James A. Pardee
18Patents
8h-index
6Co-inventors
65Inventor score
Filing activity: Dec 5, 1983 → Aug 24, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5033595A | Clutch/brake unit | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5119918A | Electromagnetic clutch with permanent magnet brake | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5549186A | Clutch/brake assembly | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5971121A | Mag stop clutch with center pole | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5285882A | Clutch with spacer for supporting a bearing | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5305865A | Rotor for electromagnetic coupling | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4496922A | Electromagnetically released coupling | Electricity | 13 | Expired |
| US7975818B2 | Rotational coupling device | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7732959B2 | Rotational coupling device | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US8499916B2 | Rotational coupling device with flux leakage path insulator | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7527134B2 | Rotational coupling device | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7493996B2 | Rotational coupling device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8881882B2 | Rotational coupling device with improved lubrication | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8844701B2 | Rotational coupling device with improved drive key retention structure | Emerging Cross-Sectional Technologies | 3 | Active |
| US8978854B2 | Rotational coupling device with integrated rotor and brake disc | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8967355B2 | Rotational coupling device configured for vertical orientation | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8887890B2 | Rotational coupling device with self-contained wet clutch pack | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8393451B2 | Rotational coupling device with wear compensation structure | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.