Inventor · disambiguated record
Ian J. Macewen
Also filed as: MACEWEN IAN J
12 granted patents·2 pending applications·173 citations·filing 2005–2016
91Inventor score
Files withGM GLOBAL TECH OPERATIONS INC5GM GLOBAL TECH OPERATIONS LLC5BAGNASCO ANDREW P1GEN MOTORS CORP1TURIN RAYMOND CLAUDE1
Top patents by PatentIndex Score
14 records- 0195US7159623B1Apparatus and methods for estimating vehicle fuel compositionGEN MOTORS CORP·Filed 2005·Granted Jan 9, 2007·44 cites·22 claims
- 0294US7793489B2Fuel control for robust detection of catalytic converter oxygen storage capacityGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Sep 14, 2010·33 cites·13 claims
- 0393US9874167B2Control systems and methods for air fuel imbalance and cylinder deactivationGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 23, 2018·14 cites·19 claims
- 0493US7987704B2Fuel system diagnostic systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Aug 2, 2011·26 cites·30 claims
- 0588US10167803B2Systems and methods for performing prognosis of fuel deliveryGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 1, 2019·4 cites·7 claims
- 0688US8577645B2Air/fuel mixture imbalance diagnostic systems and methodsTURIN RAYMOND CLAUDE·Filed 2008·Granted Nov 5, 2013·27 cites·14 claims
- 0780US9230371B2Fuel control diagnostic systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jan 5, 2016·11 cites·18 claims
- 0877US9217383B2Imbalance re-synchronization control systems and methodsBAGNASCO ANDREW P·Filed 2011·Granted Dec 22, 2015·4 cites·23 claims
- 0966US7673621B2Learn correction feature for virtual flex fuel sensorGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Mar 9, 2010·5 cites·14 claims
- 1058US7941265B2Individual cylinder fuel mass correction factor for high drivability index (HIDI) fuelGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted May 10, 2011·3 cites·18 claims
- 1152US8670894B2Control system and method for sensor signal out of range detectionWANG WENBO·Filed 2009·Granted Mar 11, 2014·2 cites·16 claims
- 1248US9845759B2System and method for inducing a fuel system faultGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Dec 19, 2017·0 cites·20 claims
- 1337US2016370255A1System and method for detecting engine events with an acoustic sensorGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 1432US2017191429A1Use Of Intrusive Turbo Wastegate Control For Improved AFIM Detection CapabilityGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →