Western Research Institute, Inc.
13Patents
1Active
13Granted
35Portfolio score
Filing activity: Aug 31, 1987 → Mar 12, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4848460A | Contained recovery of oily waste | Emerging Cross-Sectional Technologies | 194 | Expired |
| US4802761A | Optical-fiber raman spectroscopy used for remote in-situ environmental analysis | Physics | 73 | Expired |
| US5087269A | Inclined fluidized bed system for drying fine coal | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US5041209A | Process for removing heavy metal compounds from heavy crude oil | Chemistry; Metallurgy | 59 | Expired |
| US5403365A | Process for low mercury coal | Chemistry; Metallurgy | 38 | Expired |
| US5322530A | Process for clean-burning fuel from low-rank coal | Chemistry; Metallurgy | 29 | Expired |
| US5171406A | Fluidized bed selective pyrolysis of coal | Chemistry; Metallurgy | 25 | Expired |
| US5198084A | Low-cost process for hydrogen production | Chemistry; Metallurgy | 16 | Expired |
| US5085838A | Thermal modification of asbestos | Performing Operations; Transporting | 12 | Expired |
| US4971702A | Selenium adsorption process | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4988376A | Glassification of lead and silica solid waste | Chemistry; Metallurgy | 10 | Expired |
| US5406193A | Hot gas in-situ monitoring probe | Physics | 2 | Expired |
| US12076663B2 | Methods for modulating petroleum-based hydrocarbons using amines | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.