Inventor · Liverpool, GB

Alan J. Cook

37Patents

12h-index

32Co-inventors

81Inventor score

Filing activity: Dec 3, 1976 → Mar 28, 2022

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5859527A	Electrical signal supply with separate voltage and current control for an electrical load	Emerging Cross-Sectional Technologies	196	Expired
USD646443S1	Pet laser light toy	General	43	Expired
US7762213B2	Self-cleaning litter box	Human Necessities	37	Active
US9173527B2	Ice cream scoop	Human Necessities	31	Active
US7997230B2	Manual litter box	Human Necessities	28	Active
USD659305S1	Magnetically coupled pet toy	General	28	Expired
US5115128A	Signal extraction apparatus and method	Physics	24	Expired
USD724795S1	Cat toy	General	19	Active
US8640653B2	Twitch toy	Human Necessities	18	Active
US8166919B2	Self-cleaning litter box	Human Necessities	13	Active
US8161908B2	Self-cleaning litter box	Human Necessities	12	Active
US8166918B2	Self-cleaning litter box	Human Necessities	12	Active
US8166920B2	Self-cleaning litter box	Human Necessities	12	Active
US4130150A	Finger jointing machine	Emerging Cross-Sectional Technologies	10	Expired
US8028659B2	Self-cleaning litter box	Human Necessities	10	Active
US5265479A	Micro resonator	Physics	7	Expired
USD758678S1	Cat toy	General	6	Active
US8561836B2	Crate with collapsible wall	Performing Operations; Transporting	6	Active
US8567348B2	Manual litter box	Human Necessities	5	Active
US5426981A	Vibrating sensor	Emerging Cross-Sectional Technologies	4	Expired
US9491930B2	Light projecting pet toy	Human Necessities	4	Active
USD756184S1	Bottle opener	General	4	Active
USD756170S1	Cheese knife	General	3	Active
USD713219S1	Ice cream scoop	General	3	Active
US8292078B2	Multi-position stackable container	Performing Operations; Transporting	3	Active

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