Inventor · Carshalton, GB

John Arthur Collier

9Patents
6h-index
8Co-inventors
56Inventor score

Filing activity: Jun 18, 1982 → Apr 29, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6192833A Partitioned aquaculture system Emerging Cross-Sectional Technologies 46 Expired
US5903980A Hand tool Performing Operations; Transporting 29 Expired
US5166965A High voltage DC source including magnetic flux pole and multiple stacked AC to DC converter stages with planar coils Electricity 20 Expired
US7258790B2 Controlled eutrophication system and process Emerging Cross-Sectional Technologies 15 Expired
USD596003S1 Nut wrench General 8 Expired
US9166419B2 Intelligent charging and discharging system for parallel configuration of series cells with semiconductor switching Emerging Cross-Sectional Technologies 6 Active
US4464851A Underwater harvester for marine life Human Necessities 5 Expired
US9045052B2 Parallel configuration of series cells with semiconductor switching Emerging Cross-Sectional Technologies 4 Active
US11224925B2 Pipe cutter Performing Operations; Transporting 3 Active

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