Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145557 | Diffuse combustion method and apparatus | Thomas F. Robertson, Bruce E. Cain | 2018-12-04 |
| 9476589 | Diffuse combustion method and apparatus | — | 2016-10-25 |
| 8961169 | High uniformity heating | Thomas F. Robertson, Justin R. Dzik, William E. Tracey | 2015-02-24 |
| 8083517 | Method of operating a furnace | Thomas F. Robertson, John J. Nowakowski | 2011-12-27 |
| 8033254 | Submerged combustion vaporizer with low NOx | Mark C. Hannum, Thomas F. Robertson, John J. Nowakowski | 2011-10-11 |
| 7832365 | Submerged combustion vaporizer with low NOx | Mark C. Hannum, Thomas F. Robertson, John J. Nowakowski | 2010-11-16 |
| 7666345 | Method and apparatus for melting metal | Thomas F. Robertson | 2010-02-23 |
| 7578962 | Method and apparatus for melting metal | Thomas F. Robertson | 2009-08-25 |
| 7473297 | Vertical shaft melting furnace | John R. Hugens, Jr., Thomas F. Robertson | 2009-01-06 |
| 7452400 | Method and apparatus for melting metal | Thomas F. Robertson | 2008-11-18 |
| 7282172 | Vertical shaft melting furnace | John R. Hugens, Jr., Thomas F. Robertson | 2007-10-16 |
| 6929469 | Burner apparatus | Bruce E. Cain, Thomas F. Robertston, Thomas B. Neville, Mark C. Hannum | 2005-08-16 |
| 6638061 | Low NOx combustion method and apparatus | Bruce E. Cain, Thomas F. Robertson | 2003-10-28 |
| 6206686 | Integral low NOx injection burner | Keith J. Nieszczur, Bruce E. Cain, Thomas F. Robertson, Richard D. Sutton | 2001-03-27 |
| 5813846 | Low NOx flat flame burner | Robert A. Shannon, Keith J. Nieszczur | 1998-09-29 |