Inventor · disambiguated record
Hans H. Doyen
Also filed as: DOYEN HANS H · DOYEN HANS-HENNING
3 granted patents·42 citations·filing 1984–1987
71Inventor score
Files withSCHMIDT ALFRED ING GMBH3
Top patents by PatentIndex Score
3 records- 0171US4631910AMower, especially for grass at airportsSCHMIDT ALFRED ING GMBH·Filed 1984·Granted Dec 30, 1986·25 cites·4 claims
- 0254US4632200ADrive system on a carrier vehicle for various implements attached on the front or rearSCHMIDT ALFRED ING GMBH·Filed 1984·Granted Dec 30, 1986·14 cites·6 claims
- 0326US4796327AApparatus for picking up dog excrementSCHMIDT ALFRED ING GMBH·Filed 1987·Granted Jan 10, 1989·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →