Assignee
FEV MOTORENTECH GMBH
DE·70 granted patents·17 pending applications·1,173 citations·filing 1997–2010
Top patents by PatentIndex Score
87 records- 0195US6722458B2Multi-engine drive system for a vehicleFEV MOTORENTECH GMBH·Filed 2001·Granted Apr 20, 2004·94 cites·10 claims
- 0295US6469500B1Method for determining the position and/or speed of motion of a control element that can be moved back and forth between two switching positionsFEV MOTORENTECH GMBH·Filed 2000·Granted Oct 22, 2002·85 cites·13 claims
- 0393US7111604B1Connecting rod for an internal combustion engineFEV MOTORENTECH GMBH·Filed 2005·Granted Sep 26, 2006·26 cites·15 claims
- 0493US6422185B1Method for operating a piston-type internal-combustion engine in the event of a temporary functional failure of an electromagnetic valve trainFEV MOTORENTECH GMBH·Filed 2000·Granted Jul 23, 2002·53 cites·13 claims
- 0592US6701887B2Method for influencing the mixture formation and charging movement in a cylinder of a piston internal combustion engine with externally applied ignitionFEV MOTORENTECH GMBH·Filed 2001·Granted Mar 9, 2004·50 cites·12 claims
- 0691US6333843B2Method of starting an electromagnetic actuator operating a cylinder valve of a piston-type internal-combustion engineFEV MOTORENTECH GMBH·Filed 2000·Granted Dec 25, 2001·42 cites·11 claims
- 0788US6474276B1Method for controlling an electromagnetic valve drive mechanism for a gas exchange valve in an internal combustion piston engineFEV MOTORENTECH GMBH·Filed 2000·Granted Nov 5, 2002·36 cites·15 claims
- 0887US6289858B1Coupling device for connecting an electromagnetic actuator with a component driven therebyFEV MOTORENTECH GMBH·Filed 2000·Granted Sep 18, 2001·31 cites·13 claims
- 0985US7047916B2Two-stroke internal combustion engine with free opposed pistonsFEV MOTORENTECH GMBH·Filed 2005·Granted May 23, 2006·19 cites·21 claims
- 1085US6811103B2Directly controlled fuel injection device for a reciprocating internal combustion engineFEV MOTORENTECH GMBH·Filed 2000·Granted Nov 2, 2004·40 cites·14 claims
- 1182US6279524B1Electromagnetic actuator having a pneumatic dampening elementFEV MOTORENTECH GMBH·Filed 2000·Granted Aug 28, 2001·21 cites·6 claims
- 1280US6269632B1Method of operating an externally ignited internal-combustion engine having a regulated exhaust catalyst and electromagnetically operated cylinder valvesFEV MOTORENTECH GMBH·Filed 1999·Granted Aug 7, 2001·36 cites·8 claims
- 1378US7806100B2Injection method and associated internal combustion engineFEV MOTORENTECH GMBH·Filed 2008·Granted Oct 5, 2010·18 cites·19 claims
- 1478US7053604B2Sensor detecting movement of a control element moved by an actuatorFEV MOTORENTECH GMBH·Filed 2005·Granted May 30, 2006·7 cites·10 claims
- 1578US6588384B2Apparatus for varying the compression ratio of an internal-combustion engineFEV MOTORENTECH GMBH·Filed 2001·Granted Jul 8, 2003·25 cites·13 claims
- 1678US6568359B2Piston internal combustion engine with pressure relief gas exhaust valvesFEV MOTORENTECH GMBH·Filed 2002·Granted May 27, 2003·17 cites·12 claims
- 1778US6247432B1Engine valve assembly for an internal-combustion engine, including an electromagnetic actuatorFEV MOTORENTECH GMBH·Filed 2000·Granted Jun 19, 2001·18 cites·5 claims
- 1877US7420362B2Sensor array for detecting the movement of a positioning element moved back and forth using an actuatorFEV MOTORENTECH GMBH·Filed 2005·Granted Sep 2, 2008·9 cites·15 claims
- 1976US6427651B1Method for controlling the final position of a gas exchange valve actuated by an electromagnetic actuator in an internal combustion piston engineFEV MOTORENTECH GMBH·Filed 2000·Granted Aug 6, 2002·16 cites·3 claims
- 2076US6373678B1Method of regulating the armature impact speed in an electromagnetic actuator by controlling the current supply based on performance characteristicsFEV MOTORENTECH GMBH·Filed 2000·Granted Apr 16, 2002·20 cites·1 claims
- 2173US6739522B2Injection system for dosed injections of two liquids into a reaction chamberFEV MOTORENTECH GMBH·Filed 2001·Granted May 25, 2004·16 cites·12 claims
- 2273US6443106B1Coupling element connecting two parallel, spaced shafts for varying their position relative to one anotherFEV MOTORENTECH GMBH·Filed 2000·Granted Sep 3, 2002·19 cites·8 claims
- 2373US6336440B1Misfire detection method for a piston combustion engine with electromagnetic fuel charge valveFEV MOTORENTECH GMBH·Filed 1999·Granted Jan 8, 2002·25 cites·12 claims
- 2470US6089197AElectromagnetic actuator for an engine valve, including an integrated valve slack adjusterFEV MOTORENTECH GMBH·Filed 1999·Granted Jul 18, 2000·24 cites·9 claims
