Inventor

MAC EWEN IAN J

US9 patents

⚠️ This page may combine multiple inventors who share the name “MAC EWEN IAN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS INC

4 patents

US7152594B2Dec 26, 2006

WANG WENBO

1 patent

US8104334B2Jan 31, 2012

Fuel pressure sensor performance diagnostic systems and methods based on hydrodynamics of injecton

WANG WENBO23 citations91

GEN MOTORS CORP

1 patent

US6996974B2Feb 14, 2006

Fuel control failure detection based on post O2 sensor

GEN MOTORS CORP14 citations83

WANG LAN

1 patent

US8631783B2Jan 21, 2014

Method and apparatus for controlling engine torque during intrusive testing

WANG LAN2 citations62

MAC EWEN IAN J

1 patent

US8136347B2Mar 20, 2012

Algorithm to diagnose leaks or blockages downstream of the secondary air injection reaction (SAIR) pressure sensor

MAC EWEN IAN J4 citations50

JEFFREY SCOTT

1 patent

US8793976B2Aug 5, 2014

Sulfur accumulation monitoring systems and methods

JEFFREY SCOTT1 citations49

MAC EWEN IAN J

GM GLOBAL TECH OPERATIONS INC

Air/fuel imbalance detection system and method

Air-fuel imbalance detection based on zero-phase filtering

Diagnostic system for spark ignition direct injection system control circuits

Leak and blockage diagnostic systems and methods

WANG WENBO

Fuel pressure sensor performance diagnostic systems and methods based on hydrodynamics of injecton

GEN MOTORS CORP

Fuel control failure detection based on post O2 sensor

WANG LAN

Method and apparatus for controlling engine torque during intrusive testing

MAC EWEN IAN J

Algorithm to diagnose leaks or blockages downstream of the secondary air injection reaction (SAIR) pressure sensor

JEFFREY SCOTT

Sulfur accumulation monitoring systems and methods