William L. Sheppard
14Patents
7h-index
—Co-inventors
49Inventor score
Filing activity: Mar 11, 1974 → Nov 27, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4906154A | Self-adjusting fastener assembly | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4111395A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4664293A | Tube winder | Performing Operations; Transporting | 13 | Expired |
| US4073465A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4213595A | Butterfly valve | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US3995356A | Valve system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4601458A | Magnetic air valve | Electricity | 7 | Expired |
| US4050472A | Fluid valve | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3983894A | Fluid valves | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4714043A | Powered V-berth platform | Performing Operations; Transporting | 3 | Expired |
| US4979478A | Control cable | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4884544A | Control cable | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US4204812A | Vacuum system | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US4431952A | Electric powered apparatus | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.