P

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 patents
US6217478B1Apr 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 patents

REISCH MATTHIAS

4 patents

DREIBHOLZ RALF

2 patents

ZF FRIEDDRICHSHAFEN AG

1 patent

MOHR MARK

1 patent

ZF FRIEDIRCHSHAFEN AG

1 patent

KALTENBACH JOHANNES

1 patent

Showing the top 50 of 62 patents by PatentIndex Score.