Assignee
WESTPORT RES INC
CA·30 granted patents·1,776 citations·filing 1997–2005
Top patents by PatentIndex Score
30 records- 0197US6336598B1Gaseous and liquid fuel injector with a two way hydraulic fluid control valveWESTPORT RES INC·Filed 2000·Granted Jan 8, 2002·92 cites·29 claims
- 0296US6202601B1Method and apparatus for dual fuel injection into an internal combustion engineWESTPORT RES INC·Filed 2000·Granted Mar 20, 2001·168 cites·45 claims
- 0395US6547250B1Seal assembly with two sealing mechanisms for providing static and dynamic sealingWESTPORT RES INC·Filed 2000·Granted Apr 15, 2003·100 cites·31 claims
- 0495US6298833B1Fluid seal apparatus and method for dynamically controlling sealing-fluid pressureWESTPORT RES INC·Filed 2000·Granted Oct 9, 2001·101 cites·48 claims
- 0595US5996558AHydraulically actuated gaseous or dual fuel injectorWESTPORT RES INC·Filed 1998·Granted Dec 7, 1999·108 cites·56 claims
- 0695US5832906AIntensifier apparatus and method for supplying high pressure gaseous fuel to an internal combustion engineWESTPORT RES INC·Filed 1998·Granted Nov 10, 1998·119 cites·11 claims
- 0794US6898940B2High pressure pump system for supplying a cryogenic fluid from a storage tankWESTPORT RES INC·Filed 2003·Granted May 31, 2005·70 cites·12 claims
- 0894US6675748B2Method and apparatus for fuel injection into an internal combustion engineWESTPORT RES INC·Filed 2002·Granted Jan 13, 2004·70 cites·44 claims
- 0994US6640773B2Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engineWESTPORT RES INC·Filed 2000·Granted Nov 4, 2003·83 cites·54 claims
- 1093US6575138B2Directly actuated injection valveWESTPORT RES INC·Filed 2001·Granted Jun 10, 2003·59 cites·41 claims
- 1193US6298829B1Directly actuated injection valveWESTPORT RES INC·Filed 2000·Granted Oct 9, 2001·74 cites·32 claims
- 1293US6073862AGaseous and liquid fuel injectorWESTPORT RES INC·Filed 1998·Granted Jun 13, 2000·147 cites·26 claims
- 1392US6640556B2Method and apparatus for pumping a cryogenic fluid from a storage tankWESTPORT RES INC·Filed 2001·Granted Nov 4, 2003·55 cites·43 claims
- 1491US5884488AHigh pressure fuel supply system for natural gas vehiclesWESTPORT RES INC·Filed 1997·Granted Mar 23, 1999·148 cites·27 claims
- 1590US6659730B2High pressure pump system for supplying a cryogenic fluid from a storage tankWESTPORT RES INC·Filed 2001·Granted Dec 9, 2003·55 cites·38 claims
- 1689US6761325B2Dual fuel injection valve and method of operating a dual fuel injection valveWESTPORT RES INC·Filed 2001·Granted Jul 13, 2004·63 cites·36 claims
- 1789US6439192B1Gaseous and liquid fuel injection valve with concentric needlesWESTPORT RES INC·Filed 2000·Granted Aug 27, 2002·44 cites·16 claims
- 1888US5868122ACompressed natural gas cylinder pump and reverse cascade fuel supply systemWESTPORT RES INC·Filed 1997·Granted Feb 9, 1999·53 cites·11 claims
- 1987US7133761B2Method and apparatus for controlling an internal combustion engine using accelerometersWESTPORT RES INC·Filed 2004·Granted Nov 7, 2006·23 cites·26 claims
- 2087US7090145B2Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valveWESTPORT RES INC·Filed 2005·Granted Aug 15, 2006·22 cites·46 claims
- 2181US6584958B2Directly actuated injection valve with a ferromagnetic needleWESTPORT RES INC·Filed 2001·Granted Jul 1, 2003·24 cites·22 claims
- 2277US6564777B2Directly actuated injection valve with a composite needleWESTPORT RES INC·Filed 2001·Granted May 20, 2003·20 cites·28 claims
- 2375US7077115B2Direct injection gaseous fuel engine with ignition assistWESTPORT RES INC·Filed 2005·Granted Jul 18, 2006·10 cites·21 claims
- 2469US6398527B1Reciprocating motor with uni-directional fluid flowWESTPORT RES INC·Filed 2000·Granted Jun 4, 2002·13 cites·15 claims
- 2568US7100577B2Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission device and a method of operating sameWESTPORT RES INC·Filed 2004·Granted Sep 5, 2006·13 cites·78 claims
- 2667US7011070B2Method of reducing particulates and enhancing burning rate within a combustion chamberWESTPORT RES INC·Filed 2005·Granted Mar 14, 2006·6 cites·27 claims
- 2759US7036322B2Storage tank for cryogenic liquidsWESTPORT RES INC·Filed 2003·Granted May 2, 2006·11 cites·21 claims
- 2854US7040281B2Method of injecting a gaseous fuel into an internal combustion engineWESTPORT RES INC·Filed 2004·Granted May 9, 2006·8 cites·46 claims
- 2954US6589027B2Double acting reciprocating motor with uni-directional fluid flowWESTPORT RES INC·Filed 2002·Granted Jul 8, 2003·9 cites·20 claims
- 3050US6923008B2Method for transferring cryogenic liquids and associated cryogenic fill nozzle insulating bootWESTPORT RES INC·Filed 2003·Granted Aug 2, 2005·8 cites·25 claims
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