Ralf Ohrndorf

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Hilchenbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Rolling mill for rolling metallic material
- Patent number 8,230,711
- Issue date Jul 31, 2012
- SMS Siemag Aktiengesellschaft
- Armin Klapdor
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and device for applying an adjustable tensile-stress distrib...
- Patent number 7,434,435
- Issue date Oct 14, 2008
- SMS Demag AG
- Hans-Peter Richter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Rolling Mill For Rolling Metallic Material
- Publication number 20080209970
- Publication date Sep 4, 2008
- SMS DEMAG AKTIENGESELLSCHAFT
- Arim Klapdor
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method and device for applying an adjustable tensile-stress distrib...
- Publication number 20070186609
- Publication date Aug 16, 2007
- Hans-Peter Richter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...