Hans-Dieter Ruprecht

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Koln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for coating a body rotating about an axis
- Patent number 5,601,881
- Issue date Feb 11, 1997
- Bayer Aktiengesellschaft
- Wolfgang Grimm
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Rotational molding process for insulating pipes
- Patent number 5,470,515
- Issue date Nov 28, 1995
- Bayer Aktiengesellschaft
- Wolfgang Grimm
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL