John L. Farrant
5Patents
5h-index
2Co-inventors
49Inventor score
Filing activity: Dec 22, 1976 → Feb 27, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4102608A | Reciprocatory piston and cylinder machines | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4854825A | Multi-stage vacuum pump | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4790726A | Reciprocatory piston and cylinder machine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4560327A | Porting and ducting arrangement | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4699572A | Reciprocatory piston and cylinder machine | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.