Inventor · Cambridge, GB

James Patrick Warren

15Patents
8h-index
16Co-inventors
69Inventor score

Filing activity: Oct 10, 1990 → Sep 17, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6427436B1 Emissions control Mechanical Engineering; Lighting; Heating 86 Expired
US6805849B1 System for NOx reduction in exhaust gases Emerging Cross-Sectional Technologies 64 Expired
US5355764A Plasma actuated ignition and distribution pump Mechanical Engineering; Lighting; Heating 41 Expired
US6680037B1 Device and method for removing sooty particulate from exhaust gases from combustion processes Emerging Cross-Sectional Technologies 40 Expired
US5287791A Precision generator and distributor device for plasma in electrothermal-chemical gun systems Mechanical Engineering; Lighting; Heating 18 Expired
US7498010B2 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 16 Expired
US5231242A Plasma injection and distribution systems Mechanical Engineering; Lighting; Heating 16 Expired
USD333709S Combined pet carrier and container for destroying pet vermin General 13 Expired
US8480986B2 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 5 Active
US8142747B2 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 3 Active
US8833062B1 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 2 Active
US9073010B2 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 2 Active
US8850802B1 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 1 Active
US9302224B2 Catalytic reduction of NOx Emerging Cross-Sectional Technologies 1 Active
US8043590B2 Catalytic reduction of NOx General 0 Revoked

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