Individual holder
PERKINS EUGENE W
5 granted patents·177 citations·filing 1983–1987
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0192US4798176AApparatus for frictionally heating liquidPERKINS EUGENE W·Filed 1987·Granted Jan 17, 1989·74 cites·7 claims
- 0283US4779575ALiquid friction heating apparatusPERKINS EUGENE W·Filed 1987·Granted Oct 25, 1988·45 cites·8 claims
- 0369US4501231AHeating system with liquid pre-heatingPERKINS EUGENE W·Filed 1983·Granted Feb 26, 1985·23 cites·2 claims
- 0467US4483277ASuperheated liquid heating systemPERKINS EUGENE W·Filed 1983·Granted Nov 20, 1984·21 cites·2 claims
- 0555US4651681AHeating system using a liquid heater as the source of heatPERKINS EUGENE W·Filed 1983·Granted Mar 24, 1987·14 cites·1 claims
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