Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398921 | Heat exchanger baffle assembly with horizontal gap | Pratap Kumar DVS, Asad M. Sardar | 2025-08-26 |
| 10006662 | Condensing heat exchanger fins with enhanced airflow | Larry D. Rieke, Mathew S. Vargo | 2018-06-26 |
| 9631877 | Furnace heat exchanger coupling | Larry D. Rieke, Stephen L. Pulley, Nitu Gupta, Scott A. Beck | 2017-04-25 |
| 9623471 | Furnace heat exchanger attachment | Stephen L. Pulley, James J. Mitchum, John A. Wade, Stephen R. Carlisle | 2017-04-18 |
| 8826901 | Primary heat exchanger design for condensing gas furnace | Nitu Gupta | 2014-09-09 |
| 7086857 | Use of thermal insulation for noise abatement | Heng-Yi Lai, Sivakumar Gopalnarayanan | 2006-08-08 |
| 6502909 | Media filter cabinet for gas furnace | Robert C. Swilik, Jr., Robert Lang, Rex R. Mills | 2003-01-07 |
| 5799646 | Curved inshot burner and method for vent-within-casing furnace | Ninev Karl Zia, William J. Roy | 1998-09-01 |
| 5775318 | Forced air condensing furnace and heat exchanger manifold therefor | Gerald K. Gable | 1998-07-07 |
| D386577 | Masonry chimney adapter | Hall Virgil, Jr. | 1997-11-18 |
| 5333597 | Abatement member and method for inhibiting formation of oxides of nitrogen | Michael E. Kirkpatrick | 1994-08-02 |