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