Helmut Duschanek

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Konigswinter, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for producing plastic moldings from a flowable r...
- Patent number 6,635,200
- Issue date Oct 21, 2003
- Hennecke GmbH
- Hans-Michael Sulzbach
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and device for producing foam casings with CFC-free polyure...
- Patent number 5,637,277
- Issue date Jun 10, 1997
- Maschinenfabrik Hennecke GmbH
- Ferdinand Althausen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for the production of a flowable reaction mix...
- Patent number 5,443,797
- Issue date Aug 22, 1995
- Maschinenfabrik Hennecke GmbH
- Ferdinand Proksa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for the production of a flowable reaction mix...
- Patent number 5,143,946
- Issue date Sep 1, 1992
- Maschinenfabrik Hennecke GmbH
- Ferdinand Proksa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process and an apparatus for the production of articles from reacti...
- Publication number 20060209623
- Publication date Sep 21, 2006
- Helmut Duschanek
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process and device for producing plastic moldings from a flowable r...
- Publication number 20020027306
- Publication date Mar 7, 2002
- Hans-Michael Sulzbach
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL