Individual holder
HILL CRAIG C
3 granted patents·119 citations·filing 1977–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0192US4157080AInternal combustion engine having compartmented combustion chamberHILL CRAIG C·Filed 1977·Granted Jun 5, 1979·65 cites·2 claims
- 0287US4138847AHeat recuperative engineHILL CRAIG C·Filed 1977·Granted Feb 13, 1979·45 cites·17 claims
- 0340US4228654AHeat recuperative engine with improved recuperatorHILL CRAIG C·Filed 1978·Granted Oct 21, 1980·9 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →