Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976403 | Method for shortening an injection pipe for underground coal gasification | Kieran Maurice O'Leary | 2018-05-22 |
| 9963949 | Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification | Clifford William Mallett, Marion Russell Mark | 2018-05-08 |