Rudolf Kellersohn

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Hamminkeln, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for producing extrudates from ultra-high molecul...
- Patent number 5,449,484
- Issue date Sep 12, 1995
- Hoechst Aktiengesellschaft
- Meinhard Gusik
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for heated tool butt welding of tube and pipe of thermoplast...
- Patent number 4,288,266
- Issue date Sep 8, 1981
- Ruhrchemie Aktiengesellschaft
- Klaus-Dieter Konrad
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL