James K. Spring
5Patents
4h-index
8Co-inventors
46Inventor score
Filing activity: Jan 26, 1999 → Oct 10, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6016102A | Pressure sensor housing | Performing Operations; Transporting | 26 | Expired |
| US6412618B1 | Ball-ramp-actuated friction clutch controlled by a particle-clutch | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US6182808A | Viscous actuated ball ramp clutch having through shaft capability | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6888273B2 | Integrated motor and clutch assembly | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US10975922B2 | Hydraulically actuated differential | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.