Inventor · Elm Grove, WI, US

David W. Procknow

32Patents
9h-index
38Co-inventors
75Inventor score

Filing activity: Jul 21, 1992 → Mar 30, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10319207B1 Portable generator including carbon monoxide detector Emerging Cross-Sectional Technologies 43 Active
US8733072B2 Starter system for an engine Emerging Cross-Sectional Technologies 28 Active
US8857138B2 Starter system for an engine Mechanical Engineering; Lighting; Heating 24 Active
US8863485B2 Hybrid lawn mower drive system Emerging Cross-Sectional Technologies 21 Active
US10475319B2 Portable generator including carbon monoxide detector Emerging Cross-Sectional Technologies 21 Active
US5314009A Exhaust gas recuperator Emerging Cross-Sectional Technologies 16 Expired
US7484409B2 Fluid level switch Physics 15 Active
US8337172B2 Pressure washer pump and engine system Performing Operations; Transporting 12 Active
US6349688B1 Direct lever overhead valve system Mechanical Engineering; Lighting; Heating 12 Expired
US5230321A Lean-burn internal combustion gas engine Emerging Cross-Sectional Technologies 7 Expired
US10197025B2 Fuel delivery injector Mechanical Engineering; Lighting; Heating 6 Active
US8517146B2 Hose cap coupler and clip Mechanical Engineering; Lighting; Heating 4 Active
US9945281B2 Cooling system for air-cooled engines Mechanical Engineering; Lighting; Heating 3 Active
US10539112B2 Internal combustion engine with electric starting system Mechanical Engineering; Lighting; Heating 2 Active
US9220192B2 Lawn mower starter system Emerging Cross-Sectional Technologies 2 Active
US9828966B2 Lawn mower starter system Emerging Cross-Sectional Technologies 2 Active
US11085412B2 Internal combustion engine with electric starting system Mechanical Engineering; Lighting; Heating 2 Active
US11820218B2 User-scalable power unit including removable battery packs Emerging Cross-Sectional Technologies 1 Active
US9267482B2 Starter system for an engine Mechanical Engineering; Lighting; Heating 1 Active
US11408326B2 Internal combustion engine with electric starting system Mechanical Engineering; Lighting; Heating 1 Active
US11002234B2 Fuel delivery injector Mechanical Engineering; Lighting; Heating 1 Active
US11642952B2 User-scalable power unit including removable battery packs Emerging Cross-Sectional Technologies 1 Active
US11477939B2 Mower deck insert Human Necessities 1 Active
US11610464B2 Portable generator including carbon monoxide detector Emerging Cross-Sectional Technologies 0 Active
US11639681B2 Internal combustion engine with electric starting system Mechanical Engineering; Lighting; Heating 0 Active

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