Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9908205 | Heat exchanger expanded overlap joint | Donald N. Zimmer, Randy D. Smith | 2018-03-06 |
| 8875694 | Converging-diverging combustion zones for furnace heat exchanges | Shailesh Manohar, Hans Juergen Paller, John W. Whitesitt | 2014-11-04 |
| 8646442 | Clamshell heat exchanger | Shailesh Manohar, Glenn W. Kowald, Hans Juergen Paller, John W. Whitesitt, Jianmin Zhang | 2014-02-11 |
| 7036498 | Multi-position furnace | Matthew S. Riepenhoff, Cyril E. Fowble, IV, Glenn W. Kowald, Charles T. Post, Randy D. Smith | 2006-05-02 |
| 5544645 | Combination water heating and space heating apparatus | David L. Armijo, Tony R. Baker, Delbert Steven Christopher, David Jesse Moody, III, James J. Mullen +4 more | 1996-08-13 |
| 4568264 | Combustion chamber construction | James J. Mullen, Charles W. Adams | 1986-02-04 |
| D279703 | Furnace combustion chamber | Charles W. Adams, James J. Mullen | 1985-07-16 |
| 4479482 | Drain leg assembly | — | 1984-10-30 |
| 4475621 | Sound reduction means for pulsating type furnace | Charles W. Adams, Elrede F. Schneider | 1984-10-09 |