Inventor · Leatherhead, GB

David Cann

17Patents
10h-index
20Co-inventors
72Inventor score

Filing activity: Jul 20, 1990 → Feb 2, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7890612B2 Method and apparatus for regulating data flow between a communications device and a network Electricity 490 Active
USD328712S Combined bottle and dispensing closure General 105 Expired
US6408476B1 Toothbrush with elastomer filled flexible head Performing Operations; Transporting 103 Expired
US5946759A Brush head Performing Operations; Transporting 96 Expired
US5676643A Dispenser for friably releasing dry particulate medicaments Human Necessities 79 Expired
US6514445B1 Brush making Performing Operations; Transporting 69 Expired
USD325164S Combined bottle and dispensing closure General 68 Expired
US6471095B1 Dosing and delivering system Performing Operations; Transporting 55 Expired
US8327492B2 Toothbrush with elastomer filled flexible head Performing Operations; Transporting 34 Active
US5064106A Metered dispensing package Physics 25 Expired
US8734670B2 Lead-free piezoelectric materials with enhanced fatigue resistance Chemistry; Metallurgy 4 Active
US7962992B2 Toothbrush with elastomer filled flexible head Performing Operations; Transporting 1 Expired
US11124456B2 Methods of identifying and preparing a ceramic material exhibiting an electric field induced strain Chemistry; Metallurgy 1 Active
US9780295B2 Lead-free piezoelectric material Chemistry; Metallurgy 0 Active
US10056539B2 Electrocaloric device Emerging Cross-Sectional Technologies 0 Active
US9539723B2 Accessory robot for mobile device Emerging Cross-Sectional Technologies 0 Active
US11078122B2 Ceramic material comprising a pseudo-cubic phase, a process for preparing and uses of the same Chemistry; Metallurgy 0 Active

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