Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5898996 | Method of forming a cylindrical heat exchanger header tank | Siegfried A. Wasse | 1999-05-04 |
| 5607012 | Heat exchanger | Siegfried A. Wasse, Thomas A. Bowler | 1997-03-04 |
| 5195579 | Integral tab lock and bracket assembly for headered tube condenser | — | 1993-03-23 |
| 5111877 | Multi-tube heat exchanger with mechanically interlocked tubes formed from mechanically interlocked plates | Siegfried A. Wasse | 1992-05-12 |
| 4881594 | Header plate for pressure vessels, heat exchangers and the like | Henry Earl Beamer | 1989-11-21 |