Inventor · Zwingenberg, DE

Uwe Schaaf

19Patents
8h-index
35Co-inventors
68Inventor score

Filing activity: Jun 21, 2001 → Aug 14, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7219430B2 Oscillating razors Performing Operations; Transporting 32 Expired
US7810243B2 Razors Emerging Cross-Sectional Technologies 17 Active
US7637014B2 Razors Performing Operations; Transporting 16 Active
US7367126B2 Powered wet-shaving razor Performing Operations; Transporting 16 Expired
US6441517B1 Drive mechanism for oscillating electric products of personal use, particularly dry shavers Electricity 11 Expired
US8561301B2 Razors Emerging Cross-Sectional Technologies 9 Active
US8250763B2 Battery-operated razor Electricity 8 Active
US8302316B2 Battery-operated razor Emerging Cross-Sectional Technologies 8 Active
US7180254B2 Method and apparatus for controlling an oscillating electric motor of a small electric appliance Electricity 7 Expired
US7703209B2 Powered wet-shaving razor Performing Operations; Transporting 6 Active
US7500313B2 Oscillating razors Performing Operations; Transporting 6 Active
US8037608B2 Razor with clamp force housing for battery Performing Operations; Transporting 6 Expired
US7694419B2 Battery-operated appliances Emerging Cross-Sectional Technologies 5 Active
US8555510B2 Electric razor having integrated cooling Performing Operations; Transporting 4 Active
US7415768B2 Shear system for an electric hair removing apparatus Performing Operations; Transporting 4 Expired
US7544439B2 Venting water-tight battery-operated devices Emerging Cross-Sectional Technologies 3 Active
US7846570B2 Venting water-tight battery-operated devices Emerging Cross-Sectional Technologies 3 Active
US8082670B2 Shaving head for an electric shaver Performing Operations; Transporting 1 Active
US9409302B2 Razors Emerging Cross-Sectional Technologies 1 Active

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