Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083517 | Method of operating a furnace | John N. Newby, Thomas F. Robertson | 2011-12-27 |
| 8033254 | Submerged combustion vaporizer with low NOx | Mark C. Hannum, Thomas F. Robertson, John N. Newby | 2011-10-11 |
| 8002541 | Combustion method and apparatus | Thomas B. Neville, Mark C. Hannum, Thomas F. Robertson | 2011-08-23 |