Inventor · disambiguated record
Yul J. Tarr
Also filed as: TARR YUL · TARR YUL J
25 granted patents·1,286 citations·filing 1991–2003
97Inventor score
Top patents by PatentIndex Score
25 records- 0198US5860597AInjection rate shaping nozzle assembly for a fuel injectorCUMMINS ENGINE CO INC·Filed 1997·Granted Jan 19, 1999·122 cites·19 claims
- 0298US5715788AIntegrated fuel injector and ignitor assemblyCUMMINS ENGINE CO INC·Filed 1996·Granted Feb 10, 1998·193 cites·29 claims
- 0398US5329908ACompressed natural gas injection system for gaseous fueled enginesCUMMINS ENGINE CO INC·Filed 1993·Granted Jul 19, 1994·112 cites·27 claims
- 0497US6823834B2System for estimating auxiliary-injected fueling quantitiesCUMMINS INC·Filed 2003·Granted Nov 30, 2004·80 cites·61 claims
- 0595US6497223B1Fuel injection pressure control system for an internal combustion engineCUMMINS INC·Filed 2000·Granted Dec 24, 2002·61 cites·27 claims
- 0694US6705543B2Variable pressure fuel injection system with dual flow rate injectorCUMMINS INC·Filed 2001·Granted Mar 16, 2004·48 cites·16 claims
- 0794US6557776B2Fuel injector with injection rate controlCUMMINS INC·Filed 2001·Granted May 6, 2003·46 cites·23 claims
- 0894US5819704ANeedle controlled fuel system with cyclic pressure generationCUMMINS ENGINE CO INC·Filed 1997·Granted Oct 13, 1998·79 cites·13 claims
- 0993US5884611AEffervescent injector for diesel enginesCUMMINS ENGINE CO INC·Filed 1997·Granted Mar 23, 1999·70 cites·19 claims
- 1093US5676114ANeedle controlled fuel system with cyclic pressure generationCUMMINS ENGINE CO INC·Filed 1996·Granted Oct 14, 1997·71 cites·65 claims
- 1190US5441027AIndividual timing and injection fuel metering systemCUMMINS ENGINE CO INC·Filed 1994·Granted Aug 15, 1995·71 cites·36 claims
- 1288US5899136ALow leakage plunger and barrel assembly for high pressure fluid systemCUMMINS ENGINE CO INC·Filed 1996·Granted May 4, 1999·51 cites·13 claims
- 1388US5534161AAutomatic water drain and priming pump for fuel systemsCUMMINS ENGINE CO INC·Filed 1994·Granted Jul 9, 1996·54 cites·16 claims
- 1486US6990855B2System for estimating a quantity of parasitic leakage from a fuel injection systemCUMMINS INC·Filed 2003·Granted Jan 31, 2006·31 cites·61 claims
- 1576US6116273AFuel metering check valve arrangement for a time-pressure controlled unit fuel injectorCUMMINS ENGINE CO INC·Filed 1995·Granted Sep 12, 2000·37 cites·21 claims
- 1675US5697345AClamping load distributor for a fuel injectorCUMMINS ENGINE CO INC·Filed 1994·Granted Dec 16, 1997·34 cites·15 claims
- 1769US6405709B1Cyclic pressurization including plural pressurization units interconnected for energy storage and recoveryCUMMINS INC·Filed 2000·Granted Jun 18, 2002·11 cites·17 claims
- 1869US5209403AHigh pressure unit fuel injector with timing chamber pressure controlCUMMINS ENGINE CO INC·Filed 1991·Granted May 11, 1993·25 cites·21 claims
- 1968US6045120AFlow balanced spill control valveCUMMINS ENGINE CO INC·Filed 1998·Granted Apr 4, 2000·28 cites·19 claims
- 2059US6550455B2Cyclic pressurization including plural pressurization units interconnected for energy storage and recoveryCUMMINS ENGINE CO INC·Filed 2002·Granted Apr 22, 2003·7 cites·51 claims
- 2159US5611317AOpen nozzle fuel injector having drive train wear compensationCUMMINS ENGINE CO INC·Filed 1995·Granted Mar 18, 1997·18 cites·20 claims
- 2253US5323964AHigh pressure unit fuel injector having variable effective spill areaCUMMINS ENGINE CO INC·Filed 1992·Granted Jun 28, 1994·15 cites·41 claims
- 2351US6637776B2Fluid manifold connector and fluid manifold assemblyCUMMINS INC·Filed 2001·Granted Oct 28, 2003·5 cites·19 claims
- 2445US5713335AVariable injection timing and injection pressure control arrangementCUMMINS ENGINE CO INC·Filed 1996·Granted Feb 3, 1998·12 cites·18 claims
- 2536US5301876AUnit injector with interchangeable subassembly for converting from open nozzle to closed nozzle operationCUMMINS ENGINE CO INC·Filed 1992·Granted Apr 12, 1994·5 cites·19 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →