RD

Randall J. DuVal

Illinois Tool Works: 11 patents #285 of 4,258Top 7%
📍 Appleton, WI: #216 of 1,506 inventorsTop 15%
🗺 Wisconsin: #4,236 of 40,088 inventorsTop 15%
Overall (All Time): #452,601 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
11027356 Welder generator engine speed control Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner 2021-06-08
10919103 Inductor and system for welding for maintaining welding arcs 2021-02-16
10144082 Welder generator engine speed control Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner 2018-12-04
9676053 Inductor and system for welding for maintaining welding arcs 2017-06-13
9604302 Welder generator engine speed control Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner 2017-03-28
9381593 Engine driven welder-generator with chopper circuit Daniel C. Fosbinder 2016-07-05
9266183 Welder generator engine speed control Daniel C. Fosbinder, Nathan Joe Jochman, Christopher J. Wierschke, John C. Leisner 2016-02-23
8859937 Engine driven welder-generator with chopper circuit Daniel C. Fosbinder 2014-10-14
8502115 Engine driven welder-generator with chopper circuit Daniel C. Fosbinder 2013-08-06
7315231 Electrical reactor assembly having center taps 2008-01-01
6954131 Electrical reactor assembly having center taps 2005-10-11