| 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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| 05/03/1994 | US5307793 Microphone signal attenuating apparatus for oxygen masks |
| 04/19/1994 | US5303701 Blower-supported gas mask and breathing equipment with an attachable control part |
| 04/12/1994 | US5301668 Field of view underwater diving computer monitoring and display system |
| 04/12/1994 | CA1328376C Low-flow alarm system for powered air-purifying respirator |
| 04/07/1994 | DE4307754A1 System und Verfahren zum kontrollierten Zuführen oder Abführen von Atemluft System and method for controllably supplying or removing breath |
| 03/30/1994 | EP0368916B1 Respiratory mask |
| 03/29/1994 | US5297944 Inflatable pump and article |
| 03/29/1994 | US5297544 Respirator with inner half mask and pollutant indicator |
| 03/24/1994 | EP0587745A4 Viewing window protector. |
| 03/23/1994 | EP0587745A1 Viewing window protector |
| 03/23/1994 | CN2159235Y Face mask against toxic airs |
| 03/23/1994 | CN1084048A Attachment arrangement |
| 03/17/1994 | WO1994005372A1 Communication device for use with a respiratory unit |
| 03/17/1994 | WO1994005175A1 A combination of a helmet and a respirator and a method for using it |
| 03/09/1994 | EP0585324A1 Facial breathing mask |
| 03/08/1994 | US5291880 Protective helmet with protective facepiece connection and adjustment provision |
| 03/03/1994 | WO1994004069A1 Attachment arrangement |
| 03/03/1994 | CA2141950A1 Attachment arrangement |
| 03/02/1994 | CN2157797Y Anti-dust poison mask with gas-filled sealing skeleton |
| 02/18/1994 | CA2076256A1 Fire-protecting suit |
| 02/17/1994 | WO1994003361A1 Diver's microphone mask |
| 02/17/1994 | WO1994003235A1 Helmet respirator apparatus |
| 02/17/1994 | CA2141336A1 Helmet respirator apparatus |
| 02/16/1994 | EP0582612A1 Protective respirator's air guidance system and protective respirator. |
| 02/08/1994 | US5283914 Protective helmets |
| 02/03/1994 | WO1994002190A1 Process and system of controllable breathing air supply or evacuation |
| 01/26/1994 | EP0580556A1 Device for the protection of the human head against external elements |
| 01/20/1994 | WO1994001678A1 Inflatable pump and article |
| 01/20/1994 | WO1994001178A1 An oxygen supply system |
| 01/20/1994 | CA2139640A1 Inflatable pump and article |
| 01/18/1994 | US5279286 Mask |
| 01/13/1994 | DE4222822A1 Breathing air filter system for bicycle or motor cycle rider - has ventilator electrically or mechanically connected to generator or rotating part of two wheeled road vehicle and is fixed in or at crash helmet or vehicle |
| 01/11/1994 | US5277179 Diver's microphone mask |
| 01/06/1994 | WO1994000196A1 Personal humidifying apparatus |
| 12/28/1993 | US5273030 Chest-mounted breathing gas terminal block assembly |
| 12/24/1993 | CA2072063A1 Improvements in or relating to protective helmets |
| 12/23/1993 | WO1993025275A1 Oxygen masks |
| 12/09/1993 | WO1993024181A1 Unidirectional fluid valve |
| 12/09/1993 | WO1993024168A1 Portable air conditioner |
| 12/09/1993 | CA2137006A1 Portable air conditioner |
| 12/07/1993 | US5267557 Nose mask with a filtering device |
| 11/30/1993 | US5265597 Passenger oxygen mask having a plurality of fingers and recesses for mounting the mask to an oxygen bag |
| 11/23/1993 | US5263477 Chemical and biological warfare filter injector mechanism |
| 11/16/1993 | US5261398 Dental eye shield with link mounting feet for attaching to mask |
| 11/11/1993 | WO1993021994A1 Breathing equipment for aircrew |
| 11/03/1993 | EP0567956A1 Chemical and biological warfare filter injector mechanism |
| 10/20/1993 | EP0566400A1 Speech diaphragm and exhalation valve |
| 10/12/1993 | CA1322969C Respiratory mask having a rigid or semi-rigid, insert- molded filtration element and method of making |
| 10/05/1993 | US5249570 Equine/canine hemoglobin-oxygen training mask |
| 09/23/1993 | DE4306632A1 Adaptor for connecting fan to breathing protection mask - incorporates short air inlet duct to reduce air flow resistance |
| 09/21/1993 | US5245994 Air cleaning and supplying system equipped to a helmet for a motorcyclist |
| 09/14/1993 | US5243972 Smoke-proof mask |
| 09/01/1993 | EP0558147A1 Face mask assembly and method |
| 08/27/1993 | CA2090741A1 Face mask assembly and method |
| 08/25/1993 | CN2140766Y Multi-functional health respirator |
| 08/24/1993 | US5237986 Respirator harness assembly |
| 08/24/1993 | US5237707 Safety helmets |
| 08/17/1993 | US5235972 Breathing mask apparatus |
| 08/13/1993 | CA2061073A1 Mask with means for passing out the expiration of air |
| 08/05/1993 | WO1993014819A1 Protective respiratory device |
| 08/05/1993 | WO1993014818A1 Individual protective and breathing equipment for contaminated environments |
| 08/03/1993 | US5231982 Molded nosecup valve assembly |
| 07/29/1993 | DE4202025A1 Fan assisted respirator with protective mask and filter connection - houses filter inserts of different filter characteristics through which breathable air supplied by electric motor driven fan is fed inside mask |
| 07/21/1993 | CN2138488Y Portable dust-remove poison filter for welding worker |
| 07/14/1993 | EP0550881A1 Chest-mounted breathing gas terminal block assembly |
| 07/13/1993 | US5226412 Emergency respirator |
| 07/07/1993 | EP0549620A1 Filter spool for a respirator |
| 07/06/1993 | US5224474 Retrofitting gas mask voice amplifier unit with easily actuated switch means |
| 07/06/1993 | US5224473 Retrofitting gas mask voice amplifier unit with easily actuated switch means |
| 06/15/1993 | US5219368 Bladder-cushioned helmet assembly |
| 06/09/1993 | EP0545182A1 Protective helmet |
| 06/09/1993 | EP0482023B1 Molded nosecup valve assembly |
| 05/26/1993 | EP0543174A1 Half mask |
| 05/22/1993 | CA2057812A1 Detachable inhalation valve device for a respirator filter assembly |
| 05/19/1993 | EP0541569A1 Improved breathing equipment for aircrew. |
| 05/05/1993 | CN2131547Y Air cleaning cover for face |
| 05/05/1993 | CN2131481Y Protective isolating mask |
| 04/29/1993 | WO1993007933A1 Air purifying respirator suspension |
| 04/20/1993 | US5203035 Vision clearing device |
| 04/15/1993 | DE4133653A1 Close fitting breathing production mask - is fastened to wearer's helmet by spring loaded clamp |
| 04/14/1993 | EP0536546A1 Blower assisted breathing protection apparatus with attachable control member |
| 04/07/1993 | EP0535385A1 Breathing protection mask with inner half-mask and noxious matter indicator |
| 03/24/1993 | EP0532574A1 Respirator |
| 03/16/1993 | US5193347 Helmet-mounted air system for personal comfort |
| 03/09/1993 | US5191882 Apparatus for enabling a strapless breathing mask to be worn without a protective helmet |
| 02/24/1993 | EP0528733A1 Pollutants breathing protection equipment |
| 02/16/1993 | US5186165 Filtering canister with deployable hood and mouthpiece |
| 02/04/1993 | WO1993001854A1 Anaesthetic mask for infants |
| 02/03/1993 | EP0524921A1 Improvements in or relating to safety helmets |
| 01/26/1993 | US5181507 Air purifying respirator suspension |
| 01/26/1993 | US5181506 Multilayer protective gas mask |
| 01/07/1993 | WO1993000134A1 Field of view underwater dive computer system |
| 01/07/1993 | EP0521829A1 Portable breathing air apparatus |
| 12/30/1992 | EP0444028B1 Self-contained breathing apparatus |
| 12/23/1992 | EP0519621A1 Speech transmitter |
| 12/16/1992 | EP0518538A2 Motor control system |
| 12/15/1992 | CA1311423C Moulded speech transmitter |
| 12/08/1992 | CA1311088C Cold weather mask with under-chin spacer |
| 12/06/1992 | WO1992021408A1 Personal disposable emergency breathing system |
| 12/02/1992 | EP0515986A1 Breathing mask |