Patents for A62B 21 - Devices for producing oxygen from chemical substances for respiratory apparatus (384) |
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03/17/1999 | CN2310594Y Self-steadily chemical oxygen producer |
12/16/1998 | CN2300428Y Multi-function oxygen-enriched apparatus |
12/02/1998 | CN2298825Y Oxygen-generating emergency hood |
12/02/1998 | CN2298824Y Oxygen producer |
10/28/1998 | CN2295501Y Small size chamical oxygen generator |
10/20/1998 | US5823181 Handy oxygen generator |
09/30/1998 | EP0867201A2 Apparatus for generation of oxygen |
09/09/1998 | CN2290360Y Oxygen maker |
09/08/1998 | US5804146 Chemical oxygen generator |
08/26/1998 | EP0828686A4 Chemical gas generator |
08/19/1998 | EP0858425A1 Self-contained device for chemically producing high-pressure breathing oxygen |
08/19/1998 | CN2287975Y Closed oxygen-generating oneself-saving mask |
08/13/1998 | DE19712276A1 Compact oxygen generator for medical applications |
06/30/1998 | US5772976 Chemical gas generator |
05/12/1998 | US5750077 Uses simlple chemical reaction in conjunction with innovative heating system and insulation techniques |
04/08/1998 | CN2277791Y 插件式纯氧发生器 Plug-in oxygen generator |
03/31/1998 | US5733508 Oxygen generator |
03/18/1998 | EP0828686A1 Chemical gas generator |
03/12/1998 | WO1998009674A1 Closed circuit escape breathing apparatus |
03/10/1998 | US5725834 Chemical oxygen generator |
02/25/1998 | CN2274970Y Portable oxygen generater |
02/11/1998 | CN2274076Y Mini-size regulatable oxygen-supply device |
01/28/1998 | EP0756893A4 Oxygen generator |
01/07/1998 | CN2271909Y Oxygen generator |
10/29/1997 | CN2265822Y Chemical oxygen candle oxygen producer |
10/23/1997 | DE19615501A1 Chemical oxygen generator |
09/17/1997 | CN2262435Y Inserted pure oxygen generator |
09/09/1997 | US5665316 Portable oxygen generator |
09/09/1997 | CA1339442C Potassium superoxide pellet |
08/20/1997 | CN2259920Y Medical purpose chemical device for producing oxygen |
08/13/1997 | EP0788806A2 Agent for releasing oxigen in an oxigen generator |
08/05/1997 | US5653226 Device for generating oxygen |
07/23/1997 | CN1035488C Bipolar oxygen-making electrochemical process and its apparatus |
07/03/1997 | WO1997023413A1 Portable oxygen generator |
05/21/1997 | CN2254355Y Device for producing and supplying oxygen |
05/01/1997 | WO1997015525A1 Self-contained device for chemically producing high-pressure breathing oxygen |
04/16/1997 | CN2252014Y Oxygen can |
02/05/1997 | EP0756893A1 Oxygen generator |
12/11/1996 | CN2242110Y Oxygen generator |
12/05/1996 | WO1996038376A1 Chemical gas generator |
11/27/1996 | CN2241000Y Chemical oxygen supply type mask for rescuing from fire |
10/09/1996 | EP0736486A2 Chemical oxygen generator |
08/22/1996 | WO1996025226A1 Oxygen generator |
06/26/1996 | CN1032128C Oxygen producing method |
05/09/1996 | DE4437895C1 Vorrichtung zur Erzeugung von Sauerstoff Device for the production of oxygen |
03/07/1996 | WO1996006799A1 Portable oxygen generator |
03/05/1996 | US5495847 Survival hood |
03/01/1996 | CA2131266A1 Portable oxygen generator |
02/21/1996 | CN2220307Y Portable quick generating oxygen chemical oxygen breathing protector |
01/02/1996 | US5479919 Device for putting into operation an oxygen-releasing cartridge in a respirator |
11/22/1995 | CN2213005Y Oxygen generating bag |
09/13/1995 | CN2207203Y Disposable medical oxygen producing bottle |
08/22/1995 | US5443798 Thermal insulation |
08/02/1995 | CN1105950A Oxygen generator |
