Inventor · disambiguated record
Lester P. Berriman
Also filed as: ARMSTRONG KENNETH R · BERRIMAN LESTER · BERRIMAN LESTER P · BERRIMAN LESTER PORTER
14 granted patents·3 pending applications·383 citations·filing 1973–2005
94Inventor score
Top patents by PatentIndex Score
17 records- 0194US5992141AAmmonia injection in NOx controlKLEEN AIR SYSTEMS INC·Filed 1997·Granted Nov 30, 1999·148 cites·15 claims
- 0287US6745562B2Diverter for catalytic converterKLEENAIR SYSTEMS INC·Filed 2002·Granted Jun 8, 2004·42 cites·9 claims
- 0371US3965221AFluid flow device and liquid meteringDRESSER IND·Filed 1974·Granted Jun 22, 1976·28 cites·15 claims
- 0470US5609026AEngine NOx reductionKLEENAIR SYSTEMS INC·Filed 1993·Granted Mar 11, 1997·40 cites·2 claims
- 0568US5224346AEngine NOx reduction systemDAVIS JAMES W·Filed 1991·Granted Jul 6, 1993·26 cites·8 claims
- 0666US4279627AFine particle separation apparatusDRESSER IND·Filed 1979·Granted Jul 21, 1981·22 cites·7 claims
- 0765US4231383AMethod for controlling mass flow rateDRESSER IND·Filed 1979·Granted Nov 4, 1980·18 cites·2 claims
- 0864US6499463B1Dual fuel source diesel engineKLEENAIR SYSTEMS INC·Filed 2002·Granted Dec 31, 2002·12 cites·8 claims
- 0956US3952776AFluid flow deviceDRESSER IND·Filed 1973·Granted Apr 27, 1976·14 cites·2 claims
- 1056US3949025AVariable throat venturi apparatus for mixing and modulating liquid fuel and intake air to an internal combustion engineDRESSER IND·Filed 1974·Granted Apr 6, 1976·13 cites·11 claims
- 1152US4198357AFlow device and methodDRESSER IND·Filed 1978·Granted Apr 15, 1980·7 cites·10 claims
- 1249US4122810AAutomotive exhaust gas recirculation valveDRESSER IND·Filed 1977·Granted Oct 31, 1978·6 cites·11 claims
- 1347US6852292B2Ammonia storage and injection in NOx controlKLEENAIR SYSTEMS INC·Filed 2002·Granted Feb 8, 2005·5 cites·5 claims
- 1441US2005129599A1Ammonia storage and injection in NOx controlFiled 2005·Application pending·0 cites
- 1541US2005044844A1Upgraded emissions reduction systemFiled 2004·Application pending·0 cites
- 1636US2005047982A1Engine emissions nox reductionFiled 2004·Application pending·0 cites
- 1735US6446940B1Fuel-air mixerKLEENAIR SYSTEMS INC·Filed 2001·Granted Sep 10, 2002·2 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Lester P. Berriman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →