Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11460188 | Ultra low emissions firetube boiler burner | Donald Kendrick, DOUGLAS W. KARKOW, Venkatesh Iyer, JAMES K. DANSIE, AARON SALZBRUN | 2022-10-04 | $687,000 |
| 11221137 | Field installed perforated flame holder and method of assembly and installation | Donald Kendrick, JAMES K. DANSIE, DOUGLAS W. KARKOW | 2022-01-11 | $919,000 |