Inventor · disambiguated record

David T. Proefke

Also filed as: PROEFKE DAVID T

75 granted patents·19 pending applications·928 citations·filing 1993–2023

99Inventor score

Technology areasB60R G07C G08G B60Q B60W

Files withGM GLOBAL TECH OPERATIONS LLC34 GM GLOBAL TECH OPERATIONS INC24 BIONDO WILLIAM A8 GEN MOTORS CORP7 PROEFKE DAVID T7

Top patents by PatentIndex Score

94 records

0198US9797881B2Method and system for controlling a passive driver impairment detection system in a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Oct 24, 2017·22 cites·23 claims
0297US8706350B2Secondary sensing for intelligent passive entry passive start pollingTALTY TIMOTHY J·Filed 2011·Granted Apr 22, 2014·63 cites·18 claims
0394US9855918B1Proximity confirming passive access system for vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jan 2, 2018·25 cites·15 claims
0494US8725315B2Bi-directional VHF UHF polling mechanisms for intelligent PEPS pollingTALTY TIMOTHY J·Filed 2011·Granted May 13, 2014·55 cites·20 claims
0594US8196694B2Vehicle immobilizer methods and apparatus based on driver impairmentBIONDO WILLIAM A·Filed 2009·Granted Jun 12, 2012·41 cites·20 claims
0693US8315775B2Cruise control systems and methods with adaptive speed adjustment ratesBIONDO WILLIAM A·Filed 2009·Granted Nov 20, 2012·38 cites·13 claims
0793US7647908B1Methods and systems for remotely starting engines of vehicles with bi-directional controlGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jan 19, 2010·28 cites·20 claims
0892US9019107B2Methods and apparatus for detection and reporting of vehicle operator impairmentGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Apr 28, 2015·29 cites·20 claims
0992US7847709B2Multimode vehicle location device and methodGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 7, 2010·74 cites·20 claims
1091US8970362B2Vehicle-integrated child presence and reminder systemMORLEY KAREN E·Filed 2012·Granted Mar 3, 2015·58 cites·17 claims
1191US8944477B2Charge port lock assembly for a vehiclePROEFKE DAVID T·Filed 2010·Granted Feb 3, 2015·16 cites·20 claims
1290US7778213B2Method and system for selectively communicating with mobile platformsGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Aug 17, 2010·23 cites·13 claims
1390US7167084B2Temporary key invalidation for electronic key and locking systemGEN MOTORS CORP·Filed 2005·Granted Jan 23, 2007·24 cites·14 claims
1489US7222006B2Method for determination of pre-authorization engine operation time for a vehicle theft deterrent systemGEN MOTORS CORP·Filed 2004·Granted May 22, 2007·50 cites·19 claims
1588US9710983B2Method and system for authenticating vehicle equipped with passive keyless systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jul 18, 2017·16 cites·19 claims
1688US8914173B2Method and system for conditioning an energy storage system (ESS) for a vehicleBIONDO WILLIAM A·Filed 2010·Granted Dec 16, 2014·15 cites·18 claims
1787US7693651B2Methods and systems for monitoring fuel status of vehiclesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Apr 6, 2010·17 cites·17 claims
1885US9403417B2Methods and systems for preconditioning vehiclesPROEFKE DAVID T·Filed 2009·Granted Aug 2, 2016·10 cites·10 claims
1985US7760108B2Methods and systems for remotely starting engines of vehiclesGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Jul 20, 2010·14 cites·20 claims
2084US8487743B2Valet keyfob systemPROEFKE DAVID T·Filed 2008·Granted Jul 16, 2013·15 cites·16 claims
2183US8384358B2Systems and methods for electric vehicle charging and for providing notification of variations from charging expectationsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 26, 2013·15 cites·20 claims
2282US10055919B2Relay-attack deterrence relay-attack deterrenceGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 21, 2018·5 cites·20 claims
2382US9669801B2Systems and methods for detecting wheel assembly tamperingGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jun 6, 2017·3 cites·20 claims
2482US8653953B2Odometer verification and reporting using a telematics-equipped vehicleBIONDO WILLIAM A·Filed 2011·Granted Feb 18, 2014·15 cites·20 claims
2582US8547253B2Method of determining vehicle location from key fobPROEFKE DAVID T·Filed 2009·Granted Oct 1, 2013·17 cites·6 claims
2681US8193915B2Multiple transceiver synchronous communication systemMCCALL CLARK E·Filed 2008·Granted Jun 5, 2012·17 cites·20 claims
2780US9975552B2Method and apparatus for detecting projected impairmentGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted May 22, 2018·4 cites·20 claims
2878US10147253B1Systems amd methods for accessing a vehicle using a single, exterior controlGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 4, 2018·6 cites·16 claims
2978US9361739B2Odometer monitoring and redundant storage systemBIONDO WILLIAM A·Filed 2012·Granted Jun 7, 2016·3 cites·20 claims
3077US9754430B1Method and apparatus for providing instructions about manual releaseGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 5, 2017·4 cites·14 claims
3177US6653747B1Electronic key system including ignition and transmission controlSIEMENS VDO AUTOMOTIVE CORP·Filed 2000·Granted Nov 25, 2003·30 cites·15 claims
3275US7034654B2Motor vehicle engine immobilizer security system and methodGEN MOTORS CORP·Filed 2004·Granted Apr 25, 2006·37 cites·26 claims
3374US10783407B2System and method to detect trapped flexible materialGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Sep 22, 2020·3 cites·14 claims
3474US10507844B2Drive-cycle sampling and monitoring for impairment detection systemGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 17, 2019·1 cites·22 claims
3574US8659388B2Variable strength wireless communication systemBIONDO WILLIAM A·Filed 2008·Granted Feb 25, 2014·4 cites·7 claims
3674US8321158B2Method and system for monitoring freshness of fuel in vehiclesPROEFKE DAVID T·Filed 2009·Granted Nov 27, 2012·7 cites·20 claims
3772US8358074B2Daytime running lamp activation control methods and apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jan 22, 2013·6 cites·14 claims
3872US6386447B1Smart card with card in vehicle warningSIEMENS AUTOMOTIVE CORP LP·Filed 2000·Granted May 14, 2002·24 cites·10 claims
3971US9707889B2Method of controlling a vehicle door lock systemGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jul 18, 2017·2 cites·18 claims
4070US9478087B2Methods and systems for communicating between a vehicle and a remote deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 25, 2016·4 cites·18 claims
4168US8350690B2Methods and systems for controlling forward lighting for vehiclesGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Jan 8, 2013·4 cites·20 claims
4267US9470022B2Fixed outside handle with multi-functions and protected switchesGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 18, 2016·2 cites·18 claims
4367US8414455B2Vehicle systems and methods of operating vehicle systemsMCCULLOUGH SCOTT A·Filed 2009·Granted Apr 9, 2013·8 cites·11 claims
4466US12257978B2System and method for key absence management in a vehicleGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Mar 25, 2025·0 cites·11 claims
4565US9100797B2Wireless locating systemBIONDO WILLIAM A·Filed 2008·Granted Aug 4, 2015·2 cites·20 claims
4664US9533654B2Vehicle data services enabled by low power FM transmissionTALTY TIMOTHY J·Filed 2011·Granted Jan 3, 2017·3 cites·20 claims
4764US6479908B1Apparatus and method for sensing positions of an ignition switchGEN MOTORS CORP·Filed 2000·Granted Nov 12, 2002·17 cites·20 claims
4861US8558664B2Passive approach detection system and method using a unidirectional FOBBIONDO WILLIAM A·Filed 2010·Granted Oct 15, 2013·1 cites·19 claims
4959US8164421B2Adaptive remote verification of vehicular functionsMCCALL CLARK E·Filed 2008·Granted Apr 24, 2012·2 cites·7 claims
5058US9434337B2Vehicle door engagement detectionGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Sep 6, 2016·1 cites·9 claims

Showing the top 50 of 94 patent records by PatentIndex Score.

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →