Walter Hahn
6Patents
3h-index
9Co-inventors
50Inventor score
Filing activity: Nov 11, 1977 → Sep 29, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4654492A | Switch drive | Electricity | 166 | Expired |
| US9287705B2 | Method and apparatus for contactless transmission of electrical energy between a wall and a door leaf fastened to this wall | Fixed Constructions | 3 | Active |
| US4138169A | Two row rolling bearing assembly having single piece inner ring and two piece outer ring | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4240681A | Two row rolling bearing assembly having single piece inner ring and two piece outer ring | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4795280A | Locking mechanism | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5024115A | Spindle drive | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.