Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4727937 | Steamflood process employing horizontal and vertical wells | Margaret A. Hight, Alfred Brown | 1988-03-01 | $113,014,000 |
| 4535845 | Method for producing viscous hydrocarbons from discrete segments of a subterranean layer | Alfred Brown, Wann-Sheng Huang | 1985-08-20 | $5,309,000 |
| 4495994 | Thermal injection and in situ combustion process for heavy oils | Alfred Brown, Wann-Sheng Huang | 1985-01-29 | $11,945,000 |
| 4278128 | Petroleum recovery chemical retention prediction technique | Abdus Satter, Richard H. Widmyer, Curtis E. Howard | 1981-07-14 | $15,137,000 |
| 4273187 | Petroleum recovery chemical retention prediction technique | Abdus Satter, Richard H. Widmyer, Curtis E. Howard | 1981-06-16 | $7,712,000 |
| 4260018 | Method for steam injection in steeply dipping formations | Wann-Sheng Huang | 1981-04-07 | $10,213,000 |