Hermann Sperling
9Patents
6h-index
4Co-inventors
48Inventor score
Filing activity: Apr 9, 1992 → Jun 15, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD346390S | Welding torch | General | 39 | Expired |
| USD350884S | Combined cutting and welding torch handle | General | 35 | Expired |
| US5626216A | Tool holder, in particular for robot welding or cutting torches | Performing Operations; Transporting | 14 | Expired |
| USD350885S | Combined cutting and welding torch handle | General | 13 | Expired |
| US5837967A | Burner holder for mechanized or automated arc welding or cutting torches, especially machine and/or robot torches | Performing Operations; Transporting | 7 | Expired |
| US5473131A | Arc welding or cutting torch and electrode holder used for same | Electricity | 7 | Expired |
| US5473132A | Arcwelding or cutting torch | Performing Operations; Transporting | 5 | Expired |
| US5585021A | Cable connection for electric arc welding or cutting machine | Performing Operations; Transporting | 5 | Expired |
| US6037557A | Gas lens housing for arc-welding or flame cutters with non-melting electrodes | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.