Inventor · disambiguated record
Kenneth E. Lehrke
Also filed as: LEHRKE KENNETH E · LEHRKE KENNETH EUGENE
13 granted patents·416 citations·filing 1975–2003
93Inventor score
Top patents by PatentIndex Score
13 records- 0192US4501952AElectric fluid heater temperature control system providing precise control under varying conditionsGRACO INC·Filed 1982·Granted Feb 26, 1985·76 cites·17 claims
- 0291US4725713AElectrically heated hose employing a hose simulator for temperature controlGRACO INC·Filed 1985·Granted Feb 16, 1988·90 cites·5 claims
- 0390US5145339APulseless piston pumpGRACO INC·Filed 1990·Granted Sep 8, 1992·78 cites·16 claims
- 0480US6899530B2Diaphragm pump with a transfer chamber vent with a longitudinal notch on the piston cylinderWANNER ENGINEERING·Filed 2002·Granted May 31, 2005·20 cites·11 claims
- 0576US7090474B2Diaphragm pump with overfill limiterWANNER ENGINEERING·Filed 2003·Granted Aug 15, 2006·16 cites·9 claims
- 0673US4921408ANon-icing quiet air-operated pumpGRACO INC·Filed 1988·Granted May 1, 1990·27 cites·9 claims
- 0770US6164560ALawn applicator module and control system thereforWANNER ENGINEERING·Filed 1998·Granted Dec 26, 2000·37 cites·57 claims
- 0860US6568559B2Termite control system with multi-fluid proportion metering and batch signal meteringWANNER ENGINEERING·Filed 2000·Granted May 27, 2003·10 cites·19 claims
- 0954US5961300ADiaphragm pump plural component dispensing system with integratorGRACO INC·Filed 1997·Granted Oct 5, 1999·17 cites·6 claims
- 1046US6168308B1Mechanical proportionerGRACO MINNESOTA INC·Filed 1999·Granted Jan 2, 2001·17 cites·2 claims
- 1146US5362148ARotary agitator with concentric suction tubeGRACO INC·Filed 1994·Granted Nov 8, 1994·17 cites·14 claims
- 1235US5277494AFluid integratorGRACO·Filed 1993·Granted Jan 11, 1994·9 cites·7 claims
- 1322US3982569ATire filling apparatus and methodGRACO INC·Filed 1975·Granted Sep 28, 1976·2 cites·13 claims
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