- 2567US6340008B1Method for controlling an electromagnetic actuator for activating a gas exchange valve on a reciprocating internal combustion engineFEV MOTORENTECH GMBH·Filed 2000·Granted Jan 22, 2002·11 cites·6 claims
- 2667US6185930B1Method for reducing pollutant emission in motor vehiclesFEV MOTORENTECH GMBH·Filed 1999·Granted Feb 13, 2001·36 cites·6 claims
- 2764US6655328B2Method for controlling an electromagnetic valve drive by changing the current direction when supplying the electromagnets with currentFEV MOTORENTECH GMBH·Filed 2002·Granted Dec 2, 2003·9 cites·1 claims
- 2864US6478008B2Piston-type internal combustion engine having a subdivided gas-intake portFEV MOTORENTECH GMBH·Filed 2001·Granted Nov 12, 2002·11 cites·8 claims
- 2963US6615584B2Method for controlling the boost pressure on a piston internal combustion engine with a turbochargerFEV MOTORENTECH GMBH·Filed 2000·Granted Sep 9, 2003·30 cites·8 claims
- 3061US7681564B2Vehicle piston internal combustion engine comprising an adapted recessFEV MOTORENTECH GMBH·Filed 2006·Granted Mar 23, 2010·9 cites·22 claims
- 3160US7116004B2Method for regulating the operation of a device for generating electric energy by means of a generator driven by a free-piston internal combustion engineFEV MOTORENTECH GMBH·Filed 2005·Granted Oct 3, 2006·4 cites·8 claims
- 3260US6837041B2Method of converting a solid nitrogen-containing reducing agent to the gas phase for use in the reduction of nitrogen oxides in exhaust gasesFEV MOTORENTECH GMBH·Filed 2001·Granted Jan 4, 2005·26 cites·19 claims
- 3360US6425374B1Method for automatically generating smoothed characteristic diagrams for an electronic engine control of an internal combustion piston engineFEV MOTORENTECH GMBH·Filed 2000·Granted Jul 30, 2002·13 cites·4 claims
- 3460US6298825B1Method for igniting a multi-cylinder reciprocating gas engine by injecting an ignition gasFEV MOTORENTECH GMBH·Filed 1999·Granted Oct 9, 2001·24 cites·10 claims
- 3560US6129066AEngine piston having a gas turbulence generating surfaceFEV MOTORENTECH GMBH·Filed 1999·Granted Oct 10, 2000·19 cites·10 claims
- 3659USRE42771EMethod of operation of a device for energy conversion using a main fuel and at least one auxiliary fuelFEV MOTORENTECH GMBH·Filed 2009·Granted Oct 4, 2011·0 cites·22 claims
- 3759US6425356B1Piston-type internal-combustion engine with throttle-free load control and a device for generating a vacuum, and method for operating the deviceFEV MOTORENTECH GMBH·Filed 1999·Granted Jul 30, 2002·20 cites·9 claims
- 3858US8001935B2Cylinder head with reinforcementFEV MOTORENTECH GMBH·Filed 2005·Granted Aug 23, 2011·5 cites·19 claims
- 3958US7249597B2Internal exhaust recirculation method for an internal combustion engineFEV MOTORENTECH GMBH·Filed 2004·Granted Jul 31, 2007·12 cites·20 claims
- 4058US7207318B2Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuelFEV MOTORENTECH GMBH·Filed 2004·Granted Apr 24, 2007·5 cites·13 claims
- 4158US6655331B2Piston-type internal-combustion engine having activatable, mechanically actuated cylinder valvesFEV MOTORENTECH GMBH·Filed 2003·Granted Dec 2, 2003·7 cites·11 claims
- 4258US6269794B1Method of stabilizing the idling run of an internal-combustion engineFEV MOTORENTECH GMBH·Filed 1999·Granted Aug 7, 2001·17 cites·5 claims
- 4356US7131320B2Method and device for artificially ageing a catalytic converterFEV MOTORENTECH GMBH·Filed 2003·Granted Nov 7, 2006·21 cites·36 claims
- 4455US6336438B1Direct injection diesel motor with tumble-supported combustion processFEV MOTORENTECH GMBH·Filed 1999·Granted Jan 8, 2002·17 cites·14 claims
- 4554US6834628B2Mechanical valve play compensation element for a valve drive on a piston combustion engineFEV MOTORENTECH GMBH·Filed 2001·Granted Dec 28, 2004·5 cites·13 claims
- 4654US6652400B2Chain drive for driving two parallel shafts located close to each otherFEV MOTORENTECH GMBH·Filed 2000·Granted Nov 25, 2003·7 cites·7 claims
- 4754US6334417B1Method of cold starting a throttle-free, multi-cylinder internal-combustion engineFEV MOTORENTECH GMBH·Filed 1999·Granted Jan 1, 2002·16 cites·4 claims
- 4853US6304161B1Electromagnetic actuator, particularly for driving an engine valveFEV MOTORENTECH GMBH·Filed 2000·Granted Oct 16, 2001·5 cites·17 claims
- 4951US7412965B1Exhaust control system for an internal combustion engineFEV MOTORENTECH GMBH·Filed 2007·Granted Aug 19, 2008·4 cites·17 claims
- 5050US6129332AHydraulic plunger valveFEV MOTORENTECH GMBH·Filed 1999·Granted Oct 10, 2000·16 cites·12 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when FEV MOTORENTECH GMBH 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 →