Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6408932 | Heat exchanger having high moisture transfer capability in high relative humidity air | Donald F. Steele | 2002-06-25 |
| 5937933 | Regenerator heat exchanger having one or more adjustable performance characteristics | Donald F. Steele | 1999-08-17 |
| 5002116 | Rotary heat regenerator | Donald F. Steele | 1991-03-26 |
| 4875520 | Desiccant heat device | Donald F. Steele, Christopher Kyricos, Peter J. Tolan | 1989-10-24 |
| 4825936 | Rotary heat regenerator | Donald F. Steele | 1989-05-02 |