Hartwig Klosterhalfen

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Duren, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for influencing the motion of a movable member
- Patent number 4,939,962
- Issue date Jul 10, 1990
- Wilhelm Hegenscheidt Gesellschaft mbH
- Helmut Wittkopp
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for ascertaining the radial location of a new...
- Patent number 4,802,285
- Issue date Feb 7, 1989
- Wilhelm Hegenscheidt GmbH
- Herbert Ligacz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for reprofiling profiles of wheel sets
- Patent number 4,711,146
- Issue date Dec 8, 1987
- W. Hegenscheidt GmbH
- Dieter Lung
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for achieving chip separation while machining...
- Patent number 4,693,146
- Issue date Sep 15, 1987
- Wilhelm Hegenscheidt Gesellschaft mbH
- Theodor Dombrowski
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for achieving chip separation while machining work pieces
- Patent number 4,667,546
- Issue date May 26, 1987
- Wilhelm Hegenscheidt Gesellschaft mbH
- Theodor Dombrowski
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR