Inventor · Appleton, WI, US

Randall J. DuVal

11Patents
3h-index
4Co-inventors
49Inventor score

Filing activity: Apr 2, 2003 → Dec 4, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8859937B2 Engine driven welder-generator with chopper circuit Performing Operations; Transporting 5 Active
US8502115B2 Engine driven welder-generator with chopper circuit Performing Operations; Transporting 5 Active
US9266183B2 Welder generator engine speed control Performing Operations; Transporting 4 Active
US7315231B2 Electrical reactor assembly having center taps Electricity 3 Expired
US9381593B2 Engine driven welder-generator with chopper circuit Performing Operations; Transporting 2 Active
US10919103B2 Inductor and system for welding for maintaining welding arcs Electricity 1 Active
US6954131B2 Electrical reactor assembly having center taps Electricity 1 Expired
US11027356B2 Welder generator engine speed control Performing Operations; Transporting 0 Active
US9604302B2 Welder generator engine speed control Performing Operations; Transporting 0 Active
US9676053B2 Inductor and system for welding for maintaining welding arcs Electricity 0 Active
US10144082B2 Welder generator engine speed control Performing Operations; Transporting 0 Active

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