Willi Hansen

Follow

Person

Erkelenz, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Rolling apparatus for surface hardening or smoothing
- Patent number 4,766,753
- Issue date Aug 30, 1988
- W. Hegenscheidt GmbH
- Garri Berstein
- B24 - GRINDING POLISHING
Information Patent Grant
Rolling apparatus
- Patent number 4,747,286
- Issue date May 31, 1988
- W. Hegenscheidt GmbH
- Garri Berstein
- B24 - GRINDING POLISHING
Information Patent Grant
Surface-hardening or smoothing rolling machine
- Patent number 4,747,285
- Issue date May 31, 1988
- W. Hegenscheidt GmbH
- Garri Berstein
- B24 - GRINDING POLISHING
Information Patent Grant
Method for setting the stroke of movable rolling units, and cranksh...
- Patent number 4,539,831
- Issue date Sep 10, 1985
- Wilhelm Hegenscheidt GmbH
- Garri Berstein
- B24 - GRINDING POLISHING
Information Patent Grant
Deep drilling machine
- Patent number 4,405,266
- Issue date Sep 20, 1983
- Wilhelm Hegenscheidt Gesellshaft mbH
- Willi Hansen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Boring tool with floating double edged knife
- Patent number 4,195,957
- Issue date Apr 1, 1980
- Wilhelm Hegenscheidt Gesellschaft mit beschraenkter Haftung
- Helmut Wittkopp
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR