Inventor · Chichester, GB

John Bottrill

8Patents
4h-index
3Co-inventors
50Inventor score

Filing activity: Apr 11, 1974 → Sep 16, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5081546A Vehicle exterior mirror Performing Operations; Transporting 35 Expired
US4123013A Safety belt rewinding mechanism with improved retraction characteristics Performing Operations; Transporting 11 Expired
US3934489A Rear view mirrors for vehicles Emerging Cross-Sectional Technologies 9 Expired
US4250767A Remotely controlled rearview mirror assembly Emerging Cross-Sectional Technologies 6 Expired
US6707690B1 Power converter employing switched split transformer primary Electricity 3 Expired
US4284854A Universal signal generator for generating telephone system high level signals Electricity 3 Expired
US5835369A Power factor and crest factor circuit Emerging Cross-Sectional Technologies 1 Expired
US6920220B2 Pre-zero crossing signal generator for sinusoidal voltages with DC offsets such as telephone ring voltages Electricity 0 Expired

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