Wolfgang Drews

Person

Reinfeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Respirator
- Patent number 5,765,549
- Issue date Jun 16, 1998
- Dragerwerk AG
- Gunther Kolbe
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Breathing mask
- Patent number 5,669,375
- Issue date Sep 23, 1997
- Dragerwerk Aktiengesellschaft
- Klaus-Dieter Dahrendorf
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Locking device for the container of a gas mask and breathing equipment
- Patent number 5,450,844
- Issue date Sep 19, 1995
- Dragerwerk AG
- Gunther Kolbe
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Air cleaning cartridge for a gas mask and breathing equipment with...
- Patent number 5,291,881
- Issue date Mar 8, 1994
- Dragerwerk Aktiengesellschaft
- Wolfgang Drews
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Respirator with several regeneration cartridges and breather bags
- Patent number 5,042,471
- Issue date Aug 27, 1991
- Dragerwerk Aktiengesellschaft
- Wolfgang Drews
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Closed-cycle breathing equipment
- Patent number 5,038,772
- Issue date Aug 13, 1991
- Dragerwerk Aktiengessellschaft
- Ernst-Gunther Kolbe
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Protective breathing device
- Patent number 4,821,711
- Issue date Apr 18, 1989
- Draegerwerk AG
- Wolfgang Eckstein
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Emergency oxygen supply unit with a respirator
- Patent number 4,766,893
- Issue date Aug 30, 1988
- Dragerwerk Aktiengesellschaft
- Wolfgang Drews
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Respirator having a respiratory regenerator with an area cooling po...
- Patent number 4,665,910
- Issue date May 19, 1987
- Dragerwerk AG
- Ernst-Gunter Kolbe
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Oxygen insufflation device
- Patent number 4,465,067
- Issue date Aug 14, 1984
- Dragerwerk Aktiengesellschaft
- Jochim Koch
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Wolfgang Drews

Person

Patents Grantslast 30 patents

Respirator

Breathing mask

Locking device for the container of a gas mask and breathing equipment

Air cleaning cartridge for a gas mask and breathing equipment with...

Respirator with several regeneration cartridges and breather bags

Closed-cycle breathing equipment

Protective breathing device

Emergency oxygen supply unit with a respirator

Respirator having a respiratory regenerator with an area cooling po...

Oxygen insufflation device