Inventor · Burlington, ON, CA

John Polkinghorne

5Patents
5h-index
1Co-inventors
49Inventor score

Filing activity: Jul 30, 1987 → Jul 21, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4843833A Appliance control system Mechanical Engineering; Lighting; Heating 53 Expired
US4879878A Air damper assembly for refrigerator/freezer Mechanical Engineering; Lighting; Heating 24 Expired
US5784890A Compact thermoelectric refrigeration drive assembly Emerging Cross-Sectional Technologies 14 Expired
US4816823A Application specific integrated circuit Physics 14 Expired
US5809785A Compact thermoelectric refrigeration drive assembly Emerging Cross-Sectional Technologies 12 Expired

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