Helmut Holthoff
11Patents
4h-index
7Co-inventors
53Inventor score
Filing activity: Jan 21, 1980 → Jul 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4827751A | Device for machining rolls in a rolling stand | Performing Operations; Transporting | 13 | Expired |
| US4666317A | Bearing assemblies for rotating shafts | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4385530A | Transmission for driving a stretch-reducing rolling mill | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4414859A | Bevel gear differential drives and methods for adjusting their tooth engagement | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4353513A | Winding apparatus | Performing Operations; Transporting | 4 | Expired |
| US4848185A | Transmission for driving the rolls of a rolling line | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5355704A | Method and arrangement for adjusting of three rollers or guiding rolls which together form a caliber opening | Performing Operations; Transporting | 3 | Expired |
| US4391357A | Couplings | Performing Operations; Transporting | 3 | Expired |
| US5467625A | Arrangement for adjusting of three rollers or guiding rolls which together form a caliber opening | Performing Operations; Transporting | 2 | Expired |
| US4879924A | Gearing for driving the rolls of a roll train | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US12229143B2 | Query refactoring framework | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.