Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207378 | Heat exchanger design based on partial stain energy density ratio | Karl Paul Kroetsch, Mark R. Hammer | 2007-04-24 |
| 7143512 | Method of making a brazed metal heat exchanger core with self-shearing reinforcement | Karl Paul Kroetsch | 2006-12-05 |
| 6619380 | Heat exchanger drain assembly having a frangible wall | Robert C. Gmerek | 2003-09-16 |