Inventor
HOLBROOK GERALD L
US39 patents
⚠️ This page may combine multiple inventors who share the name “HOLBROOK GERALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHRYSLER CORP
21 patentsUS4982620AJan 8, 1991
Method of learning for adaptively controlling an electronic automatic transmission system
CHRYSLER CORP57 citations96
US5468198ANov 21, 1995
Method of controlling coastdown and coastdown/tip-in in an automatic transmission
CHRYSLER CORP73 citations95
US5456647AOct 10, 1995
End of line volume learn sequence of friction element fill volumes for automatic transmission
CHRYSLER CORP49 citations92
US5420565AMay 30, 1995
Electronic PRNODDL display system
CHRYSLER CORP51 citations92
US5325083AJun 28, 1994
Manual valve position sensing system
CHRYSLER CORP50 citations92
US5115698AMay 26, 1992
Electronically-controlled, adaptive automatic transmission system
CHRYSLER CORP32 citations92
US4969098ANov 6, 1990
Method of torque phase shift control for an electronic automatic transmission system
CHRYSLER CORP47 citations92
US4951200AAug 21, 1990
Method of controlling the apply element during a kickdown shift for an electronic automatic transmission system
CHRYSLER CORP24 citations92
US5801621ASep 1, 1998
Method for re-initializing vehicle parameters after a power loss in a motor vehicle
CHRYSLER CORP17 citations84
US5016176AMay 14, 1991
Method of in-gear tolerance control
CHRYSLER CORP8 citations74
US4996894AMar 5, 1991
Fluid actuated switch valve in an automatic transmission
CHRYSLER CORP16 citations74
US4982826AJan 8, 1991
Bleeder ball check valves in an automatic transmission
CHRYSLER CORP19 citations74
US4964506AOct 23, 1990
Pressure balanced pistons in an automatic transmission
CHRYSLER CORP15 citations74
US4965735AOct 23, 1990
Method of determining the shift lever position of an electronic automatic transmission system
CHRYSLER CORP7 citations74
US4936166AJun 26, 1990
Fluid actuated switch valve in an automatic transmission
CHRYSLER CORP8 citations74
US4915204AApr 10, 1990
Push/pull clutch apply piston of an automatic transmission
CHRYSLER CORP19 citations74
US4975844ADec 4, 1990
Method of determining the throttle angle position for an electronic automatic transmission system
CHRYSLER CORP12 citations73
US4939928AJul 10, 1990
Method of determining the continuity of solenoids in an electronic automatic transmission system
CHRYSLER CORP14 citations73
US4928235AMay 22, 1990
Method of determining the fluid temperature of an electronic automatic transmission system
CHRYSLER CORP13 citations73
US4916961AApr 17, 1990
Cam-controlled manual valve in an automatic transmission
CHRYSLER CORP12 citations72
US5193060AMar 9, 1993
Method of hold-speed control during an upshift
CHRYSLER CORP4 citations63
DAIMLER CHRYSLER CORP
11 patentsUS6072390AJun 6, 2000
Position sensing system for manually operated shift lever of a vehicle transmission
DAIMLER CHRYSLER CORP34 citations92
US6039674AMar 21, 2000
Quick learn procedure for fill volumes of an electronically controlled automatic transmission
DAIMLER CHRYSLER CORP27 citations91
US6024668AFeb 15, 2000
Extreme cold logic limiting shifts to first and third speeds
DAIMLER CHRYSLER CORP22 citations91
US6205390B1Mar 20, 2001
Shift lever position logic
DAIMLER CHRYSLER CORP26 citations89
US6159124ADec 12, 2000
Hydraulic control system for automatic transmission with energy saving logic mode
DAIMLER CHRYSLER CORP12 citations72
US6159129ADec 12, 2000
Element overlap control for an automatic transmission
DAIMLER CHRYSLER CORP10 citations72
US6149548ANov 21, 2000
Element overlap control for an automatic transmission
DAIMLER CHRYSLER CORP11 citations72
US6093133AJul 25, 2000
Learn 1st 2-3 shift, 1st N-1 learn
DAIMLER CHRYSLER CORP15 citations72
US6094612AJul 25, 2000
Shutdown/recovery routine
DAIMLER CHRYSLER CORP2 citations59
US6634206B2Oct 21, 2003
Method for synchronizing the zero position of pedal position sensors
DAIMLER CHRYSLER CORP2 citations56
US6120406ASep 19, 2000
Automatic transmission with energy saving logic and failsafe operations
DAIMLER CHRYSLER CORP6 citations54
CHRYSLER MOTORS
6 patentsUS4875391AOct 24, 1989
Electronically-controlled, adaptive automatic transmission system
CHRYSLER MOTORS208 citations99
US4905545AMar 6, 1990
Method of controlling the speed change of a kickdown shift for an electronic automatic transmission system
CHRYSLER MOTORS45 citations92
US4887491ADec 19, 1989
Solenoid-actuated valve arrangement for a limp-home mode of an automatic transmission
CHRYSLER MOTORS28 citations92
US4776228AOct 11, 1988
Strutless synchronizer
CHRYSLER MOTORS41 citations92
US4944200AJul 31, 1990
Method of applying reverse gear in an automatic transmission
CHRYSLER MOTORS19 citations74
US4907475AMar 13, 1990
Fluid switching manually between valves in an automatic transmission
CHRYSLER MOTORS10 citations74