Roger A. Day
5Patents
4h-index
5Co-inventors
50Inventor score
Filing activity: Jun 24, 1983 → Dec 22, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4679493A | Reinforced pistons | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4708104A | Reinforced pistons | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4880189A | Device for closing and opening in the leading edge of a wing | Performing Operations; Transporting | 12 | Expired |
| US4586553A | Pistons | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7392928B2 | Welding process for large structures | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.