Inventor · disambiguated record
Ewald Eisend
Also filed as: EISEND EWALD
4 granted patents·96 citations·filing 1974–1980
79Inventor score
Files withFICHTEL & SACHS AG4
Top patents by PatentIndex Score
4 records- 0180US4363390ARatchet gear for the driving hub of a bicycleFICHTEL & SACHS AG·Filed 1980·Granted Dec 14, 1982·39 cites·5 claims
- 0272US3937309AMultiple speed hub for a bicycle and like vehicleFICHTEL & SACHS AG·Filed 1974·Granted Feb 10, 1976·26 cites·5 claims
- 0362US4059028AMultiple speed hub with coaster brakeFICHTEL & SACHS AG·Filed 1976·Granted Nov 22, 1977·19 cites·10 claims
- 0449US4343613ADerailler systemFICHTEL & SACHS AG·Filed 1980·Granted Aug 10, 1982·12 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →