Peter Riggle
5Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Oct 10, 1974 → Apr 7, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3956895A | Heat engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US3949554A | Heat engine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4967558A | Stabilized free-piston stirling cycle machine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4532766A | Stirling engine or heat pump having an improved seal | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7630288B2 | Phonograph tone arm mounting, decoupling, vertical tracking angle adjustment system, and vertical guide system | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.