Robert D. Thomas
9Patents
8h-index
8Co-inventors
62Inventor score
Filing activity: Nov 15, 1976 → Mar 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4407378A | Nozzle retention method for rock bits | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4270812A | Drill bit bearing | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4187743A | Rock bit and method of manufacture | Performing Operations; Transporting | 17 | Expired |
| US7960614B2 | Plant transformation and selection | Chemistry; Metallurgy | 15 | Expired |
| US4091884A | Rotary air percussion bit | Fixed Constructions | 12 | Expired |
| US4400336A | Method of molding a hollow retainer in a foam article | Performing Operations; Transporting | 11 | Expired |
| US4413918A | Thrust bearing for rock bits | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5835525A | Furnaces and linings having segments with surfaces configured to absorb and reradiate heat | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US10919284B2 | Method for stiffening metal components by means of a robot-controlled application head | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.