Henry C. Billingsley
14Patents
8h-index
19Co-inventors
65Inventor score
Filing activity: Aug 4, 1980 → Oct 5, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4373479A | Fuel system providing priming and automatic warm up | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5203306A | Fuel feed system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4437448A | Dual fuel supply system | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5065723A | Marine propulsion device with spark timing and fuel supply control mechanism | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4499887A | Dual fuel supply system | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4375795A | Dual fuel supply system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5022355A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4947807A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5035211A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4566424A | Flexible coupling for carburetors | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4757792A | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4779598A | Acceleration fuel enrichment system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6196524A | Fuel enrichment system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5494613A | Carburetor with enrichment fuel pump | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.