Patents
Patents for A62B 18 - Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes (6,940)
05/1990
05/31/1990WO1990005564A1 Self-contained breathing apparatus
05/23/1990EP0368916A1 Respiratory mask.
05/22/1990US4926854 Protective helmet with a strapless breathing protection mask
05/22/1990US4926853 Gas mask nose occluder
05/17/1990DE3838531A1 Device for the detection of infected and poisoned breathing air
05/08/1990CA1268686A1 Valve for respirator
05/03/1990WO1990004908A1 Headgear and clamp for positioning audio transducer
05/02/1990EP0366409A2 Sight corrective lens mounting system for respirators
05/01/1990US4920960 Body fluids barrier mask
04/1990
04/18/1990EP0363530A1 Respirator
04/10/1990US4915106 Crew oxygen mask with pneumatic comfort adjustment
04/10/1990US4915105 Miniature respiratory apparatus
04/10/1990US4915099 Moulded speech transmitter
04/10/1990US4914957 Leak test adaptor apparatus for facilitating leak testing face mask respirators
03/1990
03/20/1990CA1266854A1 Bonded adsorbent structures and respirators incorporating same
03/13/1990US4907584 Respiratory mask
03/08/1990WO1990002078A1 Simplified respirator
03/06/1990US4905687 Method and apparatus for regulating air supplied to a gas mask
03/06/1990US4905683 Respirator mask for positive pressure respirator equipment
02/1990
02/27/1990US4903694 Ventilating apparatus for a protective suit
02/27/1990CA1266151A1 Oronasal mask assemblies
02/20/1990US4901715 Apparatus and method for breathing through the soil-stack during a high-rise fire
02/13/1990US4901356 For a protective face mask
02/13/1990US4899740 Respirator system for use with a hood or face mask
01/1990
01/31/1990EP0352938A2 Breathing apparatus
01/24/1990EP0352113A2 Forced-ventilation filtration device
01/10/1990EP0350322A2 Head harness
01/09/1990US4892094 Pressure responsive diaphragm valve
01/03/1990EP0349191A2 Powered respirators
01/02/1990CA1264101A1 Helmet with auxiliary, electrically operated service
12/1989
12/26/1989US4889113 Hood for protecting against smoke and hypoxia
12/20/1989EP0192650B1 Respirator harness assembly
12/13/1989EP0345479A1 Regulator for breathing apparatus
12/12/1989US4886058 Filter element
12/12/1989US4886056 Breathing apparatus
11/1989
11/29/1989EP0343521A2 Breath protection mask
11/23/1989EP0342807A2 Filter element
11/21/1989US4881538 Respirator air guide
11/09/1989DE3814070A1 Oxygen respiratory device, especially for use in mining operations
10/1989
10/25/1989EP0338714A2 Safety visors
10/25/1989EP0338234A2 A humidification face mask
10/24/1989US4875477 Protective mask having a built-in sensor for monitoring vital functions
10/17/1989US4873972 Disposable filter respirator with inner molded face flange
10/17/1989US4873970 Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases
10/12/1989DE3809408A1 Filter
10/12/1989DE3809405A1 Battery-operated ventilation apparatus for a breathing protection mask
10/11/1989EP0336834A1 Helmet breathing mask attachment device
10/11/1989EP0336518A2 Portable smoke and gas dispeller
09/1989
09/27/1989EP0334555A2 Breathing apparatus
09/27/1989EP0334098A1 Battery pack
09/26/1989US4869245 Automatic release mechanism for a breathing mask
09/26/1989US4869244 Valve-talking device
09/13/1989EP0332605A2 Protective garment ventilation device
09/08/1989WO1989007961A1 Crew oxygen mask with pneumatic comfort adjustment
08/1989
08/30/1989EP0329941A2 Gas mask for operation in contaminated areas
08/16/1989EP0327643A1 Protective hood and oral-nasal mask
08/16/1989CN2042674U Semi-body dust-proof air pressure adjustable breathing mask and device
08/02/1989EP0325959A2 Safety helmet
08/01/1989US4852562 Helmet
07/1989
07/25/1989US4850346 Respirator
07/18/1989US4848334 Mask
06/1989
06/27/1989US4841963 Accessory for gas masks and gas masks equipped therewith
06/20/1989US4840169 Ventilation system for artists
06/14/1989EP0320125A1 Air guidance in respirators
06/14/1989EP0319612A1 Device affording breathing and speaking, particularly for breath-protection masks
06/14/1989CN1004468B Valve for respirator
06/13/1989US4838262 Exhalation valve
05/1989
05/24/1989EP0317195A1 Eyepiece protector for respirators
05/23/1989US4832018 Filter case holder
05/23/1989US4832017 Breathing mask
05/17/1989EP0316291A1 A face protecting mask intended to be used in general medicine and more particularly in surgery
05/17/1989EP0315881A2 Filter breathing protection device
05/17/1989CN2037837U Face-ear guard used during setting off fireworks and firecrackers
05/10/1989CN2037220U Anti-fume welding helmet
05/09/1989US4827924 High efficiency respirator
05/02/1989US4825474 Cold weather mask
04/1989
04/25/1989US4823785 Device associated with a breathing mask for allowing the introduction of liquid substances for the user, and the associated breathing mask
04/13/1989DE3733003A1 Pollen protection device
04/12/1989EP0311516A1 Connection piece for a breathing mask and mask presenting such a piece
04/11/1989CA1252396A1 Molded fibrous filtration products
04/04/1989US4817596 Helmet for use with respirator mask
03/1989
03/29/1989EP0309277A2 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making
03/28/1989US4815458 Protective breathing apparatus
03/23/1989WO1989002293A1 Breathing apparatus
03/21/1989CA1251375A1 Escape hood packaging unit
03/14/1989US4811728 Respirator hood
03/01/1989EP0304641A1 Protective mask
02/1989
02/28/1989US4807619 Resilient shape-retaining fibrous filtration face mask
02/28/1989US4807614 For emergencies
02/15/1989EP0303090A1 Seal for protective masks
02/15/1989EP0303056A1 Safety face mask with integrated sensor for monitoring live functions
02/14/1989US4803980 Automatic breathing mask release mechanism
02/14/1989US4803979 Pulsating water and air jet structure for cleaning helmet window
02/09/1989WO1989000874A1 Respiratory mask
02/09/1989WO1989000873A1 Protective hood and oral-nasal mask
02/07/1989CA1249798A1 Liquid storage and delivery system for protective mask
01/1989
01/24/1989US4799477 Rebreathing mask
01/17/1989US4799263 Speaking and hearing system for breathing apparatus
01/10/1989US4796619 Lung-controlled valve for respirator masks having positive pressures inside the mask
01/04/1989EP0297234A1 Protective helmet with a strapless breathing mask
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