Inventor · disambiguated record
Helmut Darda
Also filed as: DARDA HELMUT
7 granted patents·69 citations·filing 1972–1988
84Inventor score
Files withDARDA HELMUT7
Top patents by PatentIndex Score
7 records- 0162US3981098AToy vehicle with component for storing energy in response to motion in opposite directionsDARDA HELMUT·Filed 1972·Granted Sep 21, 1976·21 cites·48 claims
- 0256US3995906ARock-splitting apparatusDARDA HELMUT·Filed 1975·Granted Dec 7, 1976·9 cites·21 claims
- 0353US4053029ASpring drive mechanism, particularly for mobile toysDARDA HELMUT·Filed 1975·Granted Oct 11, 1977·12 cites·18 claims
- 0448US4683986ASpring drive for toy vehiclesDARDA HELMUT·Filed 1985·Granted Aug 4, 1987·17 cites·9 claims
- 0544USD248682SToy autoDARDA HELMUT·Filed 1975·Granted Jul 25, 1978·3 cites·1 claims
- 0635US3957309AApparatus for mechanically breaking up rockDARDA HELMUT·Filed 1974·Granted May 18, 1976·7 cites·13 claims
- 0727US4832156ASpring motorDARDA HELMUT·Filed 1988·Granted May 23, 1989·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →