas for accommodation of breathing demand
05/15/1991CN2076864U Portable oxygen generator
04/1991
04/24/1991EP0423496A2 Oxygen concentrator with pressure booster and oxygen concentration monitoring
04/16/1991US5007421 Breathing apparatus
04/16/1991US5007419 Inhaler device
04/10/1991EP0421672A2 Oxygen monitoring method and apparatus
04/10/1991EP0421289A2 Improved positive pressure breathing assembly and demand regulator therefor
04/04/1991DE3931968A1 Breathing appts. for canoeist - has mouth or nose connection to canoe enclosed air chamber
04/04/1991CA2026239A1 Positive pressure breathing assembly and demand regulator therefor
04/03/1991EP0420812A1 Portable breathing protection apparatus
04/03/1991CA2000077A1 Portable container with pressurized fresh air supplement
04/02/1991US5004485 Molecular sieve-type gas separation systems
03/1991
03/26/1991US5002049 Portable smoke and gas dispeller
03/21/1991WO1991003278A1 Anthropomorphic g-suit
03/19/1991US5000174 Positive pressure breathing assembly and demand regulator therefor
03/12/1991US4998529 Decompression and toxic fume protection apparatus
03/12/1991CA1281254C Balanced exhalation valve for use in a closed loop breathing system
03/12/1991CA1281253C Powered respirators
03/12/1991CA1281252C Low pressure breathing regulators and breathing gas systems incorporating the same
03/06/1991EP0415785A1 Emergency respiration apparatus
03/06/1991EP0415784A2 Gas flow control system
03/05/1991US4997217 Breathing mask-hose coupling
03/05/1991US4996982 Emergency breathing apparatus with holster released regulator valve
03/02/1991CA2024439A1 Emergency respiration apparatus
03/02/1991CA2023941A1 Gas flow control system
02/1991
02/13/1991CN2071070U Mine filting type oxygen-producing life self-saving device
01/1991
01/30/1991CN2070184U Chemical oxygen self saving device without starter
01/23/1991EP0409402A1 Heat and moisture exchange devices
01/23/1991CN2069733U Tasteless oxygen-feeding filter
01/18/1991CA2019752A1 Heat and moisture exchange devices
01/10/1991WO1991000120A1 Smoke-proof helmet
01/02/1991CN2068402U Compressed air breathing apparatus when in disaster
12/1990
12/27/1990CA1278236C Oxygen supply unit having an oxygen generator
12/26/1990CN1047980A Method of breath supply by using fire engine
12/12/1990CN2067165U Clamping type oxygen inhalation device
12/05/1990EP0400493A1 A car accessory for fighting incipient fits of driver's drowsiness
12/04/1990US4974585 Breathing apparatus gas-routing manifold
12/04/1990CA1277199C Closed circuit breathing apparatus
11/1990
11/28/1990CN2066337U Starter for self-rescue device using chemical oxygen
11/27/1990CA1276857C Decompression and toxic fume protection apparatus
11/21/1990CN2065929U Multi-functional rhinobyon
11/20/1990US4971052 Breathing apparatus
11/14/1990CN2065492U Auxiliary respiratory apparatus
11/08/1990DE3914802A1 Pressure gauge for breathing appts. - is mounted on low pressure side of pressure reducing valve
11/07/1990CN2065069U Air-pressed self-rescuer and system thereof
11/06/1990US4967742 Portable breathing device
10/1990
10/24/1990EP0394076A1 Altitude dependant gaseous oxygen flow regulating device for supplying airplane passenger breathing masks
10/24/1990CN2064246U Respirator being able to produce oxygen chemically
10/23/1990US4964900 Respirator filter means for removal of tritiated water
10/23/1990US4964405 Emergency respiration apparatus
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