Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523039 | Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step | Dennis W. Coolidge, Deane A. Horne, Leslie C. White | 2016-12-20 |
| 9005322 | Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step | Dennis W. Coolidge, Deane A. Horne, Leslie C. White | 2015-04-14 |
| 8968520 | Coal processing to upgrade low rank coal having low oil content | Dennis W. Coolidge, Deane A. Horne | 2015-03-03 |
| 7677261 | High flow, low mobile weight quick disconnect system | Zoltan Nagy, Joseph Moszczienski | 2010-03-16 |
| 6431519 | Axially rotated valve actuation system | — | 2002-08-13 |
| 4196422 | Intrusion alarm system | David L. Swigert | 1980-04-01 |