Edwards Engineering Corp.
11Patents
0Active
11Granted
32Portfolio score
Filing activity: Jul 22, 1975 → Dec 21, 1998
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4502920A | Apparatus for aboveground separation, vaporization and recovery of oil from oil shale | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6286316A | System for recovering and utilizing vapor | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5291738A | Vapor recovery apparatus and method | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4077789A | Vapor condensing and recovery assembly including a decanter for vapor recovery system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4027495A | Vapor recovery system for volatile liquids and vapor condensing apparatus for use therein | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4380912A | Double wall tube assembly for use in heat exchangers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4286653A | Coaxial tube in tube heat exchanger with inner tube support | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4600476A | Apparatus for aboveground separation, vaporization and recovery of oil from oil shale | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4534849A | Method for aboveground separation, vaporization and recovery of oil from oil shale | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4068710A | Vapor condenser for vapor recovery systems | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4083227A | Hydrocarbon vapor analyzer | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.