Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786275 | Heat exchanger header assembly | Jonathan Fitzgerald, Michael V. Powers | 2004-09-07 |
| 6179050 | Heat exchangers | JAMES J. KOO | 2001-01-30 |
| 5329995 | Heat exchanger assembly I | Sigurd Case | 1994-07-19 |
| 5207738 | Heat exchanger manifold assembly | — | 1993-05-04 |
| 5076557 | Twist indicator gasket | Paul K. Beatenbough, David J. Twichell | 1991-12-31 |
| 5031924 | Twist indicator gasket | Paul K. Beatenbough, David J. Twichell | 1991-07-16 |
| 4997035 | Joint crevice corrosion inhibitor | Paul K. Beatenbough, David J. Twichell | 1991-03-05 |