Ray Armstrong
34Patents
12h-index
24Co-inventors
77Inventor score
Filing activity: May 2, 1994 → Aug 16, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6659504B2 | Steering column for a vehicle | Performing Operations; Transporting | 59 | Expired |
| US6909964B2 | Vehicle locating system | Physics | 39 | Expired |
| US5899116A | Connection for energy-absorbing steering column | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6761376B2 | Steering column for a vehicle | Performing Operations; Transporting | 21 | Expired |
| US5720496A | Energy absorber for motor vehicle steering column | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7178422B2 | Electrical tilt and telescope locking mechanism | Performing Operations; Transporting | 17 | Expired |
| US6749222B2 | Responsive energy absorbing device for steering columns | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7331608B2 | Electrically actuated steering column mechanism | Performing Operations; Transporting | 16 | Expired |
| US6948741B2 | Telescoping steering column assembly | Performing Operations; Transporting | 13 | Expired |
| US7055860B2 | Electrically actuated steering column mechanism | Performing Operations; Transporting | 12 | Expired |
| US8127639B2 | Sleeve bearing for collapsible steering column | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US5481938A | Position control apparatus for steering column | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6134983A | Motor vehicle steering column and method | Performing Operations; Transporting | 11 | Expired |
| US5911438A | Energy absorber for steering column | Performing Operations; Transporting | 10 | Expired |
| US7827880B2 | Steering column assembly with a quick release bolt | Performing Operations; Transporting | 10 | Active |
| US7325834B2 | Adaptive strap energy absorber with pin puller | Performing Operations; Transporting | 10 | Expired |
| US7093855B2 | Steering column assembly having clamping mechanism | Performing Operations; Transporting | 10 | Expired |
| US6802536B2 | Adaptive energy absorbing device for a steering column | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6877775B2 | Adaptive energy absorption system | Performing Operations; Transporting | 8 | Expired |
| US7077432B2 | Steering column assembly having break-away device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7228755B2 | Release capsule for steering column | Performing Operations; Transporting | 8 | Expired |
| US7124866B2 | Adaptive energy absorber | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6857660B2 | Radial spring lock-tilt head | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7118131B2 | Adaptive energy absorber | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5953961A | Connection between steering column and motor vehicle body | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.