Ralf Davids

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Illingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Screw-type processing plant with elongation and expansion compensat...
- Patent number 7,547,132
- Issue date Jun 16, 2009
- Coperion GmbH
- Ralf Davids
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Power distribution gearing for double helix extruders
- Patent number 4,297,917
- Issue date Nov 3, 1981
- Werner & Pfleiderer
- Erwin Bauer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
MATERIAL PROCESSING PLANT
- Publication number 20080124420
- Publication date May 29, 2008
- Ralf Davids
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL