Bertil E. Jansson, deceased
6Patents
5h-index
7Co-inventors
52Inventor score
Filing activity: Dec 7, 1977 → Jul 25, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4240691A | Protective device for optical elements | Physics | 24 | Expired |
| US4238085A | Fixed-spool reel | Human Necessities | 24 | Expired |
| US4934954A | Electrical contact unit | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD254091S | Fishing reel | General | 12 | Expired |
| US4954092A | Electrical contact unit | Electricity | 8 | Expired |
| US4583573A | Collection apparatus | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.