07/19/1995 | CN2203618Y Oxygen mask |
06/21/1995 | CN2201146Y Flow controllable continuous oxygen feeding device |
05/23/1995 | US5417928 Singlet delta oxygen generator and process |
04/26/1995 | CN2195348Y Micro-oxygen-generating and supplying device |
03/29/1995 | CN2193176Y Chemical oxygen producing apparatus for vehicle and ship |
02/15/1995 | CN2189471Y Double-directional adjustable oxygen generator |
12/27/1994 | US5376352 Means for heating and holding liquid lithium perchlorate for decomposition into lithium chloride and oxygen |
12/21/1994 | CN2185616Y Portable device for producing oxygen from chemical substance |
12/21/1994 | CN1096495A High purity oxygen preparation |
08/24/1994 | CN2175014Y Portable oxygen-generator by chemical method |
08/16/1994 | US5338516 Chemical oxygen generator |
08/09/1994 | US5336470 Chemical oxygen generator having a multi-component reaction-control member |
07/13/1994 | CN2171382Y Duplicate chemical oxygen apparatus |
06/16/1994 | DE4321926C1 Device for operating oxygen-emitting cartridge in breathing protection appts. - involves striker spring fixed in retainer, at end of which is striker hammer operating ignition mechanism |
04/20/1994 | CN1085607A Bipolar oxygen-making electrochemical process and its apparatus |
04/13/1994 | CN2161334Y Device for producing oxygen |
04/13/1994 | CN2161333Y Device for producing oxygen from chemical substance |
04/06/1994 | CN2160422Y Portable medicinal health oxygen generator |
03/30/1994 | CN1084487A Chemical method of quick-producing oxygen and serial products |
02/16/1994 | CN2156173Y Portable controllable high-purity oxygen generator |
02/09/1994 | EP0581829A1 Chemical oxygen generator |
01/26/1994 | CN2154080Y Portable quick oxygen producer |
01/12/1994 | CN2152574Y Simple adjustable steady-flow oxygen generator |
01/05/1994 | CN2151773Y Oxygen content increasing type two-purpose oxygen generater |
01/05/1994 | CN2151758Y Constant pressure and current oxygen generator |
12/22/1993 | CN2149931Y Flow-regulated oxygen-generating device |
12/22/1993 | CN2149930Y Regulated chemical oxygen-generating device |
12/07/1993 | US5267558 Chemical cartridge for respirators |
12/01/1993 | CN2147874Y Miniature oxygen generating and supply device |
11/24/1993 | CN2147011Y Portable oxygen producer |
11/17/1993 | CN2146268Y Medical immediate oxygen generating bag |
11/03/1993 | CN2145026Y Multipurpose oxygen generator for medical service |
09/22/1993 | CN2142454Y Multipurpose controllable oxygen generator |
09/01/1993 | CN2141296Y Small oxygen generating and supply device |
06/30/1993 | EP0548567A2 Chemical oxygen generator with multi-component elements to control reaction |
06/09/1993 | CN2135378Y Oxygen can |
05/26/1993 | CN1072390A Safety oxygen producing agent (solid oxygen) |
05/19/1993 | CN2133321Y Multi-functional portable oxygen generator |
04/07/1993 | CN1070582A Portable quick oxygen-generating lifesaving device |
03/30/1993 | US5198147 Candles for breathable oxygen |
03/03/1993 | CN2127627Y Expiration quick-starting chemical oxygen self-saving device |
02/18/1993 | DE4126684A1 Chemical cartridge for breathing appts. - has internal structure to control through-flow of air so that chemical is fully used |
01/27/1993 | CN2126620Y 改进型应急供氧装置 Improved emergency oxygen device |
01/14/1993 | DE4221593A1 Generation of oxygen@ from air |
11/25/1992 | CN2122650U Float catheter oxygen-producing device with multiple filtering unit |
10/29/1992 | WO1992018423A1 Chemical oxygen generator |