Assignee
WESTPORT POWER INC
CA·115 granted patents·13 pending applications·1,690 citations·filing 2002–2019
Top patents by PatentIndex Score
128 records- 0198US7463967B2Direct injection gaseous-fuelled engine and method of controlling fuel injection pressureWESTPORT POWER INC·Filed 2007·Granted Dec 9, 2008·62 cites·48 claims
- 0297US7627416B2Method and apparatus for operating a dual fuel internal combustion engineWESTPORT POWER INC·Filed 2008·Granted Dec 1, 2009·248 cites·24 claims
- 0397US7392129B2Method for controlling combustion in an internal combustion engine and predicting performance and emissionsWESTPORT POWER INC·Filed 2004·Granted Jun 24, 2008·93 cites·19 claims
- 0496US8555852B2Gaseous-fuelled stoichiometric compression ignition internal combustion engineWESTPORT POWER INC·Filed 2013·Granted Oct 15, 2013·30 cites·35 claims
- 0596US7542842B2Method for controlling combustion in an internal combustion engine and predicting performance and emissionsWESTPORT POWER INC·Filed 2008·Granted Jun 2, 2009·36 cites·27 claims
- 0696US7373931B2Method and apparatus for delivering two fuels to a direct injection internal combustion engineWESTPORT POWER INC·Filed 2007·Granted May 20, 2008·108 cites·39 claims
- 0796US7325529B2Method and apparatus for controlling combustion quality of a gaseous-fuelled internal combustion engineWESTPORT POWER INC·Filed 2006·Granted Feb 5, 2008·64 cites·34 claims
- 0896US7308889B2High pressure gaseous fuel supply system for an internal combustion engine and a method of sealing connections between components to prevent leakage of a high pressure gaseous fuelWESTPORT POWER INC·Filed 2006·Granted Dec 18, 2007·64 cites·40 claims
- 0995US8800529B2Dual fuel injection valveWESTPORT POWER INC·Filed 2013·Granted Aug 12, 2014·27 cites·31 claims
- 1095US7527041B2Fuel injection valveWESTPORT POWER INC·Filed 2007·Granted May 5, 2009·46 cites·17 claims
- 1195US7386977B2Method and apparatus for regenerating NOx adsorbersWESTPORT POWER INC·Filed 2005·Granted Jun 17, 2008·40 cites·7 claims
- 1294US10400712B2Intelligent pressure management system for cryogenic fluid systemsWESTPORT POWER INC·Filed 2016·Granted Sep 3, 2019·9 cites·20 claims
- 1394US8671911B2Dual fuel engine system and method of operatingWESTPORT POWER INC·Filed 2013·Granted Mar 18, 2014·17 cites·19 claims
- 1494US7225790B2Valve device and method for injecting a gaseous fuelWESTPORT POWER INC·Filed 2005·Granted Jun 5, 2007·42 cites·55 claims
- 1593US8028676B2Fuel injection control method for a direct injection gaseous-fuelled internal combustion engineWESTPORT POWER INC·Filed 2010·Granted Oct 4, 2011·28 cites·36 claims
- 1693US7213564B2Direct injection combustion chamber geometryWESTPORT POWER INC·Filed 2005·Granted May 8, 2007·33 cites·17 claims
- 1792US9856837B2Apparatus and method for fuelling a flexible-fuel internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Jan 2, 2018·14 cites·68 claims
- 1892US9790868B2Apparatus and method for igniting a gaseous fuel in a direct injection internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Oct 17, 2017·11 cites·42 claims
- 1992US7850034B2Multi-fuel storage system and method of storing fuel in a multi-fuel storage systemWESTPORT POWER INC·Filed 2008·Granted Dec 14, 2010·28 cites·11 claims
- 2092US7444231B2Method of mounting an accelerometer on an internal combustion engine and increasing signal-to-noise ratioWESTPORT POWER INC·Filed 2007·Granted Oct 28, 2008·30 cites·61 claims
- 2192US7162994B2Control method and apparatus for gaseous fuelled internal combustion engineWESTPORT POWER INC·Filed 2005·Granted Jan 16, 2007·23 cites·25 claims
- 2290US10371069B2Control system for a flexible fuel internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Aug 6, 2019·14 cites·21 claims
- 2390US10233871B2Air-enriched gaseous fuel direct injection for an internal combustion engineWESTPORT POWER INC·Filed 2015·Granted Mar 19, 2019·5 cites·32 claims
- 2490US7302939B2Exhaust gas recirculation methods and apparatus for reducing NOx emissions from internal combustion enginesWESTPORT POWER INC·Filed 2005·Granted Dec 4, 2007·19 cites·34 claims
- 2590US7293418B2Method and apparatus for delivering a high pressure gas from a cryogenic storage tankWESTPORT POWER INC·Filed 2002·Granted Nov 13, 2007·65 cites·77 claims
- 2689US9482168B2Mid-cycle fuel injection strategiesWESTPORT POWER INC·Filed 2015·Granted Nov 1, 2016·4 cites·24 claims
- 2789US8763565B2Two engine system with a gaseous fuel stored in liquefied formWESTPORT POWER INC·Filed 2013·Granted Jul 1, 2014·13 cites·20 claims
- 2889US7913496B2Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performanceWESTPORT POWER INC·Filed 2008·Granted Mar 29, 2011·18 cites·11 claims
- 2989US7527482B2Method and apparatus for compressing a gas to a high pressureWESTPORT POWER INC·Filed 2003·Granted May 5, 2009·56 cites·20 claims
- 3089US7162995B2Method for injecting gaseous fuels into an internal combustion engine at high pressuresWESTPORT POWER INC·Filed 2006·Granted Jan 16, 2007·23 cites·23 claims
- 3188US10598133B2Gaseous fuel vent handling apparatus and methodWESTPORT POWER INC·Filed 2015·Granted Mar 24, 2020·6 cites·22 claims
- 3288US9771886B2Method and system for delivering a gaseous fuel into the air intake system of an internal combustion engineWESTPORT POWER INC·Filed 2015·Granted Sep 26, 2017·7 cites·23 claims
- 3388US7775391B2Container for holding a cryogenic fuelWESTPORT POWER INC·Filed 2006·Granted Aug 17, 2010·17 cites·41 claims
- 3488US7739941B2Hydraulic drive system and method of operating a hydraulic drive systemWESTPORT POWER INC·Filed 2007·Granted Jun 22, 2010·23 cites·32 claims
- 3588US7281515B2Method of injecting a gaseous fuel into an internal combustion engineWESTPORT POWER INC·Filed 2006·Granted Oct 16, 2007·16 cites·37 claims
- 3687US10450970B2Detecting and mitigating abnormal combustion characteristicsWESTPORT POWER INC·Filed 2016·Granted Oct 22, 2019·4 cites·22 claims
- 3787US7546744B2Storage tank for a cryogenic liquid and method of re-filling sameWESTPORT POWER INC·Filed 2007·Granted Jun 16, 2009·21 cites·43 claims
- 3887US7281514B2Glow ring ignition assist for internal combustion engineWESTPORT POWER INC·Filed 2005·Granted Oct 16, 2007·16 cites·38 claims
- 3986US9546615B2Air-fuel ratio control in a multi-fuel internal combustion engineWESTPORT POWER INC·Filed 2015·Granted Jan 17, 2017·4 cites·22 claims
- 4086US7284575B2Combined liquefied gas and compressed gas re-fueling station and method of operating sameWESTPORT POWER INC·Filed 2003·Granted Oct 23, 2007·42 cites·33 claims
- 4185US10247112B2Hydraulically actuated gaseous fuel injectorWESTPORT POWER INC·Filed 2016·Granted Apr 2, 2019·3 cites·19 claims
- 4285US10167786B2Method and system for operating gaseous-fuelled direct injection internal combustion engineWESTPORT POWER INC·Filed 2015·Granted Jan 1, 2019·3 cites·19 claims
- 4385US9513155B2Apparatus and method for volume and mass estimation of a multiphase fluid stored at cryogenic temperaturesWESTPORT POWER INC·Filed 2014·Granted Dec 6, 2016·8 cites·43 claims
- 4485US9366195B2Fuel injection valve and method of actuatingWESTPORT POWER INC·Filed 2014·Granted Jun 14, 2016·7 cites·20 claims
- 4584US10767611B2Fuel injectorWESTPORT POWER INC·Filed 2018·Granted Sep 8, 2020·2 cites·21 claims
- 4682US9909513B2Fuel system protection in a multi-fuel system internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Mar 6, 2018·5 cites·17 claims
- 4782US7343895B2Fuel injection system and method of operation for a gaseous fuelled engine with liquid pilot fuel ignitionWESTPORT POWER INC·Filed 2006·Granted Mar 18, 2008·17 cites·61 claims
- 4881US10371065B2High pressure fluid control system and method of controlling pressure bias in an end use deviceWESTPORT POWER INC·Filed 2016·Granted Aug 6, 2019·3 cites·20 claims
- 4981US7344045B2Container for holding a cryogenic fluidWESTPORT POWER INC·Filed 2004·Granted Mar 18, 2008·29 cites·31 claims
- 5081US7124959B2Dual fuel injection valve and method of operating a dual fuel injection valveWESTPORT POWER INC·Filed 2004·Granted Oct 24, 2006·38 cites·23 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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