P

Inventor

LONG CHARLES F

US119 patents
⚠️ This page may combine multiple inventors who share the name “LONG CHARLES F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEN MOTORS CORP

20 patents
US7395837B2Jul 8, 2008

Multiplexed pressure switch system for an electrically variable hybrid transmission

GEN MOTORS CORP64 citations98
US5601506AFeb 11, 1997

Electro-hydraulic control system in a power transmission

GEN MOTORS CORP112 citations97
US5534665AJul 9, 1996

Wiring harness shroud

GEN MOTORS CORP66 citations96
US5216606AJun 1, 1993

Compensated control method for filling a fluid-operated automatic transmission clutch

GEN MOTORS CORP58 citations96
US7396306B2Jul 8, 2008

Multiplexed control system and method for an electrically variable hybrid transmission

GEN MOTORS CORP33 citations93
US7322899B1Jan 29, 2008

Electro-hydraulic control system for an electrically variable hybrid transmission

GEN MOTORS CORP28 citations93
US7288039B2Oct 30, 2007

Multiplexed pressure switch system for an electrically variable hybrid transmission

GEN MOTORS CORP52 citations93
US7285066B2Oct 23, 2007

Multiplexed trim valve system for an electrically variable hybrid transmission

GEN MOTORS CORP43 citations93
US7255214B2Aug 14, 2007

Damper lock-out clutch and motor/generator cooling multiplexed control system and method for an electrically variable hybrid transmissions

GEN MOTORS CORP20 citations93
US5399130AMar 21, 1995

Transmission control with electronic governor and trim boost

GEN MOTORS CORP27 citations93
US5616093AApr 1, 1997

Electro-hydraulic control system in a power transmission

GEN MOTORS CORP52 citations92
US4827806AMay 9, 1989

Logic valving for a transmission control

GEN MOTORS CORP48 citations92
US7510496B2Mar 31, 2009

Electro-hydraulic control system with interlock protection

GEN MOTORS CORP22 citations91
US7140993B2Nov 28, 2006

Fly-by-wire limp home and multi-plex system

GEN MOTORS CORP42 citations91
US7128084B2Oct 31, 2006

Self-cleaning valve assembly

GEN MOTORS CORP22 citations91
US5319949AJun 14, 1994

Regulator valve assembly for a torque converter

GEN MOTORS CORP20 citations91
US7150288B2Dec 19, 2006

Control valve apparatus

GEN MOTORS CORP12 citations84
US7517296B2Apr 14, 2009

Variable motor/generator cooling control system for electrically variable hybrid vehicular transmissions

GEN MOTORS CORP12 citations83
US7338407B2Mar 4, 2008

Reduced engine load at stop apparatus and method

GEN MOTORS CORP12 citations82
US7527338B2May 5, 2009

Hydrodynamic retarder control apparatus

GEN MOTORS CORP12 citations76

ALLISON TRANSM INC

14 patents
US9625007B2Apr 18, 2017

Multi-speed transmission

ALLISON TRANSM INC24 citations93
US9222578B2Dec 29, 2015

Electro-hydraulic control system diagnostics

ALLISON TRANSM INC15 citations93
US9108499B2Aug 18, 2015

Hydraulic system and method for a hybrid vehicle

ALLISON TRANSM INC16 citations92
US7896769B2Mar 1, 2011

Manual valve control for multi-speed planetary transmission

ALLISON TRANSM INC20 citations92
US9765877B2Sep 19, 2017

Electronically controlled range valve for multi-speed planetary transmission

ALLISON TRANSM INC7 citations84
US9651144B2May 16, 2017

Method of controlling a hydraulic pressurization system of a transmission

ALLISON TRANSM INC6 citations84
US9347555B2May 24, 2016

Variator lockout valve system

ALLISON TRANSM INC7 citations84
US9309792B2Apr 12, 2016

System and method for controlling pump performance in a transmission

ALLISON TRANSM INC6 citations84
US9182034B2Nov 10, 2015

Modulation control system and method for a hybrid transmission

ALLISON TRANSM INC7 citations84
US8371988B2Feb 12, 2013

Electronically controlled range valve for multi-speed planetary transmission

ALLISON TRANSM INC12 citations84
US9903242B2Feb 27, 2018

Scavenge pump oil level control system and method

ALLISON TRANSM INC7 citations82
US9562594B2Feb 7, 2017

Variator multiplex valve scheme for a torroidal traction drive transmission

ALLISON TRANSM INC7 citations82
US8050835B2Nov 1, 2011

Method and apparatus for clutch pressure control

ALLISON TRANSM INC13 citations82
US10253874B2Apr 9, 2019

System and method for controlling pump performance in a transmission

ALLISON TRANSM INC1 citations73

LONG CHARLES F

8 patents

GM GLOBAL TECH OPERATIONS INC

6 patents

GM GLOBAL TRECHNOLOGY OPERATIO

1 patent

AMES DAVID C

1 patent

Showing the top 50 of 119 patents by PatentIndex Score.