Wolfgang Marquardt

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Snohomisch, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rail section for a container of an oxygen supply unit
- Patent number 5,598,997
- Issue date Feb 4, 1997
- Dragerwerk AG
- Wolfgang Marquardt
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Hinge for a foldable rail section for mounting a container of an ox...
- Patent number 5,311,643
- Issue date May 17, 1994
- Dragerwerk AG
- Wolfgang Marquardt
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Respirator with a protective covering of coated fabric
- Patent number 5,119,808
- Issue date Jun 9, 1992
- Dragerwerk Aktiengesellschaft
- Wolfgang Marquardt
- B32 - LAYERED PRODUCTS
Information Patent Grant
Sprayable composition using acetone solvent
- Patent number 5,040,530
- Issue date Aug 20, 1991
- Dragerwerk Aktiengesellschaft
- Christoph Bauer
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
PASSENGER OXYGEN MASK
- Publication number 20120227743
- Publication date Sep 13, 2012
- B/E AEROSPACE SYSTEMS GMBH
- Wolfgang RITTNER
- A62 - LIFE-SAVING FIRE-FIGHTING