Inventor · disambiguated record
Hilmar Wittler
Also filed as: WITTLER HILMAR
5 granted patents·60 citations·filing 1976–1987
79Inventor score
Top patents by PatentIndex Score
5 records- 0182US4709794AElectromotive variable-speed and control drive particularly for use in industrial sewing machinesFRANKL & KIRCHNER·Filed 1986·Granted Dec 1, 1987·16 cites·4 claims
- 0275US4823926AElectric motor regulating and control drive having a clutch-brake unitFRANKL & KIRCHNER·Filed 1987·Granted Apr 25, 1989·23 cites·3 claims
- 0349US4712660AElectromotive variable-speed and control drive particularly for use in industrial sewing machinesFRANKL & KIRCHNER·Filed 1986·Granted Dec 15, 1987·16 cites·7 claims
- 0446US4009671AConvertible bed for sewing machinesSINGER CO·Filed 1976·Granted Mar 1, 1977·4 cites·3 claims
- 0532USD254850SPortable sewing machineSINGER CO·Filed 1978·Granted Apr 29, 1980·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →