Inventor · disambiguated record
David C. Hamstra
Also filed as: HAMSTRA DAVID C
5 granted patents·112 citations·filing 1974–1977
80Inventor score
Top patents by PatentIndex Score
5 records- 0191US4072934AMethod and apparatus for detecting a blockage in a vapor flow lineWYLAIN INC·Filed 1977·Granted Feb 7, 1978·73 cites·24 claims
- 0270US4052624ARamp and pedestal control circuitGEN ELECTRIC·Filed 1976·Granted Oct 4, 1977·14 cites·6 claims
- 0370US4011498AControlling circuitGEN ELECTRIC·Filed 1975·Granted Mar 8, 1977·20 cites·10 claims
- 0436US3936706AControl circuitGEN ELECTRIC·Filed 1974·Granted Feb 3, 1976·4 cites·15 claims
- 0528US3937922AControl systemGEN ELECTRIC·Filed 1974·Granted Feb 10, 1976·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →