Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982908 | Heat transfer sheet for rotary regenerative heat exchanger | James W. Birmingham, Kevin J. O'Boyle, James D. Seebald | 2021-04-20 |
| 10955136 | Method and system for improving boiler effectiveness | Kevin J. O'Boyle | 2021-03-23 |