| Patents for A62B 21 - Devices for producing oxygen from chemical substances for respiratory apparatus (384) |
|---|
| 09/30/1992 | CN1064817A Portable high-speed oxygen-generating life-saving apparatus |
| 08/26/1992 | CN2113789U Insulation casing of gas generator |
| 08/26/1992 | CN2113788U Percussion cap fixing base for gas generators |
| 06/10/1992 | CN2106622U Long-time preservable and labour-saving once-used oxygen-producing device |
| 06/03/1992 | EP0464107A4 Controlled release of desired product through the controlled reaction of precursor |
| 05/27/1992 | CN2105310U Rapid large volume oxygen generator |
| 05/19/1992 | US5113854 Quick-donning protective hood assembly |
| 04/15/1992 | CN2101504U Portable oxygen generator |
| 03/04/1992 | CN2097660U Portable chemical oxygen-generated device |
| 02/27/1992 | DE4026768A1 Respiration mask - is coated with mixed catalyst destroying ozone in air |
| 01/08/1992 | EP0464107A1 Controlled release of desired product through the controlled reaction of precursor |
| 11/27/1991 | CN2089350U Oxygen feeder for emergency |
| 11/13/1991 | CN2088436U Portable oxygen feeding device |
| 11/13/1991 | CN1056059A Portable rapid oxygen-making lifesaling device |
| 09/18/1991 | CN2084827U Portable chemical oxygen-making device |
| 08/13/1991 | US5038767 Device for treating respiration gas with an oxygen-releasing chemical cartridge |
| 07/31/1991 | CN2081736U Disposable miniature oxygen generator |
| 07/10/1991 | CN2080409U Personal medical convenient device for producing oxygen |
| 01/01/1991 | US4981655 Chemical oxygen generator |
| 10/16/1990 | US4963327 Respirator masks; provide oxygen enriched filtered air |
| 09/22/1990 | WO1990011248A1 Controlled release of desired product through the controlled reaction of precursor |
| 09/22/1990 | CA2048687A1 Controlled release of desired product through the controlled reaction of precursor |
| 05/09/1990 | CN2056859U Chemical oxygan generator adjustable continuously |
| 01/17/1990 | CN2051116U Medical oxygen generator for emergency |
| 01/10/1990 | CN2050767U 便携式氧气发生器 Portable oxygen generator |
| 01/03/1990 | EP0349349A2 Oxygen generator |
| 12/27/1989 | CN2049960U First-aid chemical oxygen-producing device |
| 09/20/1989 | EP0332685A1 Sodium chlorate agglomerates |
| 07/19/1989 | CN1033967A Quick gas filling device and its serial products |
| 04/05/1989 | EP0309594A1 A method of generating oxygen gas for emergency use |
| 04/04/1989 | US4817597 Self-contained closed-circuit oxygen-generating breathing apparatus |
| 03/23/1989 | WO1989002413A1 Sodium chlorate agglomerates |
| 02/01/1989 | EP0301493A2 Chemical oxygen generator with a shaped chlorate filling |
| 12/20/1988 | US4792435 Oxygen generating system |
| 07/28/1988 | WO1988005322A1 Portable oxygen generator |
| 06/15/1988 | CN87214536U Oxygen generator for emergency |
| 03/15/1988 | US4731197 Potassium superoxide pellet |
| 01/27/1988 | EP0254314A2 Self-contained closed-circuit oxygen-generating breathing apparatus |
| 01/05/1988 | US4717549 Oxygen chemical generation respiration apparatus |
| 07/28/1987 | US4683130 Addition compound of sodium carbonate and hydrogen peroxide |
| 07/08/1987 | EP0227672A1 Process for the production of oxygen by a portable apparatus, particularly for human respiration and apparatus to carry out the process |
| 06/09/1987 | US4671270 Portable oxygen inhaler |
| 06/03/1987 | EP0223914A2 Oxygen generator |
| 05/19/1987 | US4665910 Respirator having a respiratory regenerator with an area cooling portion |
| 11/18/1986 | US4623520 Gas impervious screen |
| 10/08/1986 | EP0196619A2 A method of generating oxygen for emergency use |
| 06/04/1986 | EP0182979A2 Breathing protection device with air regeneration |
| 04/10/1986 | WO1986002063A1 Process for the production of oxygen by a portable apparatus, particularly for human respiration and apparatus to carry out the process |
| 03/19/1986 | CN85201623U Composite chemical oxygen isolation self life preserver of direct holding in the mouth without duct |
| 02/26/1986 | CN85201624U Primary device for chemical oxygen isolating self-rescuer |
| 12/31/1985 | CA1198710A1 Oxygen generator |
| 08/20/1985 | US4536370 Chemical oxygen generator |
| 07/02/1985 | US4526758 For heating apparatus comprising brick of oxygen generating material contained in cannister, resilient diaphragm, ampule containing ignition liquid, ignition means |
| 05/07/1985 | US4515156 Regenerative canister of a self-contained oxygen-breathing apparatus on chemically fixed oxygen |
| 04/02/1985 | US4508700 Method of generating oxygen for emergency use |
| 12/25/1984 | US4490272 Compositions with a potassium superoxide base and their applications _ |
| 11/14/1984 | EP0125157A1 Chemical oxygen generator for breathing equipment |
| 01/24/1984 | US4427635 Contains supply of pressurized oxygen immediately available while further supply is generated; emergency breathing |
| 11/16/1983 | EP0093938A1 A method of generating oxygen for emergency use |
| 08/17/1983 | EP0086138A2 Potassium superoxide based compositions and their uses |
| 10/12/1982 | CA1133354A1 Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus |
| 12/08/1981 | CA1113694A1 Method of manufacturing a chemical oxygen generator and a chemical oxygen generator construction |
| 11/24/1981 | CA1112979A1 Breathing apparatus chemical canister with dust seal |
| 09/08/1981 | US4287887 Oxygen respirator container for an oxygen releasing chemical cartridge |
| 07/14/1981 | US4278637 Chemical oxygen generator |
| 07/07/1981 | US4277443 Air purifying cartridges for respirators |
| 06/09/1981 | CA1102529A1 Breathing apparatus with an automatic firing mechanism |
| 06/02/1981 | CA1102098A1 Chemical oxygen generator and process of making a generator |
| 05/12/1981 | US4266539 Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus |
| 05/05/1981 | CA1100294A1 Devices for treating gaseous material |
| 03/17/1981 | US4256698 Chemical cartridge for respirators |
| 01/20/1981 | US4246229 Starting device for a chemical oxygen generator |
| 12/30/1980 | US4241485 Method of manufacturing a chemical oxygen generator and a chemical oxygen generator construction |
| 11/18/1980 | US4233971 Respirator |
| 07/15/1980 | US4212846 Breathing apparatus chemical canister with dust seal |
| 06/03/1980 | US4205673 Breathing apparatus with an automatic firing mechanism |
| 04/08/1980 | US4197213 Method and apparatus for the pyrotechnic generation of multi-component gases |
| 02/19/1980 | US4189460 Chemical oxygen generator and process of making a generator |
| 05/15/1979 | US4154796 Chemical which liberates nitrogen |
| 09/19/1978 | US4115069 Sequential ignition system for oxygen generation elements |
| 09/12/1978 | US4113646 Potassium superoxide, lithium monoxide, silicon dioxide, lithium metaborate or calcium sulfate |
| 09/05/1978 | US4112048 Air-regeneration filter |
| 04/26/1977 | US4019509 Self-rescue breathing apparatus |
| 07/27/1976 | US3971372 Oxygen-generating apparatus for scuba diving |