| 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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| 05/31/1990 | WO1990005564A1 Self-contained breathing apparatus |
| 05/23/1990 | EP0368916A1 Respiratory mask. |
| 05/22/1990 | US4926854 Protective helmet with a strapless breathing protection mask |
| 05/22/1990 | US4926853 Gas mask nose occluder |
| 05/17/1990 | DE3838531A1 Device for the detection of infected and poisoned breathing air |
| 05/08/1990 | CA1268686A1 Valve for respirator |
| 05/03/1990 | WO1990004908A1 Headgear and clamp for positioning audio transducer |
| 05/02/1990 | EP0366409A2 Sight corrective lens mounting system for respirators |
| 05/01/1990 | US4920960 Body fluids barrier mask |
| 04/18/1990 | EP0363530A1 Respirator |
| 04/10/1990 | US4915106 Crew oxygen mask with pneumatic comfort adjustment |
| 04/10/1990 | US4915105 Miniature respiratory apparatus |
| 04/10/1990 | US4915099 Moulded speech transmitter |
| 04/10/1990 | US4914957 Leak test adaptor apparatus for facilitating leak testing face mask respirators |
| 03/20/1990 | CA1266854A1 Bonded adsorbent structures and respirators incorporating same |
| 03/13/1990 | US4907584 Respiratory mask |
| 03/08/1990 | WO1990002078A1 Simplified respirator |
| 03/06/1990 | US4905687 Method and apparatus for regulating air supplied to a gas mask |
| 03/06/1990 | US4905683 Respirator mask for positive pressure respirator equipment |
| 02/27/1990 | US4903694 Ventilating apparatus for a protective suit |
| 02/27/1990 | CA1266151A1 Oronasal mask assemblies |
| 02/20/1990 | US4901715 Apparatus and method for breathing through the soil-stack during a high-rise fire |
| 02/13/1990 | US4901356 For a protective face mask |
| 02/13/1990 | US4899740 Respirator system for use with a hood or face mask |
| 01/31/1990 | EP0352938A2 Breathing apparatus |
| 01/24/1990 | EP0352113A2 Forced-ventilation filtration device |
| 01/10/1990 | EP0350322A2 Head harness |
| 01/09/1990 | US4892094 Pressure responsive diaphragm valve |
| 01/03/1990 | EP0349191A2 Powered respirators |
| 01/02/1990 | CA1264101A1 Helmet with auxiliary, electrically operated service |
| 12/26/1989 | US4889113 Hood for protecting against smoke and hypoxia |
| 12/20/1989 | EP0192650B1 Respirator harness assembly |
| 12/13/1989 | EP0345479A1 Regulator for breathing apparatus |
| 12/12/1989 | US4886058 Filter element |
| 12/12/1989 | US4886056 Breathing apparatus |
| 11/29/1989 | EP0343521A2 Breath protection mask |
| 11/23/1989 | EP0342807A2 Filter element |
| 11/21/1989 | US4881538 Respirator air guide |
| 11/09/1989 | DE3814070A1 Oxygen respiratory device, especially for use in mining operations |
| 10/25/1989 | EP0338714A2 Safety visors |
| 10/25/1989 | EP0338234A2 A humidification face mask |
| 10/24/1989 | US4875477 Protective mask having a built-in sensor for monitoring vital functions |
| 10/17/1989 | US4873972 Disposable filter respirator with inner molded face flange |
| 10/17/1989 | US4873970 Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases |
| 10/12/1989 | DE3809408A1 Filter |
| 10/12/1989 | DE3809405A1 Battery-operated ventilation apparatus for a breathing protection mask |
| 10/11/1989 | EP0336834A1 Helmet breathing mask attachment device |
| 10/11/1989 | EP0336518A2 Portable smoke and gas dispeller |
| 09/27/1989 | EP0334555A2 Breathing apparatus |
| 09/27/1989 | EP0334098A1 Battery pack |
| 09/26/1989 | US4869245 Automatic release mechanism for a breathing mask |
| 09/26/1989 | US4869244 Valve-talking device |
| 09/13/1989 | EP0332605A2 Protective garment ventilation device |
| 09/08/1989 | WO1989007961A1 Crew oxygen mask with pneumatic comfort adjustment |
| 08/30/1989 | EP0329941A2 Gas mask for operation in contaminated areas |
| 08/16/1989 | EP0327643A1 Protective hood and oral-nasal mask |
| 08/16/1989 | CN2042674U Semi-body dust-proof air pressure adjustable breathing mask and device |
| 08/02/1989 | EP0325959A2 Safety helmet |
| 08/01/1989 | US4852562 Helmet |
| 07/25/1989 | US4850346 Respirator |
| 07/18/1989 | US4848334 Mask |
| 06/27/1989 | US4841963 Accessory for gas masks and gas masks equipped therewith |
| 06/20/1989 | US4840169 Ventilation system for artists |
| 06/14/1989 | EP0320125A1 Air guidance in respirators |
| 06/14/1989 | EP0319612A1 Device affording breathing and speaking, particularly for breath-protection masks |
| 06/14/1989 | CN1004468B Valve for respirator |
| 06/13/1989 | US4838262 Exhalation valve |
| 05/24/1989 | EP0317195A1 Eyepiece protector for respirators |
| 05/23/1989 | US4832018 Filter case holder |
| 05/23/1989 | US4832017 Breathing mask |
| 05/17/1989 | EP0316291A1 A face protecting mask intended to be used in general medicine and more particularly in surgery |
| 05/17/1989 | EP0315881A2 Filter breathing protection device |
| 05/17/1989 | CN2037837U Face-ear guard used during setting off fireworks and firecrackers |
| 05/10/1989 | CN2037220U Anti-fume welding helmet |
| 05/09/1989 | US4827924 High efficiency respirator |
| 05/02/1989 | US4825474 Cold weather mask |
| 04/25/1989 | US4823785 Device associated with a breathing mask for allowing the introduction of liquid substances for the user, and the associated breathing mask |
| 04/13/1989 | DE3733003A1 Pollen protection device |
| 04/12/1989 | EP0311516A1 Connection piece for a breathing mask and mask presenting such a piece |
| 04/11/1989 | CA1252396A1 Molded fibrous filtration products |
| 04/04/1989 | US4817596 Helmet for use with respirator mask |
| 03/29/1989 | EP0309277A2 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making |
| 03/28/1989 | US4815458 Protective breathing apparatus |
| 03/23/1989 | WO1989002293A1 Breathing apparatus |
| 03/21/1989 | CA1251375A1 Escape hood packaging unit |
| 03/14/1989 | US4811728 Respirator hood |
| 03/01/1989 | EP0304641A1 Protective mask |
| 02/28/1989 | US4807619 Resilient shape-retaining fibrous filtration face mask |
| 02/28/1989 | US4807614 For emergencies |
| 02/15/1989 | EP0303090A1 Seal for protective masks |
| 02/15/1989 | EP0303056A1 Safety face mask with integrated sensor for monitoring live functions |
| 02/14/1989 | US4803980 Automatic breathing mask release mechanism |
| 02/14/1989 | US4803979 Pulsating water and air jet structure for cleaning helmet window |
| 02/09/1989 | WO1989000874A1 Respiratory mask |
| 02/09/1989 | WO1989000873A1 Protective hood and oral-nasal mask |
| 02/07/1989 | CA1249798A1 Liquid storage and delivery system for protective mask |
| 01/24/1989 | US4799477 Rebreathing mask |
| 01/17/1989 | US4799263 Speaking and hearing system for breathing apparatus |
| 01/10/1989 | US4796619 Lung-controlled valve for respirator masks having positive pressures inside the mask |
| 01/04/1989 | EP0297234A1 Protective helmet with a strapless breathing mask |