Reinhard Friedrich

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Dachtel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for mixing and continuous extrusion of a plast...
- Patent number 4,938,605
- Issue date Jul 3, 1990
- Werner & Pfleiderer GmbH
- Reinhard Friedrich
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of and apparatus for controlling the viscosity of molten pla...
- Patent number 4,213,747
- Issue date Jul 22, 1980
- Werner & Pfleiderer
- Reinhard Friedrich
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL