Inventor · Fond du Lac, WI, US

Mark A. Ruman

11Patents
8h-index
9Co-inventors
57Inventor score

Filing activity: Apr 24, 1997 → Mar 14, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5924404A Cylinder-specific spark ignition control system for direct fuel injected two-stroke engine Emerging Cross-Sectional Technologies 24 Expired
US5836851A Engine control strategy as a function of gear selector mechanism Mechanical Engineering; Lighting; Heating 22 Expired
US5826556A Engine lubrication circuit with alternating lubrication paths Mechanical Engineering; Lighting; Heating 22 Expired
US6152102A Throttle control system for a stratified charge internal combustion engine Mechanical Engineering; Lighting; Heating 22 Expired
US5937802A Engine cooling system Mechanical Engineering; Lighting; Heating 19 Expired
US6161527A Air assisted direct fuel injection system Emerging Cross-Sectional Technologies 16 Expired
US5913302A Ignition coil dwell time control system Emerging Cross-Sectional Technologies 15 Expired
US5878708A Oil management system for a fuel injected engine Emerging Cross-Sectional Technologies 11 Expired
US6622481B1 Exhaust treatment device for an internal combustion engine Emerging Cross-Sectional Technologies 8 Expired
US5996546A Integrated flywheel cover and air conduit passages Mechanical Engineering; Lighting; Heating 6 Expired
US6352056B1 Exhaust valve actuator for a two cycle engine Emerging Cross-Sectional Technologies 6 Expired

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