John Spooner
13Patents
5h-index
15Co-inventors
63Inventor score
Filing activity: Jul 6, 1994 → Oct 8, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5836207A | Ratio selector mechanisms | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5542316A | Cam type gearless interaxle differential mechanism | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5609073A | Camming differential with oil pump means | Emerging Cross-Sectional Technologies | 9 | Expired |
| US10030598B2 | Vehicle movement on an inclined surface | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5557986A | Differential mechanism | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9732850B2 | Park release method and vehicle having park release means | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9829072B2 | Transmission | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6786068B2 | Locking device for pintle type trailer hitch | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10024430B2 | Park lock apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6254506A | Transmission for four-wheel drive vehicle | Performing Operations; Transporting | 1 | Expired |
| US10704683B2 | Gear selector | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10054196B2 | Transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9752655B2 | Transmission | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.