John A. Ingwersen
4Patents
4h-index
3Co-inventors
36Inventor score
Filing activity: May 10, 1991 → Oct 20, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5132513A | Gun for gas metal arc welding | Performing Operations; Transporting | 43 | Expired |
| US5260546A | Gun for gas metal arc welding | Performing Operations; Transporting | 32 | Expired |
| US5490653A | Cup holder accessory | Performing Operations; Transporting | 28 | Expired |
| USD334517S | Welding gun | General | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.