Inventor · disambiguated record
Hans W. Obrig
Also filed as: OBRIG HANS W
4 granted patents·59 citations·filing 1987–1987
75Inventor score
Top patents by PatentIndex Score
4 records- 0177US4866642AMethod and apparatus for determining the diameter of rail vehicle wheelsWILHELM HEGENSCHEIDT GES GMBH·Filed 1987·Granted Sep 12, 1989·41 cites·19 claims
- 0248US4799839AMethod and apparatus for performing a rotary broaching operation particularly on work pieces of rotational symmetryHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Jan 24, 1989·12 cites·23 claims
- 0332US4895057AMachine tool for broaching crankshaft connecting rod bearingsHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Jan 23, 1990·4 cites·8 claims
- 0429US4861204ATurn broaching toolHEGENSCHEIDT GMBH WILHELM·Filed 1987·Granted Aug 29, 1989·2 cites·16 claims
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