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Theodor Dombrowski
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Erkelenz, DE
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last 30 patents
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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
Information
Patent Grant
Method and apparatus for reprofiling wheels
Patent number
4,597,143
Issue date
Jul 1, 1986
Wilhelm Hegenscheidt Gesellschaft mbH
Theodor Dombrowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lathe machine for turning wheel sets, especially sets of railroad w...
Patent number
4,399,724
Issue date
Aug 23, 1983
Wilhelm Hegenscheidt Gesellschaft mgH
Theodor Dombrowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Underfloor lathe for profiling wheel sets
Patent number
4,347,769
Issue date
Sep 7, 1982
Wilhelm Hegenscheidt Gesellschaft mbH
Theodor Dombrowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and apparatus for centering a wheel set
Patent number
4,116,094
Issue date
Sep 26, 1978
Wilhelm Hegenscheidt Gesellschaft mbH
Theodor Dombrowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR