Werner Dietrich

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Cologne-Dellbrueck, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and laminator for the continuous production of laminates of...
- Patent number 4,804,425
- Issue date Feb 14, 1989
- Bayer Aktiengesellschaft
- Erwin Hoffmann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Equipment for the continuous production of foam boards
- Patent number 4,264,291
- Issue date Apr 28, 1981
- Bayer Aktiengesellschaft
- Erwin Hoffmann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mix head for the production of a foamable reaction mixture from flu...
- Patent number 4,260,266
- Issue date Apr 7, 1981
- Bayer Aktiengesellschaft
- Rudolf Rudhart
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Equipment for the continuous production of foam boards
- Patent number 4,255,105
- Issue date Mar 10, 1981
- Bayer Aktiengesellschaft
- Erwin Hoffmann
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL