Inventor · disambiguated record
Hans J. Schwerdhofer
Also filed as: SCHWERDHOEFER HANS J · SCHWERDHOEFER HANS-JOACHIM
4 granted patents·46 citations·filing 1977–1987
76Inventor score
Top patents by PatentIndex Score
4 records- 0163US4229997AMultiple speed hub for a bicycle with centrifugally controlled speed change and override mechanism actuated by back pedalingFICHTEL & SACHS AG·Filed 1977·Granted Oct 28, 1980·18 cites·18 claims
- 0248US4270411AWashing machine drive assemblyFICHTEL & SACHS AG·Filed 1979·Granted Jun 2, 1981·15 cites·19 claims
- 0335US4820979AElectronic instrument unit for use on a bicycle having a signal receiver on both sides of the unitHURET SACHS SA·Filed 1987·Granted Apr 11, 1989·8 cites·19 claims
- 0432US4349342AChain shifting deviceFICHTEL & SACHS AG·Filed 1980·Granted Sep 14, 1982·5 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →