Inventor · disambiguated record
Ralf Dreibholz
Also filed as: DREIBHOLZ RALF
62 granted patents·5 pending applications·810 citations·filing 1995–2018
99Inventor score
Files withZAHNRADFABRIK FRIEDRICHSHAFEN42GUMPOLTSBERGER GERHARD6REISCH MATTHIAS6DREIBHOLZ RALF5FUESSL ANDREAS1
Top patents by PatentIndex Score
67 records- 0196US7951043B2Method and device for controlling the oil supply of an automatic gearbox and a starting elementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted May 31, 2011·40 cites·12 claims
- 0293US6705416B1Hybrid propulsion system comprising shiftable clutches provided for a motor vehicleZF FRIEDDRICHSHAFEN AG·Filed 2000·Granted Mar 16, 2004·128 cites·20 claims
- 0393US6217478B1Position and/or angle control method and device without absolute positions sensorZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1999·Granted Apr 17, 2001·155 cites·20 claims
- 0489US7762922B2Method for operating a parallel hybrid drive train of a vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jul 27, 2010·27 cites·13 claims
- 0589US7645209B2Method for operating a parallel hybrid powertrainZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jan 12, 2010·23 cites·20 claims
- 0689US6962549B2Transmission, particularly automatic transmission, with several shifting elementsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2003·Granted Nov 8, 2005·31 cites·20 claims
- 0788US9182013B2Power-shiftable transmissionGUMPOLTSBERGER GERHARD·Filed 2011·Granted Nov 10, 2015·10 cites·10 claims
- 0886US7108115B2Transmission and method for controlling a transmission with at least one shift control elementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2003·Granted Sep 19, 2006·18 cites·8 claims
- 0983US5795265AProcess for controlling an automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1995·Granted Aug 18, 1998·38 cites·15 claims
- 1080US5997433ATransmission control system for reducing thermal load on engaging elementsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1996·Granted Dec 7, 1999·31 cites·10 claims
- 1179US11300202B2Device for moving a shifting element, and transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2017·Granted Apr 12, 2022·2 cites·10 claims
- 1278US7004878B2Automated multiple-gear transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2003·Granted Feb 28, 2006·17 cites·10 claims
- 1378US6966860B2Automatic transmission for motor vehiclesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Nov 22, 2005·33 cites·8 claims
- 1477US9748040B2Electronic control device for controlling actuatorsREISCH MATTHIAS·Filed 2012·Granted Aug 29, 2017·3 cites·20 claims
- 1577US6993991B2Gear selector device for a motor vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Feb 7, 2006·13 cites·11 claims
- 1676US8245589B2Device for actuating a gearwheel, which is designed as a loose wheel, of a transmission deviceMOHR MARK·Filed 2007·Granted Aug 21, 2012·6 cites·15 claims
- 1775US7281618B2Transmission and method for controlling a transmission with at least one shift control elementZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Oct 16, 2007·4 cites·7 claims
- 1874US8578801B2Load-shiftable parallel shift transmission and double clutch transmissionGUMPOLTSBERGER GERHARD·Filed 2008·Granted Nov 12, 2013·6 cites·28 claims
- 1973US7744502B2Method for driving a parallel hybrid drive train of a motor vehicle with several drive unitsZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Jun 29, 2010·10 cites·25 claims
- 2072US9217506B2Actuation device for actuating switching elementsREISCH MATTHIAS·Filed 2012·Granted Dec 22, 2015·2 cites·18 claims
- 2170US8453531B2Dual clutch transmissionGUMPOLTSBERGER GERHARD·Filed 2008·Granted Jun 4, 2013·5 cites·17 claims
- 2268US7448975B2Transmission device for a vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Nov 11, 2008·9 cites·23 claims
- 2368US6730001B1Method and device for controlling and adjusting a clutch in an infinitely variable automatic gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted May 4, 2004·9 cites·19 claims
- 2467US8851260B2Positively engaging shifting element which can be hydraulically or pneumatically actuatedREISCH MATTHIAS·Filed 2009·Granted Oct 7, 2014·3 cites·9 claims
- 2566US8393238B2Dual clutch transmissionGUMPOLTSBERGER GERHARD·Filed 2008·Granted Mar 12, 2013·4 cites·14 claims
- 2664US9470329B2Device for controlling a flow of coolant and/or lubricating oilREISCH MATTHIAS·Filed 2012·Granted Oct 18, 2016·1 cites·18 claims
- 2763US9021906B2Double clutch transmission having a layshaft designDREIBHOLZ RALF·Filed 2011·Granted May 5, 2015·3 cites·35 claims
- 2861US7469169B2Method for control of input power distribution in a motor vehicle with hybrid engine driveZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Dec 23, 2008·17 cites·11 claims
- 2961US7445573B2Transmission device of a vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Nov 4, 2008·5 cites·19 claims
- 3061US6708097B1Method and device for controlling and adjusting a clutch in an automotive automatic stepped power shift gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted Mar 16, 2004·9 cites·18 claims
- 3160USRE46242EDevice for actuating a gearwheel, which is designed as a loose wheel, of a transmission deviceZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Dec 20, 2016·2 cites·28 claims
- 3259US8028596B2Transmission device having at least one shift element which can be actuated by means of an actuator arrangement which has at least one electrical componentZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2007·Granted Oct 4, 2011·2 cites·14 claims
- 3359US6725737B2Shifting device for a transmisssionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2001·Granted Apr 27, 2004·7 cites·20 claims
- 3457US9032823B2Dual clutch transmission designed as reduction gearingDREIBHOLZ RALF·Filed 2011·Granted May 19, 2015·2 cites·31 claims
- 3557US8733195B2Actuating assembly for a centrally syncronised dual-clutch transmissionDREIBHOLZ RALF·Filed 2009·Granted May 27, 2014·1 cites·16 claims
- 3657US8365624B2Dual clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2008·Granted Feb 5, 2013·2 cites·22 claims
- 3757US6625536B1Method and device for controlling and adjusting a clutch in an automotive automatic stepped gearboxZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2000·Granted Sep 23, 2003·6 cites·14 claims
- 3855US8142332B2Transmission device and method for operating a vehicle drivetrainDREIBHOLZ RALF·Filed 2009·Granted Mar 27, 2012·1 cites·21 claims
- 3955US7104922B2Method and device for control of a shifting component of a stepped automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Sep 12, 2006·6 cites·13 claims
- 4055US6969338B2Method for controlling and regulating a drive trainZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Nov 29, 2005·11 cites·19 claims
- 4155US6799484B2Actuator device for a servo-shifted transmission of a vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2002·Granted Oct 5, 2004·5 cites·20 claims
- 4254US6101438AProcess for automatically co-ordinating the filling operation of shift elementsZF FRIEDIRCHSHAFEN AG·Filed 1996·Granted Aug 8, 2000·17 cites·10 claims
- 4353US8171813B2Dual clutch transmissionGUMPOLTSBERGER GERHARD·Filed 2008·Granted May 8, 2012·1 cites·12 claims
- 4452US6597978B1Method for controlling an automatic transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1999·Granted Jul 22, 2003·22 cites·26 claims
- 4551US7563193B2Method for actuating the transmission of a motor vehicle having a hybrid drive mechanism and actuation device for applying the methodZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2006·Granted Jul 21, 2009·2 cites·8 claims
- 4646US8794415B2Positively engaging shifting element which can be hydraulically or pneumatically actuatedREISCH MATTHIAS·Filed 2009·Granted Aug 5, 2014·0 cites·12 claims
- 4746US8359938B2Dual clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2008·Granted Jan 29, 2013·0 cites·24 claims
- 4846US8342050B2Dual clutch transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2008·Granted Jan 1, 2013·0 cites·14 claims
- 4946US6244402B1Power shift transmission for motor vehiclesZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1997·Granted Jun 12, 2001·18 cites·10 claims
- 5046US6081760AError recognition process for automatic gear boxes transmissionZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 1996·Granted Jun 27, 2000·11 cites·2 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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