Assignee
CUMMINS ENGINE CO INC
649 granted patents·25,046 citations·filing 1973–2003
Top patents by PatentIndex Score
649 records- 0199US6298718B1Turbocharger compressor diagnostic systemCUMMINS ENGINE CO INC·Filed 2000·Granted Oct 9, 2001·210 cites·20 claims
- 0298US6253730B1Engine compression braking system with integral rocker lever and reset valveCUMMINS ENGINE CO INC·Filed 2000·Granted Jul 3, 2001·144 cites·24 claims
- 0398US6021758AMethod and apparatus for engine cylinder balancing using sensed engine speedCUMMINS ENGINE CO INC·Filed 1997·Granted Feb 8, 2000·127 cites·28 claims
- 0498US5860597AInjection rate shaping nozzle assembly for a fuel injectorCUMMINS ENGINE CO INC·Filed 1997·Granted Jan 19, 1999·122 cites·19 claims
- 0598US5715788AIntegrated fuel injector and ignitor assemblyCUMMINS ENGINE CO INC·Filed 1996·Granted Feb 10, 1998·193 cites·29 claims
- 0698US5619412ARemote control of engine idling timeCUMMINS ENGINE CO INC·Filed 1994·Granted Apr 8, 1997·381 cites·25 claims
- 0798US5329908ACompressed natural gas injection system for gaseous fueled enginesCUMMINS ENGINE CO INC·Filed 1993·Granted Jul 19, 1994·112 cites·27 claims
- 0898US5002022AValve control system with a variable timing hydraulic linkCUMMINS ENGINE CO INC·Filed 1989·Granted Mar 26, 1991·83 cites·14 claims
- 0997US6425382B1Air-exhaust mixer assemblyCUMMINS ENGINE CO INC·Filed 2001·Granted Jul 30, 2002·90 cites·20 claims
- 1097US6276334B1Premixed charge compression ignition engine with optimal combustion controlCUMMINS ENGINE CO INC·Filed 1999·Granted Aug 21, 2001·385 cites·57 claims
- 1197US6253736B1Fuel injector nozzle assembly with feedback controlCUMMINS ENGINE CO INC·Filed 1999·Granted Jul 3, 2001·120 cites·22 claims
- 1297US6230683B1Premixed charge compression ignition engine with optimal combustion controlCUMMINS ENGINE CO INC·Filed 1999·Granted May 15, 2001·300 cites·63 claims
- 1397US5899389ATwo stage fuel injector nozzle assemblyCUMMINS ENGINE CO INC·Filed 1997·Granted May 4, 1999·153 cites·12 claims
- 1497US5611204AEGR and blow-by flow system for highly turbocharged diesel enginesCUMMINS ENGINE CO INC·Filed 1996·Granted Mar 18, 1997·170 cites·6 claims
- 1597US5609136AModel predictive control for HPI closed-loop fuel pressure control systemCUMMINS ENGINE CO INC·Filed 1994·Granted Mar 11, 1997·97 cites·23 claims
- 1697US5450835AOil separator for reducing oil losses from crankcase ventilationCUMMINS ENGINE CO INC·Filed 1994·Granted Sep 19, 1995·122 cites·20 claims
- 1797US5199261AInternal combustion engine with turbocharger systemCUMMINS ENGINE CO INC·Filed 1992·Granted Apr 6, 1993·135 cites·3 claims
- 1897US5070832AEngine protection systemCUMMINS ENGINE CO INC·Filed 1991·Granted Dec 10, 1991·181 cites·22 claims
- 1997US4324213ALubrication fluid filtering and cooling assemblyCUMMINS ENGINE CO INC·Filed 1980·Granted Apr 13, 1982·120 cites·17 claims
- 2097US4206634ATest apparatus and method for an engine mounted fuel pumpCUMMINS ENGINE CO INC·Filed 1978·Granted Jun 10, 1980·66 cites·18 claims
- 2197US4179892AInternal combustion engine with exhaust gas recirculationCUMMINS ENGINE CO INC·Filed 1977·Granted Dec 25, 1979·171 cites·12 claims
- 2297US4008572ATurbine housingCUMMINS ENGINE CO INC·Filed 1975·Granted Feb 22, 1977·72 cites·15 claims
- 2397US3993370ALubricated bearing structureCUMMINS ENGINE CO INC·Filed 1974·Granted Nov 23, 1976·81 cites·8 claims
- 2496US6408625B1Operating techniques for internal combustion enginesCUMMINS ENGINE CO INC·Filed 2000·Granted Jun 25, 2002·172 cites·46 claims
- 2596US6286482B1Premixed charge compression ignition engine with optimal combustion controlCUMMINS ENGINE CO INC·Filed 1997·Granted Sep 11, 2001·257 cites·156 claims
- 2696US6067946ADual-pressure hydraulic valve-actuation systemCUMMINS ENGINE CO INC·Filed 1996·Granted May 30, 2000·138 cites·27 claims
- 2796US5732688ASystem for controlling recirculated exhaust gas temperature in an internal combustion engineCUMMINS ENGINE CO INC·Filed 1996·Granted Mar 31, 1998·171 cites·58 claims
- 2896US5472463APressure side integrated air filter and filtering networks for enginesCUMMINS ENGINE CO INC·Filed 1994·Granted Dec 5, 1995·296 cites·18 claims
- 2996US5404855AVariable displacement high pressure pump for fuel injection systemsCUMMINS ENGINE CO INC·Filed 1994·Granted Apr 11, 1995·120 cites·22 claims
- 3096US5052178AUnitary hybrid exhaust system and method for reducing particulate emmissions from internal combustion enginesCUMMINS ENGINE CO INC·Filed 1989·Granted Oct 1, 1991·111 cites·30 claims
- 3196US4996967AApparatus and method for generating a highly conductive channel for the flow of plasma currentCUMMINS ENGINE CO INC·Filed 1989·Granted Mar 5, 1991·56 cites·24 claims
- 3296US4532893AElectronically controlled fuel pumpCUMMINS ENGINE CO INC·Filed 1982·Granted Aug 6, 1985·79 cites·11 claims
- 3396US4495907ACombustion chamber components for internal combustion enginesCUMMINS ENGINE CO INC·Filed 1983·Granted Jan 29, 1985·93 cites·7 claims
- 3496US4164917AControllable valve tappet for use with dual ramp camCUMMINS ENGINE CO INC·Filed 1977·Granted Aug 21, 1979·95 cites·9 claims
- 3595US6293254B1Fuel injector with floating sleeve control chamberCUMMINS ENGINE CO INC·Filed 2000·Granted Sep 25, 2001·60 cites·21 claims
- 3695US6253601B1System and method for determining oil change intervalCUMMINS ENGINE CO INC·Filed 1998·Granted Jul 3, 2001·133 cites·44 claims
- 3795US6243641B1System and method for detecting engine cylinder misfireCUMMINS ENGINE CO INC·Filed 1998·Granted Jun 5, 2001·82 cites·55 claims
- 3895US6167357ARecursive vehicle mass estimationCUMMINS ENGINE CO INC·Filed 1998·Granted Dec 26, 2000·95 cites·13 claims
- 3995US5983863ACompact high performance fuel system with accumulatorCUMMINS ENGINE CO INC·Filed 1994·Granted Nov 16, 1999·109 cites·192 claims
- 4095US5983156ASystem for controlling engine fueling according to vehicle locationCUMMINS ENGINE CO INC·Filed 1997·Granted Nov 9, 1999·85 cites·30 claims
- 4195US5775293AElectronic throttle pedal nonlinear filterCUMMINS ENGINE CO INC·Filed 1996·Granted Jul 7, 1998·82 cites·19 claims
- 4295US5619959ASpark plug including magnetic field producing means for generating a variable length arcCUMMINS ENGINE CO INC·Filed 1996·Granted Apr 15, 1997·70 cites·17 claims
- 4395US4901531ARankine-diesel integrated systemCUMMINS ENGINE CO INC·Filed 1988·Granted Feb 20, 1990·154 cites·1 claims
- 4495US4738776ALubricant filter assemblyCUMMINS ENGINE CO INC·Filed 1986·Granted Apr 19, 1988·122 cites·4 claims
- 4595US4325219ATwo loop engine coolant systemCUMMINS ENGINE CO INC·Filed 1979·Granted Apr 20, 1982·68 cites·11 claims
- 4694US6718425B1Handheld computer based system for collection, display and analysis of engine/vehicle dataCUMMINS ENGINE CO INC·Filed 2000·Granted Apr 6, 2004·194 cites·75 claims
- 4794US6557779B2Variable spray hole fuel injector with dual actuatorsCUMMINS ENGINE CO INC·Filed 2001·Granted May 6, 2003·53 cites·20 claims
- 4894US6354084B1Exhaust gas recirculation system for a turbocharged internal combustion engineCUMMINS ENGINE CO INC·Filed 1999·Granted Mar 12, 2002·67 cites·26 claims
- 4994US5979803AFuel injector with pressure balanced needle valveCUMMINS ENGINE CO INC·Filed 1997·Granted Nov 9, 1999·80 cites·10 claims
- 5094US5878717ACylinder pressure based air-fuel ratio and engine controlCUMMINS ENGINE CO INC·Filed 1998·Granted Mar 9, 1999·67 cites·34 claims
Showing the top 50 of 649 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when CUMMINS ENGINE CO INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →