Inventor · disambiguated record
David E. Hackett
Also filed as: HACKETT DAVID · HACKETT DAVID E · HACKETT DAVID ELLIOT · HACKETT DAVID HOWARD
33 granted patents·6 pending applications·336 citations·filing 1975–2016
97Inventor score
Files withCATERPILLAR INC24CATERPILLAR TRACTOR CO6HACKETT DAVID ELLIOT4TOYOTA MOTOR CO LTD2DURAND FORMS INC1
Top patents by PatentIndex Score
39 records- 0192US5724939AExhaust pulse boosted engine compression braking methodCATERPILLAR INC·Filed 1996·Granted Mar 10, 1998·60 cites·13 claims
- 0289US6092495AMethod of controlling electronically controlled valves to prevent interference between the valves and a pistonCATERPILLAR INC·Filed 1998·Granted Jul 25, 2000·50 cites·20 claims
- 0388US9957940B2Fluid conditioning moduleCATERPILLAR INC·Filed 2015·Granted May 1, 2018·4 cites·18 claims
- 0485US5931131AValve cover assembly having an integrated heat exchanger for cooling exhaust gasesCATERPILLAR INC·Filed 1997·Granted Aug 3, 1999·40 cites·17 claims
- 0585US4531494ADistributor fuel injection pump having a nutator pump subassemblyCATERPILLAR TRACTOR CO·Filed 1984·Granted Jul 30, 1985·27 cites·5 claims
- 0682US8726884B2Quill assembly for a dual fuel common rail fuel systemHACKETT DAVID ELLIOT·Filed 2011·Granted May 20, 2014·6 cites·17 claims
- 0771US10036314B2Fuel system flush circuitry and method for operating the sameCATERPILLAR INC·Filed 2016·Granted Jul 31, 2018·1 cites·13 claims
- 0871US9447740B2Engine system having hydraulically actuated gas injectorCATERPILLAR INC·Filed 2014·Granted Sep 20, 2016·2 cites·19 claims
- 0971US8991360B2Coaxial quill assembly retainer and common rail fuel system using sameHACKETT DAVID ELLIOT·Filed 2012·Granted Mar 31, 2015·2 cites·17 claims
- 1068US5927257APressure compensating exhaust gas recirculation valveCATERPILLAR INC·Filed 1997·Granted Jul 27, 1999·26 cites·20 claims
- 1167US9291133B2Shaft arrangement for an axial piston pump assemblyPICKELL MICHAEL E·Filed 2011·Granted Mar 22, 2016·3 cites·18 claims
- 1266US10036401B2Recirculating pump inletCATERPILLAR INC·Filed 2015·Granted Jul 31, 2018·1 cites·13 claims
- 1366USD311160SPickup truck bodyTOYOTA MOTOR CO LTD·Filed 1987·Granted Oct 9, 1990·11 cites·1 claims
- 1460US6349686B1Hydraulically-driven valve and hydraulic system using sameCATERPILLAR INC·Filed 2000·Granted Feb 26, 2002·7 cites·20 claims
- 1557USD316986SBody for utility vehicleTOYOTA MOTOR CO LTD·Filed 1990·Granted May 21, 1991·9 cites·1 claims
- 1655US9303604B2Asymmetrical orifice for bypass controlCATERPILLAR INC·Filed 2014·Granted Apr 5, 2016·0 cites·20 claims
- 1754US5647307AValving for dual compression/expansion engine and method of assembling the sameCATERPILLAR INC·Filed 1996·Granted Jul 15, 1997·13 cites·33 claims
- 1854US5611308AApparatus for interconnecting an actuator and an exhaust valve opening memberCATERPILLAR INC·Filed 1996·Granted Mar 18, 1997·12 cites·13 claims
- 1951US6647770B2Apparatus and method for testing internal combustion engine valvesCATERPILLAR INC·Filed 2002·Granted Nov 18, 2003·10 cites·18 claims
- 2050US2014334947A1Fluid pump systemCATERPILLAR INC·Filed 2013·Application pending·0 cites
- 2149US8833344B2Dual fuel injector feed using differential length quillsHACKETT DAVID ELLIOT·Filed 2011·Granted Sep 16, 2014·0 cites·20 claims
- 2246US10184436B2Fluid injector supply system and method for operating sameCATERPILLAR INC·Filed 2015·Granted Jan 22, 2019·0 cites·20 claims
- 2345US5435280AMethod of mounting a ceramic valve guide assemblyCATERPILLAR INC·Filed 1994·Granted Jul 25, 1995·10 cites·11 claims
- 2444US2004123546A1Concrete forming panel systemDURAND FORMS INC·Filed 2002·Application pending·0 cites
- 2543US4179952ALubrication means for a torque proportioning differentialCATERPILLAR TRACTOR CO·Filed 1975·Granted Dec 25, 1979·6 cites·28 claims
- 2643US4011031ARotor constructions for slant axis rotary mechanismsCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 8, 1977·4 cites·10 claims
- 2743US2014331974A1Modular Low Pressure Fuel System with FiltrationCATERPILLAR INC·Filed 2013·Application pending·0 cites
- 2842US5365894AValve actuation deviceCATERPILLAR INC·Filed 1991·Granted Nov 22, 1994·9 cites·5 claims
- 2938US4080108AImproved lubrication pump for a torque proportioning differentialCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 22, 1978·4 cites·30 claims
- 3038US2013062291A1Re-Entrainment Reduction Structure For Fluid Filter AssemblyHACKETT DAVID ELLIOT·Filed 2011·Application pending·0 cites
- 3138US2016230720A1Fluid Conditioning ModuleCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 3237US5692462ATransfer valve assembly providing variable valve lashCATERPILLAR INC·Filed 1996·Granted Dec 2, 1997·5 cites·22 claims
- 3337US2016290302A1Fuel Injector Device and MethodCATERPILLAR INC·Filed 2015·Application pending·0 cites
- 3435US6626137B2Automatic lash adjusterCATERPILLAR INC·Filed 2002·Granted Sep 30, 2003·0 cites·19 claims
- 3535US4047664AAccumulator type injection valve including a dump valve for fast responseCATERPILLAR TRACTOR CO·Filed 1976·Granted Sep 13, 1977·3 cites·8 claims
- 3634US5205259AModified cylinder headCATERPILLAR INC·Filed 1991·Granted Apr 27, 1993·4 cites·6 claims
- 3734USD284645SMini truckHACKETT DAVID E·Filed 1983·Granted Jul 15, 1986·2 cites·1 claims
- 3833US4125030ASlant axis rotary mechanismCATERPILLAR TRACTOR CO·Filed 1978·Granted Nov 14, 1978·2 cites·2 claims
- 3932US5372103AMethod of mounting a ceramic valve guide assemblyCATERPILLAR INC·Filed 1994·Granted Dec 13, 1994·3 cites·16 claims
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