Randall J. DuVal
11Patents
3h-index
4Co-inventors
49Inventor score
Filing activity: Apr 2, 2003 → Dec 4, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.