Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8662885 | Method and apparatus for emissions detection in a combustion appliance | Marc W. Roland | 2014-03-04 |
| 6572363 | System and method for detecting flame rollout in a furnace | Kevin D. Thompson | 2003-06-03 |
| 6552285 | Mount for disc switch | Merle D. Sears, William Bruce Sutherlin | 2003-04-22 |
| 6261662 | Molded element containing a horizontally disposed bore | — | 2001-07-17 |
| 5791332 | Variable speed inducer motor control method | Kevin D. Thompson | 1998-08-11 |
| D386577 | Masonry chimney adapter | Paul M. Haydock | 1997-11-18 |
| 5573180 | Protective thermostat | Laurie L. Werbowsky, William F. Van Ostrand, Peter G. Pierret | 1996-11-12 |
| 5522541 | Method for proving furnace high-heat pressure switch | Ninev Karl Zia, Daniel J. Dempsey | 1996-06-04 |
| 5379752 | Low speed interlock for a two stage two speed furnace | Ninev Karl Zia, Daniel J. Dempsey | 1995-01-10 |