Alf Johansson
8Patents
5h-index
10Co-inventors
60Inventor score
Filing activity: Apr 12, 1982 → Jun 9, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD319960S | Hand-held tool | General | 15 | Expired |
| USD461309S1 | Tool holder | General | 8 | Expired |
| US6425840B1 | Differential gear | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9055851B2 | Locking system for a dishwasher | Human Necessities | 7 | Active |
| US4472702A | Wedging device and transformer including same | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD319959S | Hand-held tool | General | 5 | Expired |
| US6181022A | Keyboard in stationary vehicle control units | Electricity | 3 | Expired |
| US5000617A | Store | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.