Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808999 | Process for increasing ethylene and propylene yield from a propylene plant | Isa K. Mbaraka, William L. Jackson, Martin A. Cogswell, Brien A. Stears | 2020-10-20 |
| 7950453 | Downhole burner systems and methods for heating subsurface formations | Walter Farman Farmayan, Steven Paul Giles, Joseph Phillip Brignac, Jr., Abdul Wahid Munshi, Faraz Abbasi +3 more | 2011-05-31 |
| 5582807 | Method and apparatus for removing particulate and gaseous pollutants from a gas stream | Chung F. Liao | 1996-12-10 |
| 5547548 | Pyrolysis process water utilization | — | 1996-08-20 |
| 4797136 | Low rank coal by wet oxidizing, drying and cooling | Neal D. Stidham, William C. Machmer | 1989-01-10 |
| 4793656 | In-situ coal drying | Timothy S. Westby | 1988-12-27 |
| 4750913 | Cooling of dried coal | — | 1988-06-14 |
| 4617744 | Elongated slot dryer for wet particulate material | James A. Salter, Robert P. Deschner | 1986-10-21 |
| 4582511 | Process for suppressing the dusting of coal | Donald E. Hardesty, John King, William C. Machmer | 1986-04-15 |