Inventor · North Fond du Lac, WI, US

David Roth

9Patents
4h-index
18Co-inventors
50Inventor score

Filing activity: Oct 20, 2000 → Mar 2, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6990969B2 Automatic choke for an engine Emerging Cross-Sectional Technologies 21 Expired
US7144000B2 Automatic choke for an engine Mechanical Engineering; Lighting; Heating 16 Expired
US7628387B1 Engine air/fuel mixing apparatus Emerging Cross-Sectional Technologies 11 Active
US8240639B2 Carburetor and automatic choke assembly for an engine Mechanical Engineering; Lighting; Heating 7 Active
US6557833B1 Priming system for an engine carburetor Emerging Cross-Sectional Technologies 3 Expired
US8573567B2 Carburetor including one-piece fuel-metering insert Mechanical Engineering; Lighting; Heating 1 Active
US8333366B2 Carburetor including one-piece fuel-metering insert Mechanical Engineering; Lighting; Heating 1 Active
US11111861B2 Engine speed control system Mechanical Engineering; Lighting; Heating 0 Active
US11326566B2 Transport valve system for outdoor power equipment Mechanical Engineering; Lighting; Heating 0 Active

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