Bernhard Rolf

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Harsewinkel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacturing of a shaft with a larger diameter flange
- Patent number 6,334,349
- Issue date Jan 1, 2002
- Leico GmbH & Co. Werkzeugmaschinenbau
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for the manufacture of a gear part
- Patent number 5,927,121
- Issue date Jul 27, 1999
- Leico GmbH & Co. Werkzeugmaschinenbau
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for the manufacture of a workpiece having a boss
- Patent number 5,806,358
- Issue date Sep 15, 1998
- Leico GmbH & Co. Werkzeugmaschinenbau
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Method for forming a groove and flow-forming machine
- Publication number 20040065129
- Publication date Apr 8, 2004
- Leico GmbH & Co. Werkzeugmaschinenbau
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method and a press cylinder device for producing a hollow body
- Publication number 20030019269
- Publication date Jan 30, 2003
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for forming a groove and flow- forming machine
- Publication number 20020020203
- Publication date Feb 21, 2002
- Leico GmbH & Co. Werkzeugmaschinenbau
- Bernhard Rolf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...