Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405030 | Top fired outdoor gas heat exchanger | Madhuka Manuranga Jayarathne | 2025-09-02 |
| 11236762 | Variable geometry of a housing for a blower assembly | Madhuka Manuranga Jayarathne, Hongdan Wang, Roy Randall Crawford, Paul J. Lucas | 2022-02-01 |
| 10921016 | Integrated control box for HVAC units | Madhuka Manuranga Jayarathne, Daniel W. Davis | 2021-02-16 |
| 10302311 | Intake drain system and method | Terry E. Hill, Greg K. Reaser | 2019-05-28 |
| 10024608 | Heat exchanger | Tabraiz Ali Khan, Gregory Kenneth Reaser, Terry E. Hill | 2018-07-17 |
| 9631821 | Intake drain system and method | Terry E. Hill, Greg K. Reaser | 2017-04-25 |
| 8955507 | Heat exchanger | Tabraiz Ali Khan, Gregory Kenneth Reaser, Terry E. Hill | 2015-02-17 |
| 8393318 | Heat exchanger | Tabraiz Ali Khan, Gregory Kenneth Reaser, Terry E. Hill | 2013-03-12 |
| 8387935 | Two-in-one blower and electrical controls bracket | Tabraiz Ali Khan, Bennie D. Hoyt | 2013-03-05 |
| 7798451 | Three-in-one door bracket | Tabraiz Ali Khan, Gregory Kenneth Reaser | 2010-09-21 |
| 6126436 | Sound enhancing burner enclosure for furnace | Terry E. Hill | 2000-10-03 |
| 5947113 | Direct vent gas appliance with vertical and horizontal venting | Thomas J. Beal, Albert Keith Teakell, Michael E. Marusak | 1999-09-07 |
| 5673683 | Induced draft fireplace | Thomas J. Beal | 1997-10-07 |
| 5320086 | Direct vent gas appliance with vertical and horizontal venting | Thomas J. Beal, Albert Keith Teakell | 1994-06-14 |