Leon Robinson
13Patents
10h-index
13Co-inventors
69Inventor score
Filing activity: Sep 18, 1974 → Mar 6, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3957118A | Cable system for use in a pipe string and method for installing and using the same | Fixed Constructions | 72 | Expired |
| US4537457A | Connector for providing electrical continuity across a threaded connection | Electricity | 63 | Expired |
| US4416494A | Apparatus for maintaining a coiled electric conductor in a drill string | Fixed Constructions | 59 | Expired |
| US4098342A | Method and apparatus for maintaining electric cable inside drill pipe | Fixed Constructions | 20 | Expired |
| USD449875S | Combination sink cover and cutting board | General | 17 | Expired |
| US4375310A | Self-locking cable connector | Electricity | 14 | Expired |
| US4053285A | Process for reducing the sulfide sulfur content of char with carbon dioxide and H.sub.2 O | Chemistry; Metallurgy | 12 | Expired |
| US4250974A | Apparatus and method for detecting abnormal drilling conditions | Fixed Constructions | 11 | Expired |
| US4271908A | Tracked cable guide assembly and method for storing conductor cable inside a drill pipe | Fixed Constructions | 11 | Expired |
| US4054421A | Method for desulfurizing char by acid washing and treatment with hydrogen gas | Chemistry; Metallurgy | 10 | Expired |
| US4448250A | Method of freeing a hollow tubular member | Fixed Constructions | 10 | Expired |
| US4188191A | Process for reducing the sulfur content of coal and coal char and the ignition temperature of coal char | Chemistry; Metallurgy | 6 | Expired |
| US4087514A | Process for desulfurizing char | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.