Inventor · Rochester Hills, MI, US

Thomas A. Spix

29Patents
6h-index
25Co-inventors
65Inventor score

Filing activity: Jun 12, 2000 → Oct 21, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6234154A Integral PCV system Mechanical Engineering; Lighting; Heating 37 Expired
US8695339B2 Blowby flow control system for a turbocharged engine Emerging Cross-Sectional Technologies 14 Active
US6782878B2 PCV assembly and fitting Mechanical Engineering; Lighting; Heating 13 Expired
US7431023B2 Engine PCV system with venturi nozzle for flow regulation Mechanical Engineering; Lighting; Heating 12 Active
US8181634B2 Engine including positive crankcase ventilation Mechanical Engineering; Lighting; Heating 7 Active
US7562652B2 Engine PCV system with hydrophobic, oleophobic membrane for air/oil separation Emerging Cross-Sectional Technologies 6 Active
US6289865A Oil pump pick-up tube Mechanical Engineering; Lighting; Heating 6 Expired
US8408190B2 Air-oil separator for extracting oil from engine blowby gas Mechanical Engineering; Lighting; Heating 5 Active
US7866304B2 Engine fuel boil off management system Mechanical Engineering; Lighting; Heating 3 Active
US8955500B2 Positive crankcase ventilation system Emerging Cross-Sectional Technologies 3 Active
US9896979B2 System and method for controlling a temperature of oil in a power-plant of a vehicle Mechanical Engineering; Lighting; Heating 2 Active
US9650989B2 Dimpled surface features for radiated noise attenuation in engine front covers Mechanical Engineering; Lighting; Heating 2 Active
US8561590B1 Oil pan for an internal combustion engine Mechanical Engineering; Lighting; Heating 2 Active
US8495993B2 Engine including crankcase ventilation system oil drain features Mechanical Engineering; Lighting; Heating 2 Active
US8887704B2 Engine assembly with engine block-mounted air-oil separator and method of ventilating an engine crankcase Mechanical Engineering; Lighting; Heating 2 Active
US9080522B2 Engine efficiency system for a vehicle and method of operating an engine efficiency system Mechanical Engineering; Lighting; Heating 1 Active
US9611769B2 System and method for controlling airflow through a ventilation system of an engine when cylinders of the engine are deactivated Emerging Cross-Sectional Technologies 1 Active
US8602008B2 Positive crankcase ventilation system Emerging Cross-Sectional Technologies 1 Active
US8739768B2 Introduction of ventilation gases via individual passages to the intake ports Emerging Cross-Sectional Technologies 0 Active
US8899190B2 Temperature dependent flow control for combustion engine piston squirters Emerging Cross-Sectional Technologies 0 Active
US8905010B2 Positive crankcase ventilation system for a two-cylinder engine Mechanical Engineering; Lighting; Heating 0 Active
US9057295B2 Positive crankcase ventilation system Mechanical Engineering; Lighting; Heating 0 Active
US9347345B2 Internal combustion engines and oil containment systems thereof Mechanical Engineering; Lighting; Heating 0 Active
US8967110B2 Engine front cover with rotational support insert Mechanical Engineering; Lighting; Heating 0 Active
US8505520B2 Engine assembly including positive crankcase ventilation with oil surge protection Mechanical Engineering; Lighting; Heating 0 Active

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