Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8864996 | Reduction of conradson carbon residue and average boiling points utilizing high pressure ultrafiltration | Daniel P. Leta, Edward W. Corcoran, Jr., Brian Erik Henry, Kirk C. Nadler, Stephen M. Cundy +4 more | 2014-10-21 |
| 7374660 | Process for selectively producing C3 olefins in a fluid catalytic cracking process with recycle of a C4 fraction to a secondary reaction zone separate from a dense bed stripping zone | Todd R. Steffens, Brian Erik Henry, Jacob Johannes Thiart, Nicole J. Lai | 2008-05-20 |
| 4421169 | Protective sheath for high temperature process wells | Herbert B. Wolcott, Jr. | 1983-12-20 |
| 4399866 | Method for controlling the flow of subterranean water into a selected zone in a permeable subterranean carbonaceous deposit | — | 1983-08-23 |
| 4396064 | Method and apparatus for injecting a gaseous stream into a subterranean zone | — | 1983-08-02 |
| 4227990 | Thermal cracking of retort oil | Robert Smith | 1980-10-14 |