Robert O'Brien
5Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: May 28, 1981 → Feb 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4544488A | Air stripping/adsorption process for removing organics from water | Chemistry; Metallurgy | 20 | Expired |
| US4406872A | Desulfurization of delayed petroleum coke | Chemistry; Metallurgy | 16 | Expired |
| US4879021A | Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US9312077B2 | Double layer capacitors | Emerging Cross-Sectional Technologies | 0 | Active |
| US11384021B2 | Grains for the production of a sintered refractory product, a batch for the production of a sintered refractory product, a process for the production of a sintered refractory product and a sintered refractory product | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.