Inventor · disambiguated record
David William Balsdon
Also filed as: BALSDON DAVID · BALSDON DAVID W · BALSDON DAVID WILLIAM
33 granted patents·8 pending applications·448 citations·filing 1997–2020
97Inventor score
Files withSIEMENS CANADA LTD10CONTINENTAL AUTOMOTIVE SYSTEMS9Continental automotive systems inc9LITENS AUTOMOTIVE INC2SIEMENS AUTOMOTIVE INC2
Top patents by PatentIndex Score
41 records- 0194US10253900B2Latching valve assembly having position sensingContinental automotive systems inc·Filed 2015·Granted Apr 9, 2019·13 cites·4 claims
- 0293US9890747B2Tank pressure control solenoid with passive tank vacuumContinental automotive systems inc·Filed 2015·Granted Feb 13, 2018·11 cites·12 claims
- 0391US6739573B1Canister purge valve noise attenuationSIEMENS CANADA LTD·Filed 2000·Granted May 25, 2004·36 cites·14 claims
- 0489US9909540B2Method and device for operating an internal combustion engineHEINRICH STEPHAN·Filed 2011·Granted Mar 6, 2018·12 cites·10 claims
- 0589US5901688AAutomotive emission control valve mountingSIEMENS CANADA LTD·Filed 1998·Granted May 11, 1999·52 cites·19 claims
- 0687US7311089B2High flow, low vacuum carbon canister purge valveSIEMENS VDO AUTOMOTIVE CANADA·Filed 2006·Granted Dec 25, 2007·14 cites·19 claims
- 0787US5967487AAutomotive emission control valve with a cushion mediaSIEMENS CANADA LTD·Filed 1997·Granted Oct 19, 1999·59 cites·19 claims
- 0884US9631583B2Latching mechanism for a fuel tank isolation valve assemblyContinental automotive systems inc·Filed 2014·Granted Apr 25, 2017·5 cites·21 claims
- 0982US9310349B2Sensor structure for EVAP hydrocarbon concentration and flow rateCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2013·Granted Apr 12, 2016·4 cites·15 claims
- 1082US6843271B2Fuel tank pressure control valve including an integrated sensorSIEMENS VDO AUTOMOTIVE INC·Filed 2001·Granted Jan 18, 2005·31 cites·14 claims
- 1180US5909725AAutomotive emission control valve retaining clip and mounting methodSIEMENS CANADA LTD·Filed 1998·Granted Jun 8, 1999·36 cites·20 claims
- 1279US9605625B2High performance vacuum venturi pumpContinental automotive systems inc·Filed 2014·Granted Mar 28, 2017·5 cites·16 claims
- 1378US9732705B2Latching canister vent valveContinental automotive systems inc·Filed 2014·Granted Aug 15, 2017·3 cites·12 claims
- 1478US9359978B2Turbo purge module hose detection and blow off prevention check valveCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2014·Granted Jun 7, 2016·4 cites·20 claims
- 1577US6152115AIntegrated engine intake manifold having a fuel vapor purge valve and an exhaust gas recirculation valveSIEMENS CANADA LTD·Filed 1998·Granted Nov 28, 2000·32 cites·10 claims
- 1677US5996559AIntegrated manifold and purge valveSIEMENS CANADA LTD·Filed 1998·Granted Dec 7, 1999·31 cites·23 claims
- 1776US9784224B2Latching solenoid exhaust gas recirculation valve assemblyContinental automotive systems inc·Filed 2015·Granted Oct 10, 2017·2 cites·27 claims
- 1874US7621264B2Cartridge style exhaust bypass valveCONTINENTAL AUTOMOTIVE CANADA·Filed 2007·Granted Nov 24, 2009·7 cites·10 claims
- 1973US6000677AAutomotive emission control valve with a counter-force mechanismSIEMENS CANADA LTD·Filed 1997·Granted Dec 14, 1999·33 cites·54 claims
- 2068US9683523B2On-board diagnostic check for evap latching valvesContinental automotive systems inc·Filed 2014·Granted Jun 20, 2017·3 cites·19 claims
- 2166US6073617AManifold-mounted emission control valveSIEMENS CANADA LTD·Filed 1998·Granted Jun 13, 2000·23 cites·30 claims
- 2262US9506428B2Turbo bypass switch valve mounting on air boxContinental automotive systems inc·Filed 2014·Granted Nov 29, 2016·1 cites·16 claims
- 2362US6722626B2Valve providing increase in flow for increase in power levelSIEMENS AUTOMOTIVE INC·Filed 2001·Granted Apr 20, 2004·10 cites·21 claims
- 2458US6568374B2Purge valve with integral diagnostic memberSIEMENS VDO AUTOMOTIVE INC·Filed 2001·Granted May 27, 2003·6 cites·30 claims
- 2556US6668857B2Flow reversal control valveSIEMENS CANADA LTD·Filed 2001·Granted Dec 30, 2003·8 cites·18 claims
- 2655US8172201B2Exhaust throttling valve using a general purpose actuatorVEINOTTE ANDRE·Filed 2007·Granted May 8, 2012·2 cites·16 claims
- 2755US7900609B2Dual exhaust gas recirculation valveCONTINENTAL AUTOMOTIVE CANADA INC·Filed 2008·Granted Mar 8, 2011·2 cites·16 claims
- 2852US9726119B2Direct mount canister purge solenoid with additional vacuum portsContinental automotive systems inc·Filed 2014·Granted Aug 8, 2017·0 cites·10 claims
- 2949US2015101677A1Integrated pressure transducer in a latching valveCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2014·Application pending·0 cites
- 3048US6672291B2Purge valve with evaluation portSIEMENS AUTOMOTIVE INC·Filed 2001·Granted Jan 6, 2004·3 cites·42 claims
- 3147US9115675B2Method and system for cleaning a charcoal canister of an emissions system using a fuel cellCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2012·Granted Aug 25, 2015·0 cites·9 claims
- 3247US2015034180A1Tank pressure control solenoid with passive tank vacuum reliefCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2014·Application pending·0 cites
- 3346US11892038B2Clutch system and method of operating an accessory shaftLITENS AUTOMOTIVE INC·Filed 2020·Granted Feb 6, 2024·0 cites·17 claims
- 3445US2013160746A1Method And System For Regulated Exhaust Heating Of A Charcoal Canister Of An Emissions System To Reduce HeelCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2012·Application pending·0 cites
- 3544US2014326534A1Natural vacuum leak detection noise attenuation deviceCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2013·Application pending·0 cites
- 3644US2013152904A1Turbo Purge Module For Turbocharged VehicleCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2012·Application pending·0 cites
- 3740US11365769B2Energy efficient A/C compressor clutchLITENS AUTOMOTIVE INC·Filed 2019·Granted Jun 21, 2022·0 cites·9 claims
- 3839US2004194831A1System and method including a fluid actuated fuel tank isolation valveFiled 2004·Application pending·0 cites
- 3936US9206772B2Articulating poppet to seal a natural vacuum leak detection deviceBALSDON DAVID WILLIAM·Filed 2012·Granted Dec 8, 2015·0 cites·11 claims
- 4036US2002096655A1Canister purge valve for high regeneration airflowSIEMENS CANADA LTD·Filed 2002·Application pending·0 cites
- 4134US2013152905A1Hydrocarbon sensor for purging canister of extended range electric vehicleCONTINENTAL AUTOMOTIVE SYSTEMS·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →