Klaus Kerk

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Griesheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Plastic crosscurrent heat exchanger
- Patent number 4,907,648
- Issue date Mar 13, 1990
- Rohm GmbH Chemische Fabrik
- Friedel Emmerich
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Construction including a supported element of extruded synthetic resin
- Patent number 4,569,166
- Issue date Feb 11, 1986
- Rohm GmbH
- Hans-Peter Buchmuller
- E04 - BUILDING
Information Patent Grant
Barrel-vault roofing element
- Patent number 4,422,268
- Issue date Dec 27, 1983
- Rohm GmbH
- Dieter Mueller
- E04 - BUILDING
Information Patent Grant
Rigid, one-piece, biaxially stretched shaped body of synthetic resi...
- Patent number 4,371,575
- Issue date Feb 1, 1983
- Rohm GmbH
- Klaus Kerk
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL