Assignee
FEV MOTORENTECH GMBH & CO KG
DE·98 granted patents·1 pending application·3,164 citations·filing 1987–2001
Top patents by PatentIndex Score
99 records- 0198US5930992AProcess for controlling a multiple cylinder internal combustion engine in the cold start and warming up phasesFEV MOTORENTECH GMBH & CO KG·Filed 1995·Granted Aug 3, 1999·169 cites·5 claims
- 0298US5797360AMethod for controlling cylinder valve drives in a piston-type internal combustion engineFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Aug 25, 1998·118 cites·13 claims
- 0397US5804962AMethod of adjusting the position of rest of an armature in an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Sep 8, 1998·97 cites·4 claims
- 0497US5743221AMethod for a throttle-free load control of an internal combustion engine by means of variably controllable cylinder valvesFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Apr 28, 1998·89 cites·5 claims
- 0597US5647312AFour-stroke Otto engine having hybrid controlFEV MOTORENTECH GMBH & CO KG·Filed 1994·Granted Jul 15, 1997·108 cites·8 claims
- 0697US5131624AElectromagnetically operating setting deviceFEV MOTORENTECH GMBH & CO KG·Filed 1990·Granted Jul 21, 1992·93 cites·17 claims
- 0795US5917692AMethod of reducing the impact speed of an armature in an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Jun 29, 1999·92 cites·20 claims
- 0895US5708355AMethod of identifying the impact of an armature onto an electromagnet on an electromagnetic switching arrangementFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Jan 13, 1998·115 cites·4 claims
- 0994US6062532AElectric solid-body actuator having a hydraulic amplitude magnifierFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted May 16, 2000·75 cites·15 claims
- 1094US6003481AElectromagnetic actuator with impact dampingFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Dec 21, 1999·74 cites·15 claims
- 1194US5905625AMethod of operating an electromagnetic actuator by affecting the coil current during armature motionFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted May 18, 1999·85 cites·6 claims
- 1293US5934231AMethod of initiating motion of a cylinder valve actuated by an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Aug 10, 1999·64 cites·4 claims
- 1393US4730455AProcess and system for the regeneration of particulate filter trapsFEV MOTORENTECH GMBH & CO KG·Filed 1987·Granted Mar 15, 1988·60 cites·11 claims
- 1492US6076490AElectromagnetic assembly with gas springs for operating a cylinder valve of an internal-combustion engineFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Jun 20, 2000·56 cites·4 claims
- 1591US5868108AMethod for controlling an electromagnetic actuator operating an engine valveFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Feb 9, 1999·63 cites·10 claims
- 1690US5671600AMethod of reducing the NOx emission of a supercharged piston-type internal combustion engineFEV MOTORENTECH GMBH & CO KG·Filed 1995·Granted Sep 30, 1997·62 cites·4 claims
- 1789US4897096ASystem for the regeneration of a particulate filter trapFEV MOTORENTECH GMBH & CO KG·Filed 1988·Granted Jan 30, 1990·69 cites·3 claims
- 1888US5595146ACombustion engine having a variable compression ratioFEV MOTORENTECH GMBH & CO KG·Filed 1995·Granted Jan 21, 1997·77 cites·16 claims
- 1987US5988124AElectromagnetically actuated cylinder valve having pneumatic resetting springsFEV MOTORENTECH GMBH & CO KG·Filed 1999·Granted Nov 23, 1999·48 cites·1 claims
- 2087US5818680AApparatus for controlling armature movements in an electromagnetic circuitFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Oct 6, 1998·38 cites·20 claims
- 2187US4945863AProcess for operating a fuel-burning engineFEV MOTORENTECH GMBH & CO KG·Filed 1989·Granted Aug 7, 1990·66 cites·12 claims
- 2286US6066999AElectromagnetic actuator having magnetic impact-damping meansFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted May 23, 2000·46 cites·4 claims
- 2386US5794734AMethod and apparatus for supplying driving energy to vehicle subassembliesFEV MOTORENTECH GMBH & CO KG·Filed 1994·Granted Aug 18, 1998·43 cites·17 claims
- 2484US6041667AMethod of operating an electromagnetic actuator with consideration of the armature motionFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Mar 28, 2000·42 cites·4 claims
- 2584US5632244ASpark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixtureFEV MOTORENTECH GMBH & CO KG·Filed 1994·Granted May 27, 1997·37 cites·10 claims
- 2683US4872889AFilter system for the removal of engine emission particulatesFEV MOTORENTECH GMBH & CO KG·Filed 1988·Granted Oct 10, 1989·55 cites·14 claims
- 2782US6073596AMethod for controlling electromagnetic actuators for operating cylinder valves in piston-type internal combustion enginesFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Jun 13, 2000·36 cites·13 claims
- 2882US5979790AControllable fuel injection valve for an internal-combustion engineFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Nov 9, 1999·45 cites·4 claims
- 2981US6182621B1Method of affecting mixture formation and charge motion in an engine cylinderFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Feb 6, 2001·30 cites·4 claims
- 3079US6247430B1Compression ratio setting device for an internal-combustion engineFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Jun 19, 2001·37 cites·9 claims
- 3179US5117213AElectromagnetically operating setting deviceFEV MOTORENTECH GMBH & CO KG·Filed 1990·Granted May 26, 1992·36 cites·27 claims
- 3278US5005402AMeasuring cell for determinating the alcohol content and/or calorific value of fuelsFEV MOTORENTECH GMBH & CO KG·Filed 1989·Granted Apr 9, 1991·42 cites·11 claims
- 3377US5762035AElectromagnetic cylinder valve actuator having a valve lash adjusterFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Jun 9, 1998·30 cites·11 claims
- 3476US6141201AMethod of regulating the armature impact speed in an electromagnetic actuator by estimating the required energy by extrapolationFEV MOTORENTECH GMBH & CO KG·Filed 1999·Granted Oct 31, 2000·27 cites·25 claims
- 3575US5742467AMethod of controlling armature movement in an electromagnetic circuitFEV MOTORENTECH GMBH & CO KG·Filed 1995·Granted Apr 21, 1998·28 cites·5 claims
- 3672US5831809AMethod for controlling an electromagnetic actuator with compensation for changes in ohmic resistance of the electromagnet coilFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Nov 3, 1998·35 cites·2 claims
- 3772US5535710AArrangement of valves and valve drives in an internal combuston engine having an overhead camshaftFEV MOTORENTECH GMBH & CO KG·Filed 1995·Granted Jul 16, 1996·29 cites·11 claims
- 3871US6078235AElectromagnetic actuator and housing thereforFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Jun 20, 2000·25 cites·9 claims
- 3971US5878712ASystem for the direct injection of fuel in internal-combustion enginesFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Mar 9, 1999·34 cites·7 claims
- 4069US5094210AIntake and fuel/air mixing system for multi-cylinder, externally ignited internal combustion enginesFEV MOTORENTECH GMBH & CO KG·Filed 1990·Granted Mar 10, 1992·30 cites·13 claims
- 4168US5711259AMethod of measuring a valve play of an engine-cylinder valve operated by an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Jan 27, 1998·22 cites·10 claims
- 4265US5691680AMethod of recognizing the impingement of a reciprocating armature in an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted Nov 25, 1997·20 cites·5 claims
- 4364US6198370B1Method and apparatus for operating a cylinder valve with an electromagnetic actuator without pole face contactingFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Mar 6, 2001·23 cites·8 claims
- 4464US6101992AFluid-braked electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Aug 15, 2000·24 cites·15 claims
- 4564US5748433AMethod of accurately controlling the armature motion of an electromagnetic actuatorFEV MOTORENTECH GMBH & CO KG·Filed 1996·Granted May 5, 1998·23 cites·1 claims
- 4664US5134381AMethod of analyzing the alcohol content and/or the calorific value of fuelsFEV MOTORENTECH GMBH & CO KG·Filed 1990·Granted Jul 28, 1992·33 cites·22 claims
- 4764US4709549AAssembly for engine exhaust gas particulate filter trapsFEV MOTORENTECH GMBH & CO KG·Filed 1987·Granted Dec 1, 1987·27 cites·3 claims
- 4863US6082243AFluid controlled switching unitFEV MOTORENTECH GMBH & CO KG·Filed 1998·Granted Jul 4, 2000·19 cites·9 claims
- 4961US5890466ADevice for injecting fuel at the exhaust port of an engine cylinderFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted Apr 6, 1999·17 cites·7 claims
- 5060US5903070AElectromagnetic actuator having a slender structureFEV MOTORENTECH GMBH & CO KG·Filed 1997·Granted May 11, 1999·16 cites·12 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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