| 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 |