Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215287 | Methods and apparatus for carbonaceous fuel and/or feedstock treatment | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Timothy P. Lenneman, Thomas K. Gale | 2025-02-04 |
| 11505757 | Methods and apparatus for improved gasification of carbonaceous feedstock | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Timothy P. Lenneman, Thomas K. Gale | 2022-11-22 |
| 11447402 | Process for production of synthesis gas using a coaxial feed system | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2022-09-20 |
| 10961478 | Methods and apparatus for the utilization of treated carbonaceous fuels and feedstocks | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Timothy P. Lenneman, Thomas K. Gale | 2021-03-30 |
| 10519047 | Process and system for production of synthesis gas | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2019-12-31 |
| 10202558 | Gasification feedstock treatment methods and apparatus | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Timothy P. Lenneman, Thomas K. Gale | 2019-02-12 |
| 9688935 | Coal additive | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Timothy P. Lenneman, Thomas K. Gale | 2017-06-27 |
| 8945247 | Methods and apparatus for the improved treatment of carbonaceous fuel and/or feedstocks | Matthew A. Cotton, Darlene K. Sherrod, Marcus K. Wiley, Thomas K. Gale, Timothy P. Lenneman | 2015-02-03 |
| 8197698 | Methods for removing impurities from water | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2012-06-12 |
| 8021577 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2011-09-20 |
| 8017040 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2011-09-13 |
| 8017041 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2011-09-13 |
| 7968006 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2011-06-28 |
| 7857995 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2010-12-28 |
| 7638070 | Methods and apparatus for solid carbonaceous materials synthesis gas generation | Dennis E. J. Johnson, Grigori A. Abramov, Richard A. Kleinke | 2009-12-29 |
| 6688702 | Borehole mining method | Grigori A. Abramov | 2004-02-10 |
| 6460936 | Borehole mining tool | Grigori Y. Abramov, Nikolai I. Babichev, Mikhail M. Novikov, Ratko Polic, Sergey D. Tkach | 2002-10-08 |