Inventor
CAMPBELL DOUGLAS C
US30 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL DOUGLAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CAMPBELL DOUGLAS C
7 patentsUS5208936AMay 11, 1993
Variable speed pig for pipelines
CAMPBELL DOUGLAS C73 citations96
US8643481B2Feb 4, 2014
Interior rearview mirror assembly with integrated indicator symbol
CAMPBELL DOUGLAS C20 citations89
US9587958B2Mar 7, 2017
Mobile device gateway systems and methods
CAMPBELL DOUGLAS C9 citations82
US8625034B2Jan 7, 2014
Seatback entertainment display system
CAMPBELL DOUGLAS C15 citations80
US8791804B2Jul 29, 2014
Bi-directional portable electronic device for interaction with vehicle systems
CAMPBELL DOUGLAS C16 citations76
US4043394AAug 23, 1977
Plugging of abandoned dry wells
CAMPBELL DOUGLAS C12 citations73
US9180819B2Nov 10, 2015
Interior rearview mirror assembly with integrated indicator symbol
CAMPBELL DOUGLAS C1 citations52
JOHNSON CONTROLS TECH CO
5 patentsUS9316694B2Apr 19, 2016
Battery monitoring system with time-based diagnostic activation
JOHNSON CONTROLS TECH CO26 citations93
US7516072B2Apr 7, 2009
System and method for selecting a user speech profile for a device in a vehicle
JOHNSON CONTROLS TECH CO44 citations89
US9581654B2Feb 28, 2017
Vehicle battery monitoring system
JOHNSON CONTROLS TECH CO13 citations83
US7636658B2Dec 22, 2009
Digital memo recorder having removable memory unit for vehicle interior
JOHNSON CONTROLS TECH CO14 citations83
US7317385B2Jan 8, 2008
In-vehicle animation bypass system and method
JOHNSON CONTROLS TECH CO2 citations63
FORD MOTOR CO
4 patentsUS5570287AOct 29, 1996
Speed dependent suspension control
FORD MOTOR CO31 citations91
US5517847AMay 21, 1996
Open compartment load leveling ride height control
FORD MOTOR CO41 citations91
US5593176AJan 14, 1997
Ride height setting based on transfer case setting
FORD MOTOR CO27 citations89
US5555173ASep 10, 1996
Damping factor switching in vehicle shock absorbers
FORD MOTOR CO20 citations82
LEAR CORP
3 patentsUS6366051B1Apr 2, 2002
System for automatically charging the battery of a remote transmitter for use in a vehicle security system
LEAR CORP28 citations93
US6291968B1Sep 18, 2001
System for automatically charging the battery of a remote transmitter for use in a vehicle security system
LEAR CORP31 citations93
US6929388B2Aug 16, 2005
Auto headlamp module with integrated photocell
LEAR CORP5 citations59
GEN MOTORS CORP
3 patentsUS5186487AFeb 16, 1993
Selectable damping vehicle suspension control responsive to engine torque
GEN MOTORS CORP4 citations58
US5163702ANov 17, 1992
Selectable damping vehicle suspension control
GEN MOTORS CORP5 citations58
US5163705ANov 17, 1992
Selectable damping vehicle suspension control responsive to transmission shift
GEN MOTORS CORP3 citations58