Inventor · Northville, MI, US

Mark D. Carr

25Patents
6h-index
54Co-inventors
72Inventor score

Filing activity: Nov 17, 1995 → Jun 26, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7980120B2 Fuel injector diagnostic system and method for direct injection engine Emerging Cross-Sectional Technologies 20 Active
US7159623B1 Apparatus and methods for estimating vehicle fuel composition Emerging Cross-Sectional Technologies 17 Expired
US8099203B2 Method to autostart an internal combustion engine in a hybrid powertrain system Emerging Cross-Sectional Technologies 10 Active
US7757666B2 Cylinder fueling coordination for torque estimation and control Emerging Cross-Sectional Technologies 10 Active
US5719330A Automotive igniton module diagnostic Physics 7 Expired
US6531872B1 Ignition-off timer diagnostic Emerging Cross-Sectional Technologies 7 Expired
US7735476B2 Virtual fuel sensor for dual fuel tank applications Emerging Cross-Sectional Technologies 5 Active
US6386021B1 Oxygen sensor heater service bay test Emerging Cross-Sectional Technologies 4 Expired
US7526374B2 Ethanol compensated fuel density for fuel consumed calculation Emerging Cross-Sectional Technologies 4 Active
US7673621B2 Learn correction feature for virtual flex fuel sensor Emerging Cross-Sectional Technologies 3 Active
US7792633B2 Ignition coil module fuse diagnostic Mechanical Engineering; Lighting; Heating 3 Active
US7941265B2 Individual cylinder fuel mass correction factor for high drivability index (HIDI) fuel Emerging Cross-Sectional Technologies 3 Active
US7848874B2 Control system and method for starting an engine with port fuel injection and a variable pressure fuel system Mechanical Engineering; Lighting; Heating 3 Active
US8433496B2 Control system and method for improving cold startability of spark ignition direct injection (SIDI) engines Emerging Cross-Sectional Technologies 1 Active
US7739903B2 Weak refuel detection system and method for virtual flex fuel sensor system Emerging Cross-Sectional Technologies 1 Active
US7900606B2 Systems and methods for purging air of a fuel injection system Mechanical Engineering; Lighting; Heating 1 Active
US7593806B2 Secured count of cylinders fueled in a coordinated torque control system Emerging Cross-Sectional Technologies 1 Active
US8397694B2 Airflow-based crank throttle control in a torque-based system Emerging Cross-Sectional Technologies 1 Active
US8849545B2 Controlling fuel injection based on fuel volatility Emerging Cross-Sectional Technologies 0 Active
US12196148B1 Dual fuel injector control method for a vehicle Mechanical Engineering; Lighting; Heating 0 Active
US7826963B1 Diagnostic system for spark ignition direct injection system control circuits Emerging Cross-Sectional Technologies 0 Active
US11773791B1 Multi-pulse fuel injection systems and control logic for port fuel injection pulse monitoring in engine assemblies Mechanical Engineering; Lighting; Heating 0 Active
US8146569B2 Control systems and methods for newly assembled engines Emerging Cross-Sectional Technologies 0 Active
US8037742B2 Systems and methods for engine fuel control Emerging Cross-Sectional Technologies 0 Active
US7616103B2 Flexible fuel prediction and driver message display Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.