Gerhard M. Neumann

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Support and holding frame for air filtering elements
- Patent number 4,472,184
- Issue date Sep 18, 1984
- Delbag-Luftfilter GmbH
- Gerhard M. Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter elements arranged in waste tanks for separating substances w...
- Patent number 4,334,900
- Issue date Jun 15, 1982
- Delbag-Luftfilter GmbH
- Gerhard-Max Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter element
- Patent number 4,247,315
- Issue date Jan 27, 1981
- Delbag-Luftfilter GmbH
- Gerhard M. Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of mounting filter elements and mounting therefor
- Patent number 4,243,486
- Issue date Jan 6, 1981
- Delbag-Luftfilter GmbH
- Gerhard M. Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter bypass measurement section
- Patent number 4,197,098
- Issue date Apr 8, 1980
- Delbag-Luftfilter GmbH
- Hans H. Stiehl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of mounting filter elements and mounting therefor
- Patent number 4,193,844
- Issue date Mar 18, 1980
- Delbag-Luftfilter GmbH
- Gerhard M. Neumann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL