Inventor
DREIBHOLZ RALF
DE62 patents
⚠️ This page may combine multiple inventors who share the name “DREIBHOLZ RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZAHNRADFABRIK FRIEDRICHSHAFEN
35 patentsUS6217478B1Apr 17, 2001
Position and/or angle control method and device without absolute positions sensor
ZAHNRADFABRIK FRIEDRICHSHAFEN155 citations97
US7951043B2May 31, 2011
Method and device for controlling the oil supply of an automatic gearbox and a starting element
ZAHNRADFABRIK FRIEDRICHSHAFEN40 citations93
US7645209B2Jan 12, 2010
Method for operating a parallel hybrid powertrain
ZAHNRADFABRIK FRIEDRICHSHAFEN23 citations93
US7108115B2Sep 19, 2006
Transmission and method for controlling a transmission with at least one shift control element
ZAHNRADFABRIK FRIEDRICHSHAFEN18 citations92
US6966860B2Nov 22, 2005
Automatic transmission for motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN33 citations92
US6962549B2Nov 8, 2005
Transmission, particularly automatic transmission, with several shifting elements
ZAHNRADFABRIK FRIEDRICHSHAFEN31 citations92
US6597978B1Jul 22, 2003
Method for controlling an automatic transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN22 citations92
US5997433ADec 7, 1999
Transmission control system for reducing thermal load on engaging elements
ZAHNRADFABRIK FRIEDRICHSHAFEN31 citations92
US5795265AAug 18, 1998
Process for controlling an automatic transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN38 citations92
US7762922B2Jul 27, 2010
Method for operating a parallel hybrid drive train of a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN27 citations91
US7004878B2Feb 28, 2006
Automated multiple-gear transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN17 citations84
US6993991B2Feb 7, 2006
Gear selector device for a motor vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN13 citations84
US6244402B1Jun 12, 2001
Power shift transmission for motor vehicles
ZAHNRADFABRIK FRIEDRICHSHAFEN18 citations84
US7469169B2Dec 23, 2008
Method for control of input power distribution in a motor vehicle with hybrid engine drive
ZAHNRADFABRIK FRIEDRICHSHAFEN17 citations83
US7744502B2Jun 29, 2010
Method for driving a parallel hybrid drive train of a motor vehicle with several drive units
ZAHNRADFABRIK FRIEDRICHSHAFEN10 citations82
US7448975B2Nov 11, 2008
Transmission device for a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations80
US6969338B2Nov 29, 2005
Method for controlling and regulating a drive train
ZAHNRADFABRIK FRIEDRICHSHAFEN11 citations74
US6725737B2Apr 27, 2004
Shifting device for a transmisssion
ZAHNRADFABRIK FRIEDRICHSHAFEN7 citations74
US6730001B1May 4, 2004
Method and device for controlling and adjusting a clutch in an infinitely variable automatic gearbox
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations73
US6708097B1Mar 16, 2004
Method and device for controlling and adjusting a clutch in an automotive automatic stepped power shift gearbox
ZAHNRADFABRIK FRIEDRICHSHAFEN9 citations73
US5911648AJun 15, 1999
Automatic transmission control method including shifting aberration regulating phase
ZAHNRADFABRIK FRIEDRICHSHAFEN10 citations73
US11300202B2Apr 12, 2022
Device for moving a shifting element, and transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations72
US6366843B1Apr 2, 2002
Method for controlling an automatic transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN13 citations72
US6081760AJun 27, 2000
Error recognition process for automatic gear boxes transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN11 citations71
USRE46242EDec 20, 2016
Device for actuating a gearwheel, which is designed as a loose wheel, of a transmission device
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US8365624B2Feb 5, 2013
Dual clutch transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US8028596B2Oct 4, 2011
Transmission device having at least one shift element which can be actuated by means of an actuator arrangement which has at least one electrical component
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US7563193B2Jul 21, 2009
Method for actuating the transmission of a motor vehicle having a hybrid drive mechanism and actuation device for applying the method
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US7281618B2Oct 16, 2007
Transmission and method for controlling a transmission with at least one shift control element
ZAHNRADFABRIK FRIEDRICHSHAFEN4 citations63
US6905439B2Jun 14, 2005
Method for controlling and regulating a drive train
ZAHNRADFABRIK FRIEDRICHSHAFEN2 citations63
US6799484B2Oct 5, 2004
Actuator device for a servo-shifted transmission of a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations63
US7445573B2Nov 4, 2008
Transmission device of a vehicle
ZAHNRADFABRIK FRIEDRICHSHAFEN5 citations62
US7104922B2Sep 12, 2006
Method and device for control of a shifting component of a stepped automatic transmission
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations62
US6026699AFeb 22, 2000
Shuttle shift control using both a directional clutch and a transmission clutch
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations60
US6625536B1Sep 23, 2003
Method and device for controlling and adjusting a clutch in an automotive automatic stepped gearbox
ZAHNRADFABRIK FRIEDRICHSHAFEN6 citations58
GUMPOLTSBERGER GERHARD
5 patentsUS9182013B2Nov 10, 2015
Power-shiftable transmission
GUMPOLTSBERGER GERHARD10 citations83
US8578801B2Nov 12, 2013
Load-shiftable parallel shift transmission and double clutch transmission
GUMPOLTSBERGER GERHARD6 citations73
US8453531B2Jun 4, 2013
Dual clutch transmission
GUMPOLTSBERGER GERHARD5 citations73
US8393238B2Mar 12, 2013
Dual clutch transmission
GUMPOLTSBERGER GERHARD4 citations63
US8171813B2May 8, 2012
Dual clutch transmission
GUMPOLTSBERGER GERHARD1 citations52
REISCH MATTHIAS
4 patentsUS9748040B2Aug 29, 2017
Electronic control device for controlling actuators
REISCH MATTHIAS3 citations73
US9217506B2Dec 22, 2015
Actuation device for actuating switching elements
REISCH MATTHIAS2 citations63
US8851260B2Oct 7, 2014
Positively engaging shifting element which can be hydraulically or pneumatically actuated
REISCH MATTHIAS3 citations60
US9470329B2Oct 18, 2016
Device for controlling a flow of coolant and/or lubricating oil
REISCH MATTHIAS1 citations52
DREIBHOLZ RALF
2 patentsZF FRIEDDRICHSHAFEN AG
1 patentMOHR MARK
1 patentZF FRIEDIRCHSHAFEN AG
1 patentKALTENBACH JOHANNES
1 patentShowing the top 50 of 62 patents by PatentIndex Score.