Assignee
WOODWARD GOVERNOR CO
US·130 granted patents·9 pending applications·3,751 citations·filing 1976–2013
Top patents by PatentIndex Score
139 records- 0197US6994073B2Method and apparatus for detecting ionization signal in diesel and dual mode engines with plasma discharge systemWOODWARD GOVERNOR CO·Filed 2004·Granted Feb 7, 2006·97 cites·34 claims
- 0297US6095793ADynamic control system and method for catalytic combustion process and gas turbine engine utilizing sameWOODWARD GOVERNOR CO·Filed 1998·Granted Aug 1, 2000·173 cites·44 claims
- 0396US5713336AMethod and apparatus for providing multipoint gaseous fuel injection to an internal combustion engineWOODWARD GOVERNOR CO·Filed 1995·Granted Feb 3, 1998·88 cites·14 claims
- 0495US6786200B2Method and apparatus for controlling combustion quality in lean burn reciprocating enginesWOODWARD GOVERNOR CO·Filed 2003·Granted Sep 7, 2004·41 cites·48 claims
- 0595US5809771AAircraft engine fuel systemWOODWARD GOVERNOR CO·Filed 1996·Granted Sep 22, 1998·154 cites·20 claims
- 0693US7659655B2Pre-chamber spark plugWOODWARD GOVERNOR CO·Filed 2005·Granted Feb 9, 2010·54 cites·25 claims
- 0791US7204133B2Method and apparatus for detecting combustion instability in continuous combustion systemsWOODWARD GOVERNOR CO·Filed 2005·Granted Apr 17, 2007·53 cites·16 claims
- 0891US7118114B2Dynamic sealing arrangement for movable shaftWOODWARD GOVERNOR CO·Filed 2003·Granted Oct 10, 2006·45 cites·17 claims
- 0991US7096658B2Centrifugal pump fuel system and method for gas turbine engineWOODWARD GOVERNOR CO·Filed 2005·Granted Aug 29, 2006·39 cites·11 claims
- 1091US7007661B2Method and apparatus for controlling micro pilot fuel injection to minimize NOx and UHC emissionsWOODWARD GOVERNOR CO·Filed 2004·Granted Mar 7, 2006·89 cites·17 claims
- 1190US7878169B2Cam roller pin with transverse groovesWOODWARD GOVERNOR CO·Filed 2006·Granted Feb 1, 2011·14 cites·15 claims
- 1290US7490594B2Super-turbochargerWOODWARD GOVERNOR CO·Filed 2005·Granted Feb 17, 2009·64 cites·3 claims
- 1390US6935310B2Method and apparatus for detecting abnormal combustion conditions in reciprocating engines having high exhaust gas recirculationWOODWARD GOVERNOR CO·Filed 2004·Granted Aug 30, 2005·25 cites·39 claims
- 1490US5398724AHigh speed electrically actuated gaseous fuel admission valveWOODWARD GOVERNOR CO·Filed 1993·Granted Mar 21, 1995·78 cites·21 claims
- 1589US7280019B2Single coil solenoid having a permanent magnet with bi-directional assistWOODWARD GOVERNOR CO·Filed 2003·Granted Oct 9, 2007·33 cites·17 claims
- 1689US7131274B2Method to transfer fuel in a fuel system for a gas turbine engineWOODWARD GOVERNOR CO·Filed 2005·Granted Nov 7, 2006·28 cites·10 claims
- 1789US5798941ASurge prevention control system for dynamic compressorsWOODWARD GOVERNOR CO·Filed 1997·Granted Aug 25, 1998·120 cites·27 claims
- 1888US7832377B2Thermal protection for fuel injectorsWOODWARD GOVERNOR CO·Filed 2008·Granted Nov 16, 2010·27 cites·18 claims
- 1988US6889121B1Method to adaptively control and derive the control voltage of solenoid operated valves based on the valve closure pointWOODWARD GOVERNOR CO·Filed 2004·Granted May 3, 2005·48 cites·34 claims
- 2088US6752135B2Apparatus for air/fuel ratio controlWOODWARD GOVERNOR CO·Filed 2002·Granted Jun 22, 2004·36 cites·18 claims
- 2188US6016832AValve for controlling gas mass flowWOODWARD GOVERNOR CO·Filed 1997·Granted Jan 25, 2000·79 cites·18 claims
- 2288US4716723AFuel controls for gas turbine enginesWOODWARD GOVERNOR CO·Filed 1986·Granted Jan 5, 1988·68 cites·5 claims
- 2387US7827795B2Active thermal protection for fuel injectorsWOODWARD GOVERNOR CO·Filed 2008·Granted Nov 9, 2010·29 cites·20 claims
- 2487US6993960B2Method and apparatus for detecting combustion instability in continuous combustion systemsWOODWARD GOVERNOR CO·Filed 2003·Granted Feb 7, 2006·48 cites·24 claims
- 2587US6742499B2Method and apparatus for detecting abnormal combustion conditions in lean burn reciprocating enginesWOODWARD GOVERNOR CO·Filed 2002·Granted Jun 1, 2004·23 cites·41 claims
- 2687US5832905AMethod and apparatus for providing multipoint gaseous fuel injection to an internal combustion engineWOODWARD GOVERNOR CO·Filed 1997·Granted Nov 10, 1998·41 cites·15 claims
- 2787US4542802AEngine and transmission control system for combines and the likeWOODWARD GOVERNOR CO·Filed 1984·Granted Sep 24, 1985·69 cites·16 claims
- 2886US7798125B2Method and system for closed loop combustion control of a lean-burn reciprocating engine using ionization detectionWOODWARD GOVERNOR CO·Filed 2008·Granted Sep 21, 2010·15 cites·26 claims
- 2986US7658614B2Method and apparatus for fabricating and connecting a semiconductor power switching deviceWOODWARD GOVERNOR CO·Filed 2006·Granted Feb 9, 2010·12 cites·8 claims
- 3086US7017884B2Fluid metering valveWOODWARD GOVERNOR CO·Filed 2004·Granted Mar 28, 2006·46 cites·26 claims
- 3186US6877306B2Nozzle assembly with flow divider and ecology valveWOODWARD GOVERNOR CO·Filed 2003·Granted Apr 12, 2005·47 cites·29 claims
- 3286US6260776B1Universal gaseous fuel injector cartridgeWOODWARD GOVERNOR CO·Filed 2000·Granted Jul 17, 2001·27 cites·11 claims
- 3386US5436538ALocomotive wheel slip controllerWOODWARD GOVERNOR CO·Filed 1994·Granted Jul 25, 1995·51 cites·24 claims
- 3485US7475537B2Maintaining the position of an electro-hydraulic servo valve controlled device upon loss of position commandWOODWARD GOVERNOR CO·Filed 2006·Granted Jan 13, 2009·14 cites·17 claims
- 3583US7351179B2Stepper motor driven proportional actuatorWOODWARD GOVERNOR CO·Filed 2005·Granted Apr 1, 2008·13 cites·20 claims
- 3683US7044434B2High recovery sonic gas valveWOODWARD GOVERNOR CO·Filed 2004·Granted May 16, 2006·28 cites·44 claims
- 3783US6270024B1Hydraulically actuated fuel injector cartridge and system for high pressure gaseous fuel injectionWOODWARD GOVERNOR CO·Filed 2000·Granted Aug 7, 2001·37 cites·15 claims
- 3883US4164722AElectromagnetic actuator with torque-compensating polesWOODWARD GOVERNOR CO·Filed 1978·Granted Aug 14, 1979·30 cites·13 claims
- 3982US7527481B2Ejector pump for a fuel system for a gas turbine engineWOODWARD GOVERNOR CO·Filed 2005·Granted May 5, 2009·18 cites·18 claims
- 4082US5499157AMultiplexed electronic fuel injection control systemWOODWARD GOVERNOR CO·Filed 1994·Granted Mar 12, 1996·43 cites·18 claims
- 4181US7007452B1Fuel system for a gas turbine engineWOODWARD GOVERNOR CO·Filed 2003·Granted Mar 7, 2006·38 cites·11 claims
- 4280US6381946B1Two stage fuel metering system for gas turbineWOODWARD GOVERNOR CO·Filed 2000·Granted May 7, 2002·44 cites·22 claims
- 4380US6102001AVariable displacement pump fuel metering system and electrohydraulic servo-valve for controlling the sameWOODWARD GOVERNOR CO·Filed 1998·Granted Aug 15, 2000·78 cites·24 claims
- 4480US5222022AMethod and apparatus for iterated determinations of sensed speed and speed governingWOODWARD GOVERNOR CO·Filed 1990·Granted Jun 22, 1993·36 cites·2 claims
- 4579US7823562B2Engine fuel control systemWOODWARD GOVERNOR CO·Filed 2008·Granted Nov 2, 2010·20 cites·20 claims
- 4678US7930089B2Controller for a solenoid operated valveWOODWARD GOVERNOR CO·Filed 2008·Granted Apr 19, 2011·8 cites·33 claims
- 4778US6981359B2Centrifugal pump fuel system and method for gas turbine engineWOODWARD GOVERNOR CO·Filed 2003·Granted Jan 3, 2006·33 cites·30 claims
- 4878US4794544AMethod and apparatus for automatically index testing a kaplan turbineWOODWARD GOVERNOR CO·Filed 1987·Granted Dec 27, 1988·65 cites·29 claims
- 4978US4136286AIsolated electrical power generation system with multiple isochronous, load-sharing engine-generator unitsWOODWARD GOVERNOR CO·Filed 1977·Granted Jan 23, 1979·61 cites·5 claims
- 5077US6725876B2Control valve with integrated electro-hydraulic actuatorWOODWARD GOVERNOR CO·Filed 2001·Granted Apr 27, 2004·19 cites·20 claims
Showing the top 50 of 139 patent records by PatentIndex Score.
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