Lowell E. Johnson
7Patents
4h-index
24Co-inventors
53Inventor score
Filing activity: Jul 11, 1974 → Nov 5, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5040648A | Electrohydraulic control device for a drive train of a vehicle | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5109696A | Powertrain performance assessment system | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4088043A | Direct drive transmission | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4047383A | Torque converter with variable stator | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4791663A | Telephone status recognition and bypass system | Electricity | 4 | Expired |
| US3955366A | Torque converter power capacity varying means | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US3972401A | Slipping clutch controls responsive to wheel slip | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.