Inventor · London, GB

David Evans

34Patents
14h-index
10Co-inventors
78Inventor score

Filing activity: Oct 26, 1981 → Feb 14, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
USD351694S Mat for use adjacent to litter box General 66 Expired
USD762934S1 Caddy XL General 40 Active
USD776385S1 Drying rack General 37 Active
USD693082S1 Double-sided draining mat General 35 Active
USD731728S1 In-sink caddy General 30 Active
USD711196S1 Drawer store General 30 Active
USD723759S1 Dish rack General 27 Active
US6710273B1 One piece pre-molded environmental seal for toggle switch Electricity 23 Expired
USD781018S1 Drying mat General 23 Active
USD711059S1 Draining mat General 19 Active
USD351263S Lined pet food dish General 17 Expired
US4491775A Motor operating parameter sensing apparatus Electricity 16 Expired
USD787769S1 Rack General 16 Active
USD891018S1 Drying rack General 16 Active
USD669322S1 Utensil holder General 13 Active
USD882899S1 Dish rack General 11 Active
USD842660S1 Utensil holder General 10 Active
US5427802A Process for enhancing the growth performance of edible meat-producing animals Emerging Cross-Sectional Technologies 10 Expired
USD836942S1 Sink organizer General 9 Active
US6791047B1 Toggle switch cover apparatus and method Electricity 9 Expired
USD715060S1 Set of scrub brushes General 6 Active
US5651343A Idle speed controller Mechanical Engineering; Lighting; Heating 6 Expired
USD693185S1 Cheese knife set General 6 Active
US5202136A Animal feed ration Emerging Cross-Sectional Technologies 6 Expired
USD688923S1 Nest utensils General 6 Active

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