Kjell Borgersen
15Patents
6h-index
6Co-inventors
59Inventor score
Filing activity: Aug 5, 1974 → Jun 2, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4136577A | Device for connecting either one of two alternative operating members with an operated member | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4397198A | Marine transmission assembly system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4652878A | Trim indicator for boats with outboard propeller drive units | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4741713A | Boat propeller drive unit | Performing Operations; Transporting | 8 | Expired |
| US4412455A | Method and apparatus for measuring the torque or power of a boat motor in place | Physics | 7 | Expired |
| US4624643A | Boat propeller drive unit with trim/tilt sensor | Performing Operations; Transporting | 6 | Expired |
| US5788545A | Trim angler sensor transmission for a marine drive | Performing Operations; Transporting | 5 | Expired |
| US5755604A | Boat propeller drive unit | Performing Operations; Transporting | 4 | Expired |
| US4191063A | Servo device, especially for reversible gears in motorboats | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5049097A | Steering shock absorber for boat propeller drive units | Performing Operations; Transporting | 4 | Expired |
| US3945874A | Method of assembling hubs, particularly propeller hubs for boat engines | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD277763S | Transmission for boats | General | 3 | Expired |
| USD277387S | Combined transmission and propeller assembly for boats | General | 1 | Expired |
| USD277762S | Transmission for boats | General | 1 | Expired |
| USD264724S | Transmission for boats | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.