Inventor
HAMBURG DOUGLAS RAY
US11 patents
⚠️ This page may combine multiple inventors who share the name “HAMBURG DOUGLAS RAY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FORD GLOBAL TECH INC
10 patentsUS6131439AOct 17, 2000
Catalyst deterioration detection with sensor calibration
FORD GLOBAL TECH INC22 citations92
US5877413AMar 2, 1999
Sensor calibration for catalyst deterioration detection
FORD GLOBAL TECH INC46 citations92
US5822979AOct 20, 1998
Catalyst monitoring using a hydrocarbon sensor
FORD GLOBAL TECH INC20 citations92
US6253542B1Jul 3, 2001
Air-fuel ratio feedback control
FORD GLOBAL TECH INC37 citations88
US6050128AApr 18, 2000
Catalyst deterioration monitoring
FORD GLOBAL TECH INC19 citations83
US6336084B1Jan 1, 2002
Three-way catalyst model for an engine air-to-fuel ratio control system
FORD GLOBAL TECH INC16 citations80
US6604357B2Aug 12, 2003
Active adaptive bias for closed loop air/fuel control system
FORD GLOBAL TECH INC6 citations68
US6311680B1Nov 6, 2001
Active adaptive bias for closed loop air/fuel control system
FORD GLOBAL TECH INC11 citations68
US5653104AAug 5, 1997
Engine air/fuel control system with adaptively alignment of a catalytic converter's peak efficiency window
FORD GLOBAL TECH INC2 citations62
US5713341AFeb 3, 1998
Lean air/fuel engine feedback control system
FORD GLOBAL TECH INC2 citations60