Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675878 | Angled turbulator for use in heat exchangers | James T. Haasch, Wayne Mueller, Thomas Lefeber, Robert Barfknecht, Frank M. Grippe +1 more | 2004-01-13 |
| 5797448 | Humped plate fin heat exchanger | Gregory G. Hughes | 1998-08-25 |