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