Inventor · disambiguated record
Andrew M. Zettel
Also filed as: ZETTEL ANDREW M · ZETTEL ANDREW MICHAEL
48 granted patents·6 pending applications·407 citations·filing 2002–2024
98Inventor score
Files withGM GLOBAL TECH OPERATIONS INC24GM GLOBAL TECH OPERATIONS LLC15MARTINI RYAN D3ZETTEL ANDREW M3WANG WEI D2
Top patents by PatentIndex Score
54 records- 0193US10464547B2Vehicle with model-based route energy prediction, correction, and optimizationGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Nov 5, 2019·24 cites·20 claims
- 0293US7557583B2System and method for monitoring an electrical power relay in a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 7, 2009·36 cites·15 claims
- 0393US7538520B2Method and apparatus for quantifying quiescent period temperature effects upon an electric energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 26, 2009·15 cites·16 claims
- 0490US9857252B2Automated e-assist adjustment for an e-bike for elevation gains and lossGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jan 2, 2018·12 cites·11 claims
- 0590US8244427B2Modular temperature performance diagnostic for a vehicleWEISS ROBERT·Filed 2010·Granted Aug 14, 2012·13 cites·16 claims
- 0688US8918240B2Method for operating hybrid vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 23, 2014·16 cites·22 claims
- 0784US7550946B2Method and apparatus for real-time life estimation of an electric energy storage device in a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 23, 2009·16 cites·12 claims
- 0883US10507841B1System and method for sensor diagnosticsGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Dec 17, 2019·9 cites·20 claims
- 0983US7869924B2Method and apparatus to monitor a flow management valve of an electro-mechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 11, 2011·12 cites·17 claims
- 1083US7639018B2Method and apparatus for predicting change in an operating state of an electric energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 29, 2009·20 cites·16 claims
- 1182US7974749B2Belt slip diagnostic system for accessory and hybrid electric drivesGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 5, 2011·21 cites·21 claims
- 1282US6555991B1Battery operating condition dependent method and apparatus for controlling energy transfer between an energy bus and a system of batteriesFiled 2002·Granted Apr 29, 2003·50 cites·55 claims
- 1381US7638980B2Method and apparatus for determining the effect of temperature upon life expectancy of an electric energy storage device in a hybrid electric vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 29, 2009·14 cites·13 claims
- 1480US7730984B2Method and apparatus for control of a hybrid electric vehicle to achieve a target life objective for an energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 8, 2010·18 cites·14 claims
- 1579US8091667B2Method for operating a hybrid electric powertrain based on predictive effects upon an electrical energy storage deviceZETTEL ANDREW M·Filed 2006·Granted Jan 10, 2012·14 cites·11 claims
- 1679US7848902B2Method and apparatus for monitoring a thermal management system of an electro-mechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 7, 2010·11 cites·12 claims
- 1777US7867135B2Electro-mechanical transmission control systemGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jan 11, 2011·10 cites·19 claims
- 1876US11967851B2Electrified powertrain with method for determining battery limits based on cell factorsGM GLOBAL TECH OPERATIONS LLC·Filed 2021·Granted Apr 23, 2024·1 cites·20 claims
- 1976US8357074B2Electro-mechanical transmission control systemGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 22, 2013·5 cites·6 claims
- 2075US10124679B2Method and apparatus for recharging an energy storage device on a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 13, 2018·3 cites·8 claims
- 2175US8634985B2Method of detecting an in-range failure of a brake pedal position sensorZETTEL ANDREW M·Filed 2011·Granted Jan 21, 2014·5 cites·19 claims
- 2274US9260087B2Regenerative braking system and method for controlling a regenerative braking systemALDRICH III WILLIAM L·Filed 2010·Granted Feb 16, 2016·4 cites·18 claims
- 2374US8447449B2Belt slip detection diagnosticPRUCKA MICHAEL·Filed 2010·Granted May 21, 2013·8 cites·20 claims
- 2472US8281885B2Method and apparatus to monitor rotational speeds in an electro-mechanical transmissionZETTEL ANDREW M·Filed 2008·Granted Oct 9, 2012·9 cites·7 claims
- 2572US7570022B2Variable battery refresh charging cyclesGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Aug 4, 2009·11 cites·54 claims
- 2671US8005632B2Method and apparatus for detecting faults in a current sensing deviceGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 23, 2011·7 cites·13 claims
- 2768US7598712B2Method and apparatus for real-time life estimation of an electric energy storage deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Oct 6, 2009·5 cites·17 claims
- 2864US9008891B2Temperature sensor rationalizationGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Apr 14, 2015·3 cites·17 claims
- 2963US12491792B2Systems and methods for monitoring high voltage exposure hours of a high voltage system of an electric vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Dec 9, 2025·0 cites·20 claims
- 3063US7647205B2Method and apparatus for management of an electric energy storage device to achieve a target life objectiveGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 12, 2010·5 cites·12 claims
- 3162US11305752B2Method and apparatus for emissions mitigation on a hybrid vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Apr 19, 2022·0 cites·20 claims
- 3262US9428073B2System and method of monitoring a performance level of a batteryGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Aug 30, 2016·2 cites·20 claims
- 3361US8600605B2Distributed diagnostics architectureGRENN DANIEL P·Filed 2006·Granted Dec 3, 2013·7 cites·40 claims
- 3461US2024310187A1Virtual odometer for electric vehiclesGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Application pending·0 cites
- 3560US7544151B2Method and apparatus to monitor operation of an auxiliary hydraulic pump in a transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jun 9, 2009·5 cites·17 claims
- 3659US2015224979A1Drive mode moderator for a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 3758US12481004B2Systems and methods for monitoring a state of health of a battery system of an electric vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Nov 25, 2025·0 cites·20 claims
- 3857US7878932B2Method and apparatus to monitor a valve adapted to control mode to gear transitions during operation of an electro-mechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 1, 2011·4 cites·20 claims
- 3956US8027771B2Method and apparatus to monitor an output speed sensor during operation of an electro-mechanical transmissionGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 27, 2011·5 cites·15 claims
- 4056US2025249888A1Hybrid vehicle systems and methods for controlling torque and diagnosing torque constraintsGM GLOBAL TECH OPERATIONS LLC·Filed 2024·Application pending·0 cites
- 4155US9045134B2Method and systems for emissions compliant use of telematics inputs to a propulsion control system for function enablementGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 2, 2015·1 cites·20 claims
- 4253US9611931B2Method to detect loss of fluid or blockage in a hydraulic circuit using exponentially weighted moving average filterNAQVI ALI K·Filed 2012·Granted Apr 4, 2017·1 cites·9 claims
- 4353US8346424B2Method of monitoring in-use performance ratios of onboard diagnostic systems for plug-in hybrid electric vehiclesGM GLOBAL TECH OPERATIONS INC·Filed 2010·Granted Jan 1, 2013·2 cites·20 claims
- 4453US2021226276A1Control of coolant temperature in energy storage enclosureGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Application pending·0 cites
- 4551US12263833B2Intelligent vehicle systems and control logic for intrusive detection of high-voltage pathway failuresGM GLOBAL TECH OPERATIONS LLC·Filed 2022·Granted Apr 1, 2025·0 cites·20 claims
- 4650US8066615B2Method and apparatus to detect a mode-gear mismatch during operation of an electro-mechanical transmissionMARTINI RYAN D·Filed 2007·Granted Nov 29, 2011·3 cites·8 claims
- 4744US9527495B2Vehicle systems and methods with improved heating performanceGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Dec 27, 2016·0 cites·18 claims
- 4844US8393996B2Method and apparatus to detect a mode-gear mismatch during operation of an electro-mechanical transmissionMARTINI RYAN D·Filed 2011·Granted Mar 12, 2013·0 cites·5 claims
- 4941US8983788B2System and method of measuring a sensor offsetWANG WEI D·Filed 2010·Granted Mar 17, 2015·0 cites·16 claims
- 5039US9278684B2Method and system for controlling a hybrid vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Mar 8, 2016·0 cites·13 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →