Inventor · Troy, MI, US

James A. Eng

30Patents
15h-index
26Co-inventors
77Inventor score

Filing activity: Sep 18, 1995 → Mar 14, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6347619B1 Exhaust gas recirculation system for a turbocharged engine Emerging Cross-Sectional Technologies 84 Expired
US7021277B2 Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine Emerging Cross-Sectional Technologies 71 Expired
US6971365B1 Auto-ignition gasoline engine combustion chamber and method Emerging Cross-Sectional Technologies 47 Expired
US6994072B2 Method for mid load operation of auto-ignition combustion Emerging Cross-Sectional Technologies 47 Expired
US7367319B2 Method and apparatus to determine magnitude of combustion chamber deposits Emerging Cross-Sectional Technologies 33 Expired
US7370616B2 Method for transition between controlled auto-ignition and spark ignition modes in direct fuel injection engines Emerging Cross-Sectional Technologies 31 Expired
US7128062B2 Method for mid load operation of auto-ignition combustion Emerging Cross-Sectional Technologies 28 Expired
US7059281B2 Four stroke engine auto-ignition combustion Emerging Cross-Sectional Technologies 25 Expired
US7080613B2 Method for auto-ignition combustion control Emerging Cross-Sectional Technologies 24 Expired
US7152559B2 Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine Emerging Cross-Sectional Technologies 20 Expired
US7275514B2 Method of HCCI and SI combustion control for a direct injection internal combustion engine Emerging Cross-Sectional Technologies 19 Expired
US7370633B2 Load transient control methods for direct-injection engines with controlled auto-ignition combustion Emerging Cross-Sectional Technologies 19 Expired
US7337762B2 Fuel adaptation in a homogeneous charge compression ignition engine Emerging Cross-Sectional Technologies 18 Active
US7367313B2 Speed transient control methods for direct-injection engines with controlled auto-ignition combustion Emerging Cross-Sectional Technologies 15 Expired
US7228839B2 NOx emission control for a controlled auto-ignition four-stroke internal combustion engine Emerging Cross-Sectional Technologies 15 Expired
US7246597B2 Method and apparatus to operate a homogeneous charge compression-ignition engine Emerging Cross-Sectional Technologies 13 Expired
US7367308B2 Method for load transient control between lean and stoichiometric combustion modes of direct-injection engines with controlled auto-ignition combustion Emerging Cross-Sectional Technologies 12 Expired
US6284103A Suction roll shell in a paper-making machine and method of manufacturing same Textiles; Paper 12 Expired
US6860030B1 Control system for gap measuring Textiles; Paper 11 Expired
US5614063A Inductive edge detector for paper machinery Textiles; Paper 11 Expired
US7478620B2 Method and apparatus to control a transition between HCCI and SI combustion in a direct-injection gasoline engine Emerging Cross-Sectional Technologies 9 Active
US7111454B2 Fuel control compensation for secondary air system flow variation Emerging Cross-Sectional Technologies 7 Expired
US6491754B1 Carbon fiber doctor blade Performing Operations; Transporting 6 Expired
US7004124B2 Valve strategy for operating a controlled auto-ignition four-stroke internal combustion engine Emerging Cross-Sectional Technologies 5 Expired
US7802553B2 Method to improve combustion stability in a controlled auto-ignition combustion engine Emerging Cross-Sectional Technologies 5 Active

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