Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543520 | Low-distortion axial seal plate for air preheaters | Kevin J. O'Boyle, Michael Zakel | 2003-04-08 |
| 6505679 | Low-distortion sector plate for air preheaters | Kevin J. O'Boyle, Michael Zakel | 2003-01-14 |
| 6439170 | Single seam duct corner | Kevin J. O'Boyle, Michael Zakel | 2002-08-27 |
| 6237674 | Spoked support ring for air preheater housing | Kevin J. O'Boyle, Michael Zakel | 2001-05-29 |