Ralf Hartmann

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of operating a rolling train and a control system for a roll...
- Patent number 6,601,422
- Issue date Aug 5, 2003
- SMS Demag Aktiengesellschaft
- Ralf Hartmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device for hydraulically adjusting the rollers of strand guiding se...
- Patent number 6,540,010
- Issue date Apr 1, 2003
- SMS Schloemann-Siemag Aktiengesellschaft
- Christian Geerkens
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for adjusting a continuous casting installation roll segment
- Patent number 6,386,268
- Issue date May 14, 2002
- SMS Schloemann-Siemag Aktiengesellschaft
- Axel Weyer
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Method of operating a rolling train and a control system for a roll...
- Publication number 20020112514
- Publication date Aug 22, 2002
- SMS DEMAG AKTIENGESELLSCHAFT
- Ralf Hartmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Rolling method for a profiled section, in particular, a flange sect...
- Publication number 20010023605
- Publication date Sep 27, 2001
- Ralf Hartmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Calibration method for a universal roll stand
- Publication number 20010020378
- Publication date Sep 13, 2001
- Ralf Hartmann
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...