Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394792 | Low NoX burner apparatus | John McDonald, Tim Kirk, Darton J. Zink | 2002-05-28 |
| 5980243 | Flat flame | John McDonald, Tim Kirk, Rex K. Isaacs, Darton J. Zink | 1999-11-09 |
| 5542840 | Burner for combusting gas and/or liquid fuel with low NO.sub.x production | James L. Smith, Richard C. Allen, Alan D. Witwer | 1996-08-06 |
| 5458481 | Burner for combusting gas with low NO.sub.x production | James L. Smith, Richard C. Allen, Alan D. Witwer | 1995-10-17 |