William D. Vork
13Patents
8h-index
9Co-inventors
61Inventor score
Filing activity: May 19, 1975 → Jul 10, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4046287A | Automatic metering and dispensing system | Performing Operations; Transporting | 69 | Expired |
| US3955763A | Rotatable spray nozzle | Performing Operations; Transporting | 62 | Expired |
| US4263003A | Method of mixing liquids in closed containers | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4050859A | Diaphragm pump having a reed valve barrier to hydraulic shock in the pressurizing fluid | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4942899A | Cartridge pressure regulator | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4086936A | Variable seat check valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4147478A | Secondary pump feed apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4173418A | Apparatus for mixing liquids | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4789131A | Pilot valve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4843841A | Energy conserving refrigeration device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4000856A | Fog/spray system and apparatus | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4591096A | Centrifugal sprayer having interchangeable feed mechanism | Performing Operations; Transporting | 2 | Expired |
| US4019395A | Piston drive assembly | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.