Helmut Friedl
9Patents
6h-index
18Co-inventors
60Inventor score
Filing activity: Aug 4, 2000 → Jan 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6734393B1 | Data display on a welding screen | Performing Operations; Transporting | 221 | Expired |
| US7523069B1 | Assessing and/or determining of user authorizations using a transponder, a finger print recognition routine or the like | Physics | 190 | Expired |
| US6479793B1 | Method for controlling a welding apparatus and corresponding control device | Performing Operations; Transporting | 165 | Expired |
| US6476354B1 | Method for controlling a welding apparatus and corresponding control device | Performing Operations; Transporting | 137 | Expired |
| US6315186A | Control device for a welding apparatus | Performing Operations; Transporting | 114 | Expired |
| US6570132B1 | Remote regulation unit for a welding apparatus or a power source | Performing Operations; Transporting | 70 | Expired |
| US10003383B2 | Power transmission system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11597025B2 | Method and device for detecting a welding wire diameter or welding wire composition in a welding device | Physics | 0 | Active |
| US11648151B2 | Welding helmet | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.