Inventor · Redmond, WA, US

Gerald Keith Brewer

32Patents
12h-index
27Co-inventors
81Inventor score

Filing activity: Aug 30, 1996 → Nov 19, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7269873B2 Ultrasonic toothbrushes employing an acoustic waveguide Human Necessities 352 Active
US5796325A Charging coil core insert for electric toothbrushes Emerging Cross-Sectional Technologies 127 Expired
US9107486B2 Exfoliating brush head for a personal care appliance Human Necessities 39 Active
USD715558S1 Brush head General 35 Active
US8484788B2 Brushhead for electric skin brush appliance Human Necessities 34 Active
US8359692B2 Dental cleaning device Human Necessities 25 Active
USD715553S1 Exfoliating brush head assembly General 21 Active
USD711656S1 Exfoliating brush head General 21 Active
US7448109B2 Oral hygiene devices Human Necessities 18 Active
USD715557S1 Brush head General 18 Active
USD715556S1 Brush head General 17 Active
US10758027B2 Flexible tilting applicator attachment Human Necessities 15 Active
USD698932S1 Exfoliating disc head General 11 Active
US10264927B2 Brushhead for use with a non-Newtonian cosmetic composition Human Necessities 8 Active
US9307827B2 Replacement indicating workpiece Emerging Cross-Sectional Technologies 7 Active
USD698449S1 Exfoliating disc head General 6 Active
US9750533B2 Exfoliating head for a personal care appliance Human Necessities 6 Active
USD843003S1 Massage applicator General 5 Active
US9474358B2 Brushhead for use with a non-newtonian cosmetic composition Human Necessities 5 Active
US9925112B2 Systems and methods for regulation of one or more cutaneous proteins Human Necessities 4 Active
US9060595B2 Performance regulation for a personal care appliance Human Necessities 3 Active
US10258141B2 Power hairbrush with improved sebum-removing brushhead Human Necessities 2 Active
US10736413B2 Systems, devices, and methods of a self-activation use odometer for a skin care brush Human Necessities 2 Active
US9925111B2 Systems and methods for regulation of one or more epidermal proteins Human Necessities 2 Active
US9925113B2 Systems and methods for regulation of one or more epidermal or dermoepidermal proteins Human Necessities 1 Active

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