Robert Leeper
15Patents
11h-index
7Co-inventors
65Inventor score
Filing activity: Oct 15, 1990 → Aug 10, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5199325A | Electronic shift or clutch actuator for a vehicle transmission | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5989147A | Electronically controllable limited slip differential | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US5226860A | Vehicle torque transfer case | Performing Operations; Transporting | 42 | Expired |
| US6019694A | Electronically controllable limited slip differential having nonmagnetic casing portion | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6719662B2 | Electromagnetically locking differential | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5938555A | Speed sensitive limited slip differential | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6165095A | Apparatus and method for demagnetizing a controllable electromagnetically actuated differential | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6527661B2 | Limited slip differential having magnetorheological fluid brake | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6261202A | Cone clutch structure having recessed areas for use in a limited slip differential | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6076644A | Conical clutch member having recessed areas for use in a limited slip differential | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5992243A | Four-wheel drive transfer case with torque sensing | Performing Operations; Transporting | 11 | Expired |
| US6582336B2 | Electromagnetically-actuated limited slip differential | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5067729A | Block stacking game apparatus | Human Necessities | 7 | Expired |
| US6309320A | Direct housing mount of electromagnet | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US10980223B2 | Readily cleaned aerated bait bucket | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.