| Patents for A62B 18 - Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes (6,940) |
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| 04/03/1984 | CA1164766A1 Universal canister mount |
| 04/03/1984 | CA1164601A1 Respirators |
| 03/20/1984 | US4437462 Pneumatic head harness |
| 02/28/1984 | US4433988 Helmet adapted for use by hay fever sufferers |
| 02/14/1984 | US4430995 Power assisted air-purifying respirators |
| 01/17/1984 | US4426122 Microcomputer adapted to be connected to a supplementary circuit placed in a cartridge |
| 12/13/1983 | US4419994 Respirators |
| 12/06/1983 | CA1158131A1 Cartridge respirator with service life indicator |
| 11/29/1983 | US4417575 Respirators |
| 11/23/1983 | EP0094757A2 Respirator |
| 11/15/1983 | US4414973 Respirator face mask |
| 10/25/1983 | USRE31424 Respirators |
| 10/19/1983 | EP0091843A1 Connector for a breathing apparatus, linking the mask to a gas-cylinder |
| 10/19/1983 | EP0091647A1 Combined protecting mask |
| 10/05/1983 | EP0090083A2 Quick acting connection of an appliance to breathing masks |
| 09/07/1983 | EP0087909A2 Respirator air guide |
| 09/06/1983 | US4402316 Breathing gas mask |
| 08/24/1983 | EP0086232A1 Improvement in respiratory devices |
| 07/12/1983 | CA1149570A1 Reinforced shock resistant resin structure and its relative method of manufacture |
| 07/04/1983 | EP0047296A4 Powered air respirator. |
| 05/31/1983 | CA1147101A1 Respirators |
| 05/11/1983 | EP0078610A1 Fixing rigid inserts in a flexible material |
| 05/04/1983 | EP0078110A2 Powered air respirator and filter cartridge therefor |
| 04/14/1983 | WO1983001280A1 Fixing rigid inserts in flexible material |
| 03/03/1983 | WO1983000632A1 Improvement in respiratory devices |
| 02/16/1983 | EP0072229A1 Improvements in and relating to face masks |
| 02/15/1983 | US4373520 Respirator speech unit/outlet valve |
| 12/28/1982 | US4365627 Filter-type respirator canister |
| 12/08/1982 | EP0066451A1 Improvements in and relating to power assisted air-purifying respirators |
| 11/30/1982 | US4361146 Filtering respirator |
| 11/30/1982 | US4361145 Respirator mask |
| 10/19/1982 | US4354520 Pressure/demand exhalation valve |
| 10/19/1982 | CA1133652A1 Respirators |
| 10/12/1982 | CA1133354A1 Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus |
| 10/05/1982 | US4352353 Protective clothing |
| 09/21/1982 | US4350507 Respirable particle sampling instruments |
| 09/16/1982 | WO1982003013A1 Cold weather breathing apparatus |
| 09/14/1982 | US4349251 Adjustable eyeglass mounting |
| 08/31/1982 | US4347205 Process for preparing an inflatable pad for a face mask |
| 06/29/1982 | US4336799 Apparatus for supplying oxygen to a user |
| 06/23/1982 | EP0054154A1 Breath protection hood, especially for emergency evacuations |
| 05/25/1982 | US4331141 Arrangement for protection of organs of respiration |
| 05/25/1982 | CA1124001A1 Hood assembly with noise filter |
| 05/18/1982 | CA1123705A1 Respirator speech unit/outlet valve |
| 04/27/1982 | US4326514 Cartridge respirator with service life indicator |
| 04/27/1982 | CA1122546A1 Melt-blown fibrous electrets |
| 04/06/1982 | CA1121248A1 Exhalation valve assembly |
| 03/23/1982 | US4320755 Air supply units |
| 03/23/1982 | CA1120372A1 Demand inhalation valve system |
| 03/17/1982 | EP0047296A1 Powered air respirator. |
| 03/16/1982 | CA1119975A1 Portable air filtering and breathing assist device masks |
| 02/16/1982 | US4315335 Dual safe helmet |
| 01/19/1982 | CA1163523B Breathing valve assembly with diaphragm control of the exhaust ports |
| 01/19/1982 | CA1116494A1 Breathing valve assembly with diaphragm control of the exhaust ports |
| 01/19/1982 | CA1116351A1 Disposable dust respirator |
| 12/30/1981 | EP0042736A1 Cartridge respirator with service life indicator |
| 11/17/1981 | US4300242 Molded reinforced article and method |
| 10/27/1981 | US4296746 Disposable full-face surgical mask |
| 10/13/1981 | US4294243 Respirators |
| 09/17/1981 | WO1981002514A1 Powdered air respirator |
| 09/01/1981 | US4286439 Suit for protecting a person's body from heat and gas |
| 08/25/1981 | CA1107452A1 Respirator |
| 07/28/1981 | US4280491 Powered air respirator |
| 07/07/1981 | US4276877 Respiratory method and apparatus |
| 07/07/1981 | CA1104457A1 Breathing apparatus |
| 06/10/1981 | EP0029885A1 Escape filtering apparatus with protective hood |
| 06/09/1981 | US4271834 Disposable portable mask for emergency use |
| 05/26/1981 | US4269183 Cold weather breathing mask |
| 05/26/1981 | CA1101755A1 Safety helmet for miners |
| 05/12/1981 | US4266539 Carbon dioxide scrubber and gas regenerator unit for a closed circuit rebreathing apparatus |
| 05/05/1981 | CA1100419A1 Organic vapor respirator cartridge end-of-service indicator system and method |
| 04/29/1981 | EP0027521A1 Head protection hood |
| 03/31/1981 | US4258710 Mask-type respirator |
| 03/03/1981 | US4253455 Breathing valve assembly with diaphragm control of the exhaust ports |
| 02/25/1981 | EP0024133A1 Air supply units |
| 02/17/1981 | US4250877 Diver's helmet and face mask for use therewith |
| 02/17/1981 | US4250577 Face mask for use with goggles |
| 01/20/1981 | US4245631 Frigid air respirator |
| 12/30/1980 | US4241756 Exhalation valve assembly |
| 12/09/1980 | US4237877 Protective environmental mask with thermoelectric air conditioning system |
| 12/02/1980 | CA1090674A1 Protective clothing |
| 11/18/1980 | US4233972 Portable air filtering and breathing assist device |
| 11/18/1980 | US4233970 Emergency escape breathing apparatus |
| 10/28/1980 | US4229832 Diver's suit excess gas exhaust valve |
| 10/15/1980 | EP0016945A1 Reinforced impact resistant resin structure and its related process of manufacture |
| 10/14/1980 | US4227520 Safety helmet for miners |
| 09/16/1980 | CA1085695A1 Nasal device |
| 08/05/1980 | US4215682 Melt-blown fibrous electrets |
| 08/05/1980 | US4215437 Helmet-mask for cold weather and/or particulate laden environments |
| 07/22/1980 | CA1081902A1 Protective devices |
| 06/17/1980 | US4207883 Hood assembly with noise filter |
| 06/17/1980 | US4207882 Filter apparatus for welding mask |
| 04/15/1980 | US4197841 Respirator with protective cover |
| 02/05/1980 | US4186736 Device for safeguarding the respiratory organs |
| 02/05/1980 | US4186735 Breathing apparatus |
| 01/22/1980 | US4184212 Lift-front firefighter's hood |
| 01/15/1980 | US4183101 Replaceable visor |
| 11/27/1979 | CA1066851A1 Protective devices |
| 11/20/1979 | US4174710 Connection between two different parts of a person's protective covering |
| 11/06/1979 | US4173220 Facemask |