Patents for A62B 19 - Cartridges with absorbing substances for respiratory apparatus (501) |
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03/04/1993 | WO1993003794A1 A self-sufficient emergency breathing device |
03/03/1993 | CN2127626Y Health magnetic mouthpiece |
02/16/1993 | US5186165 Filtering canister with deployable hood and mouthpiece |
12/16/1992 | EP0518085A1 Cartridge for a respirator |
12/06/1992 | WO1992021408A1 Personal disposable emergency breathing system |
12/02/1992 | EP0515870A1 Air filter cartridge with a resilient foil bag for receiving the filling |
11/14/1992 | WO1992020404A1 Single patient use disposable carbon dioxide absorber |
11/14/1992 | CA2103074A1 Single patient use disposable carbon dioxide absorber |
10/27/1992 | US5158077 Filter container for an absorption filter and a particle filter, for direct or indirect connnection to a protective mask |
04/16/1992 | DE4032234A1 Gas purifying filter device - with filter bed contg. support bodies to prevent settling |
02/25/1992 | CA1296236C Smoke hood against smoke and hypoxy |
11/05/1991 | US5062874 Filter sealing apparatus |
10/01/1991 | US5052385 Filter container for an absorption filter and a particle filter, for direct or indirect connection to a protective mask |
08/13/1991 | US5038768 Breathing apparatus for training firefighters |
07/09/1991 | US5029578 Oxygen breathing apparatus simulator |
05/15/1991 | EP0426885A1 CO2 absorption means |
11/27/1990 | CA1276857C Decompression and toxic fume protection apparatus |
10/16/1990 | US4963327 Respirator masks; provide oxygen enriched filtered air |
08/01/1990 | EP0223808B1 Protection hood against smokes and hypoxy |
05/15/1990 | US4925631 Method of casting a hopcalite filter and cast ceramic fiber-hopcalite |
05/08/1990 | CA1268685A1 Escape respirator |
03/14/1990 | CN2054334U Air cleaing |
12/26/1989 | US4889113 Hood for protecting against smoke and hypoxia |
05/23/1989 | US4832018 Filter case holder |
05/03/1989 | DE3735417A1 Method for providing and disposing of bactericidal and/or fungicidal chemisorption filters for air purification equipment |
04/18/1989 | US4821711 Protective breathing device |
02/21/1989 | US4805608 Breathing apparatus |
12/28/1988 | CA1247495A Breathing apparatus |
11/29/1988 | US4787925 Gas filter canister housing assembly |
11/15/1988 | CA1244779A1 Gas filter canister housing assembly |
10/25/1988 | CA1243583A1 Protective hood with co.sub.2 absorbent |
08/02/1988 | CA1239847A1 Emergency mask |
07/05/1988 | US4754751 Escape respirator |
06/23/1988 | DE3725282A1 Filter cartridge for respirator filters |
06/01/1988 | EP0269589A1 Filter container for connection to a breathing protection mask |
05/24/1988 | CA1237116A1 Self-supporting structures containing immobilized carbon particles and method for forming same |
04/20/1988 | EP0263975A2 Open-cell foamed gypsum absorbents |
02/09/1988 | US4724242 Open cell foamed gypsum absorbents |
12/16/1987 | EP0249124A2 Filter casing for respirator masks |
11/26/1987 | DE3706670A1 Alkali cartridge for breathing apparatuses |
10/28/1987 | EP0242703A2 Cartridge for the regeneration of breathing air |
09/29/1987 | US4696687 Filters |
09/29/1987 | US4696295 Breathing apparatus |
09/23/1987 | EP0238463A1 A device for absorption of carbon dioxide in a breathing apparatus |
06/03/1987 | EP0223808A1 Protection hood against smokes and hypoxy. |
05/12/1987 | US4664683 Polymeric binding agent; filters |
03/18/1987 | EP0214222A1 Breathing bag |
01/27/1987 | US4639432 Oxidation catalysts |
