James E. Shaffer
42Patents
18h-index
7Co-inventors
74Inventor score
Filing activity: Apr 23, 1981 → Oct 12, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6308632A | Deployable folded propeller assembly for aerial projectiles | Mechanical Engineering; Lighting; Heating | 106 | Expired |
| US6186443A | Airborne vehicle having deployable wing and control surface | Mechanical Engineering; Lighting; Heating | 104 | Expired |
| US5538380A | Metallic nut for use with ceramic threads | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5459995A | Turbine nozzle attachment system | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4643047A | Speed reducing gearing mechanism employing trochoidally formed gear surfaces for rolling torque transmission | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4452102A | Epicycloidal gearing | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4584904A | Epicyclic transmission having free rolling roller driving elements | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5027756A | Nutating spider crank reciprocating piston machine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US5457954A | Rolling contact mounting arrangement for a ceramic combustor | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7982662B2 | Scanning array for obstacle detection and collision avoidance | Physics | 23 | Active |
| US5591003A | Turbine nozzle/nozzle support structure | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5022277A | Screw and nut machine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5392596A | Combustor assembly construction | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5380154A | Turbine nozzle positioning system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5441385A | Turbine nozzle/nozzle support structure | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5584652A | Ceramic turbine nozzle | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5809837A | Roller screw device for converting rotary to linear motion | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5435693A | Pin and roller attachment system for ceramic blades | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5636508A | Wedge edge ceramic combustor tile | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4941787A | Locking mechanism for fastener | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5081885A | Drive with oscillator-coupled transversely moving gear elements | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5431541A | Ceramic blade attachment system | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5123308A | Torque multiplying lug nut wrench | Performing Operations; Transporting | 11 | Expired |
| US5487642A | Turbine nozzle positioning system | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4620457A | Nutating drive mechanisms having roller driving elements | Mechanical Engineering; Lighting; Heating | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.