Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8425866 | Control of emissions | Clyde F. Parrish | 2013-04-23 |
| 8409534 | Control of emissions | Clyde F. Parrish | 2013-04-02 |
| 5535686 | Burner for tangentially fired boiler | — | 1996-07-16 |
| 5388536 | Low NO.sub.x burner | — | 1995-02-14 |
| 5249535 | Low NO.sub.x burner | — | 1993-10-05 |
| 4975045 | Burner register with dual inlet air valves | George K. Green | 1990-12-04 |
| 4927352 | Boiler furnace air register | — | 1990-05-22 |
| 4681532 | Boiler furnace air register | — | 1987-07-21 |