01/13/1987 | US4636485 Oxidation |
12/30/1986 | CA1215961A1 Absorbents for airbourne formaldehyde |
12/10/1986 | EP0204630A1 Filter using granular filter material contained in a rigid recipient |
12/09/1986 | US4627431 Protective hood with CO2 absorbent |
12/04/1986 | WO1986006971A1 Protection hood against smokes and hypoxy |
11/18/1986 | US4623637 Process for producing a catalyst for oxidizing carbon monoxide and air filter produced by the process |
11/12/1986 | EP0201468A1 A device for removing carbon dioxide from a gas mixture |
10/21/1986 | CA1212931A1 Oxidation catalysts |
10/15/1986 | EP0197641A1 Decompression and toxic fume protection apparatus |
09/17/1986 | EP0194657A1 Protective hood with CO2 absorbent |
09/16/1986 | US4611589 Device for regenerating respiratory breathing air |
09/12/1986 | WO1986005105A1 Breathing bag |
09/10/1986 | EP0194145A1 Improvements in and relating to breathing apparatus |
09/10/1986 | EP0193861A2 Carbon monoxide breathing air filter |
08/27/1986 | EP0191925A2 Process for preparing a catalyst for the oxidation of carbon monoxide |
06/25/1986 | EP0185144A1 Platinum catalyst on a support as air purifying agent |
02/04/1986 | US4567889 Protective breathing aid device for diving or other operation under pressure |
10/30/1985 | EP0159698A2 Gas mask canister |
10/30/1985 | EP0159697A2 Gas mask canister |
10/30/1985 | EP0159696A2 Self-supporting structures containing immobilized carbon particles and method for forming same |
10/02/1985 | EP0155991A1 Carbon monoxide respiratory apparatus |
08/21/1985 | EP0151685A1 Pt catalyst on a support as an air purification agent |
08/20/1985 | US4536375 Purification of gases |
05/14/1985 | US4517111 Absorbents for airborne formaldehyde |
03/05/1985 | US4502876 Cartridge for use in rebreathing apparatus |
12/27/1984 | EP0129406A2 Breathing apparatus |
08/14/1984 | CA1172578A1 Gas filter container |
05/02/1984 | EP0107471A2 Oxidation catalysts |
05/02/1984 | EP0107465A1 Purification of gases |
12/06/1983 | US4419110 Filtering toxic gases |
06/22/1983 | EP0081625A2 Breathing protection filter |
05/17/1983 | US4383956 Casting a polymer containing a leachable substance, leaching to form a porous structure |
10/12/1982 | US4353366 Carbon dioxide absorber |
09/21/1982 | US4350662 Carbon dioxide absorbent canister with breathing gas temperature and flow control |
06/15/1982 | US4334533 Breathing method and apparatus for simulating high altitude conditions |
04/20/1982 | US4325364 Training breathing apparatus |
01/05/1982 | CA1115679A1 Filter material and a method of making it |
11/24/1981 | CA1112979A1 Breathing apparatus chemical canister with dust seal |
05/05/1981 | CA1100294A1 Devices for treating gaseous material |
09/09/1980 | CA1085258A1 Hypoxia conditioning apparatus |
07/15/1980 | US4212846 Breathing apparatus chemical canister with dust seal |
07/01/1980 | US4210137 Altitude conditioning method and apparatus |
03/18/1980 | US4193966 Underwater breathing |
07/17/1979 | CA1058383A1 Endothermal carbon dioxide absorption |
05/15/1979 | US4154796 Chemical which liberates nitrogen |
05/15/1979 | CA1054480A1 Respiratory apparatus |
01/09/1979 | US4133309 Sorbent material and a respirator containing the sorbent material |
09/05/1978 | US4112048 Air-regeneration filter |
08/22/1978 | US4108172 Carbon dioxide absorption canister for use with analgesia equipment |
05/02/1978 | US4086923 Altitude conditioning method and apparatus |
09/06/1977 | US4046529 Carbon dioxide |
08/02/1977 | US4039620 Endothermal carbon dioxide absorption |