Arthur E. Norman
7Patents
6h-index
—Co-inventors
46Inventor score
Filing activity: Oct 12, 1977 → Aug 14, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5110249A | Transport system for inline vacuum processing | Electricity | 65 | Expired |
| US4157169A | Fluid operated gate valve for use with vacuum equipment | Mechanical Engineering; Lighting; Heating | 55 | Expired |
| US4270727A | Spring loaded plug valve | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4237920A | Spring loaded plug valve | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4238111A | Gate valve for use with vacuum equipment | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4378523A | Metering and control system | Physics | 7 | Expired |
| US4610603A | Protective control system for diffusion pump | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.