Nigel Gray
8Patents
3h-index
12Co-inventors
54Inventor score
Filing activity: Jun 18, 1984 → Mar 18, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4678194A | Target apparatus including transmitting/receiving dart | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4870970A | Ultrasonic investigation apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6561568B1 | Window shield for vehicle body | Performing Operations; Transporting | 4 | Expired |
| US11371610B2 | Flutter-suppression piston ring | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11578799B2 | Piston ring and piston ring/piston combination with improved wear properties | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10006399B2 | Cylinder sleeve with wear-resistant inner layer | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9719596B2 | Piston ring for internal combustion engines with increased fatigue strength, and method for producing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US11199261B2 | Play-free oil scraper ring | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.