Assignee
PURIFICATION SCIENCES INC
13 granted patents·446 citations·filing 1973–1980
Top patents by PatentIndex Score
13 records- 0197US4330732APlasma ceramic coating to supply uniform sparking action in combustion enginesPURIFICATION SCIENCES INC·Filed 1980·Granted May 18, 1982·68 cites·5 claims
- 0297US4215659AInternal combustion enginePURIFICATION SCIENCES INC·Filed 1978·Granted Aug 5, 1980·67 cites·63 claims
- 0393US4290268AVehicle braking and kinetic energy recovery systemPURIFICATION SCIENCES INC·Filed 1978·Granted Sep 22, 1981·77 cites·23 claims
- 0488US4240381AInternal combustion engine systemPURIFICATION SCIENCES INC·Filed 1979·Granted Dec 23, 1980·34 cites·52 claims
- 0587US3954586ACorona generator method and apparatusPURIFICATION SCIENCES INC·Filed 1973·Granted May 4, 1976·27 cites·14 claims
- 0686US4300486AInternal combustion engine system technical fieldPURIFICATION SCIENCES INC·Filed 1979·Granted Nov 17, 1981·31 cites·15 claims
- 0786US3996474ACorona generator apparatusPURIFICATION SCIENCES INC·Filed 1975·Granted Dec 7, 1976·35 cites·2 claims
- 0879US4230075AInternal combustion enginePURIFICATION SCIENCES INC·Filed 1978·Granted Oct 28, 1980·24 cites·8 claims
- 0969US3984697ACorona generatorPURIFICATION SCIENCES INC·Filed 1975·Granted Oct 5, 1976·17 cites·22 claims
- 1068US4238925AGas turbine system with oxygen vapor-fuel systemPURIFICATION SCIENCES INC·Filed 1978·Granted Dec 16, 1980·25 cites·23 claims
- 1167US4327688ACylinder pressure control of fluid injection in an internal combustion enginePURIFICATION SCIENCES INC·Filed 1980·Granted May 4, 1982·18 cites·2 claims
- 1256US4228659AGas turbine systemPURIFICATION SCIENCES INC·Filed 1978·Granted Oct 21, 1980·16 cites·5 claims
- 1342US4326483AInternal combustion engine with oxidant manufacturePURIFICATION SCIENCES INC·Filed 1980·Granted Apr 27, 1982·7 cites·3 claims
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