| 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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| 12/27/1988 | US4793343 Respiratory heated face mask |
| 12/13/1988 | US4790306 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making |
| 12/01/1988 | WO1988009193A1 Arrangement in protective mask |
| 11/23/1988 | EP0292432A1 Device for allowing the consumption of liquids whilst wearing a breathing mask |
| 11/17/1988 | EP0291450A2 Protective mask, especially for military purposes |
| 11/15/1988 | US4784131 Pollen protection device |
| 11/09/1988 | EP0289940A2 Protecting mask comprising windows suitable for the usage of optical devices |
| 11/01/1988 | CA1243963A1 Molded nonwoven shaped articles |
| 10/26/1988 | EP0288391A1 Harness for a breathing mask and mask for use with such a harness |
| 09/28/1988 | EP0284353A2 Unidirectional fluid valve |
| 09/22/1988 | DE3708077A1 Valve which can be opened by inserting a tubular body |
| 09/20/1988 | US4771771 Gas mask having a protective hood |
| 09/14/1988 | EP0282205A1 Improved helmet |
| 09/07/1988 | WO1988006468A1 Respiratory protective device |
| 09/07/1988 | EP0281275A2 High efficiency respirator |
| 08/23/1988 | US4765326 Low-flow alarm system for powdered air-purifying respirator |
| 08/23/1988 | US4764990 Ventilated face shield |
| 08/09/1988 | US4763077 Sensor circuit responsive to different fluid conductivities |
| 08/03/1988 | EP0276216A1 Respirator |
| 08/03/1988 | CN86107621B Lung controlled membrance valve |
| 08/02/1988 | CA1239847A1 Emergency mask |
| 07/27/1988 | EP0275934A2 Emergency protection hood |
| 07/12/1988 | US4756308 Protective breathing mask having a speaking diaphragm for close communication and an electroacoustic transducer system for indirect speech transmission from inside the mask |
| 06/28/1988 | US4752974 Air-feed type dust protective helmet |
| 06/07/1988 | US4748695 Face shield assembly |
| 06/07/1988 | CA1237625A1 Breathing apparatus |
| 06/01/1988 | EP0268853A1 Filter against microorganisms and inorganic fine particles |
| 05/18/1988 | EP0267428A1 Breathing mask |
| 05/11/1988 | EP0266456A1 Respiratory face mask |
| 05/05/1988 | WO1988003036A1 Mask |
| 04/27/1988 | EP0264772A1 Respirator |
| 04/26/1988 | US4739755 For filtering or purifying air |
| 04/13/1988 | EP0263461A1 Drinking container for use with ABC protection masks |
| 04/12/1988 | US4736740 Gas mask with voice communication device |
| 04/12/1988 | CA1235040A1 Mask assembly |
| 04/05/1988 | US4734940 Device for affixing a respiratory mask onto a protection helmet |
| 03/22/1988 | CA1234252A1 Ergonomic helmet means |
| 03/16/1988 | EP0259908A2 Accessory for gas masks, and gas masks equipped therewith |
| 03/15/1988 | US4730612 Helmet with auxiliary, electrically operated service |
| 03/09/1988 | EP0258508A1 Replaceable filter respirator |
| 02/23/1988 | US4726174 Grooming mask |
| 02/03/1988 | EP0255387A2 Respiratory device |
| 01/27/1988 | EP0254548A2 Improvements in gaseous fluid flow valves |
| 01/21/1988 | DE3623269A1 Protective mask |
| 01/13/1988 | EP0252891A1 Exhalation valve device for protective face mask |
| 01/13/1988 | EP0252890A1 Valve device |
| 01/13/1988 | EP0252281A1 Breathing protection apparatus with signal processing unit |
| 01/12/1988 | US4718415 Breathing mask having a transducer movable parts coupled to a speaking diaphragm for speech transmission |
| 01/07/1988 | EP0252052A1 Inner mask for protective face mask |
| 01/07/1988 | EP0250894A1 Spectacles holder for protective masks |
| 01/05/1988 | USH397 Modified bubble inturn mask periphery |
| 12/29/1987 | US4715371 Lung-controlled diaphragm valve |
| 12/29/1987 | CA1230701A1 Protective apparatus |
| 12/23/1987 | CN86209632U Sewage gas protective mask |
| 12/16/1987 | EP0249124A2 Filter casing for respirator masks |
| 12/16/1987 | CN86206813U Improved industrial mask |
| 12/15/1987 | US4712594 Liquid storage and delivery system for protective mask |
| 12/08/1987 | USRE32553 Exhalation valve assembly |
| 12/08/1987 | US4711539 Support structure for protective mask optical insert |
| 12/01/1987 | US4709696 Sight correction attachment for respirators |
| 11/25/1987 | EP0246444A2 Warning device for indicating the state of exhaustion of a gas filter |
| 11/25/1987 | EP0246306A1 A non-invasive, quantitative method for fit testing respirators and corresponding respirator apparatus |
| 10/15/1987 | DE3701375A1 Cap for an exhalation valve |
| 10/14/1987 | EP0241221A1 Resilient shape-retaining fibrous filtration face mask |
| 10/14/1987 | EP0241188A1 Improvements in and relating to breathing apparatus |
| 09/30/1987 | EP0238937A1 Speech and hearing device for breathing apparatuses |
| 09/23/1987 | EP0238129A1 Gas mask |
| 09/15/1987 | US4693242 Coupling connectors for respirator masks |
| 09/09/1987 | EP0236240A1 Breathing mask fixing system for protective helmet |
| 09/08/1987 | CA1226505A1 Protective mask for airborne toxic substances |
| 09/02/1987 | EP0234746A1 Mask |
| 09/01/1987 | US4689837 Eye shield with face engaging seal |
| 08/25/1987 | US4688567 Gas mask |
| 08/18/1987 | US4686976 Safety mask |
| 08/05/1987 | CN86107621A Lung controlled membrane valve |
| 08/04/1987 | US4684380 Respiration equipment; protection from toxic gases |
| 07/07/1987 | US4677977 Mask for pressure breathing |
| 07/07/1987 | US4677976 Emergency mask |
| 07/07/1987 | US4677713 Oronasal mask assemblies |
| 06/30/1987 | US4676236 Helmet airflow system |
| 06/16/1987 | EP0225744A1 Powered respirators |
| 06/09/1987 | US4671268 Cold weather breathing mask |
| 06/03/1987 | EP0223808A1 Protection hood against smokes and hypoxy. |
| 05/21/1987 | WO1987002898A1 A non-invasive, quantitative method for fit testing respirators and corresponding respirator apparatus |
| 05/19/1987 | US4665570 Face mask seal |
| 05/13/1987 | EP0221525A2 Lung-controlled diaphragm for breath protection masks |
| 05/12/1987 | US4664108 Oxygen supply system and device therefor |
| 04/15/1987 | EP0218348A1 Respirators incorporating bonded adsorbant structures |
| 04/09/1987 | WO1987001950A1 Respirator |
| 03/17/1987 | US4649715 Air conditioned apron |
| 03/10/1987 | US4648394 For use with a respirator |
| 03/10/1987 | US4648138 Retention and quick release mechanism |
| 03/10/1987 | CA1218913A1 Emergency mask |
| 03/03/1987 | US4646732 Circulative respiratory mask |
| 03/03/1987 | CA1218579A1 Breathing apparatus |
| 02/17/1987 | US4643182 Nonwoven glass fibers, polystyrene, pet, polyvinyl alcohol and gas adsorbent |
| 02/17/1987 | CA1217990A1 Combined pressure compensating exhalation and anti- suffocation valve |
| 01/20/1987 | US4637387 Breathing apparatus |
| 12/30/1986 | EP0206109A2 Apparatus for supporting a protective mask optical insert |
| 12/23/1986 | US4630604 Valve assembly for a replaceable filter respirator |