Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6126440 | Synthetic air assembly for oxy-fuel fired furnaces | Ronald D. Argent, Christopher J. Hoyle, Trevor Ward, George R. Mattocks | 2000-10-03 |
| 6036486 | Heat regeneration for oxy-fuel fired furnaces | Ronald D. Argent, Christopher J. Hoyle, Trevor Ward | 2000-03-14 |