Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103550 | Systems and methods for controlling a water heater | Jeffrey N. Arensmeier, Edward B. Evans, John S. Haefner, G. Scott Vogel | 2015-08-11 |
| 8689572 | Climate control system including responsive controllers | Edward B. Evans, William P. Butler, Steven L. Carey, John R. Sartain, Ron Miles +1 more | 2014-04-08 |
| 8176881 | Systems and methods for controlling a water heater | Jeffrey N. Arensmeier, Edward B. Evans, John S. Haefner, G. Scott Vogel | 2012-05-15 |
| 7854607 | Ignition control with integral carbon monoxide sensor | Thomas J. Fredricks | 2010-12-21 |
| 7581946 | Ignition control with integral carbon monoxide sensor | Thomas J. Fredricks | 2009-09-01 |
| 7516720 | Flammable vapor sensing control for a water heater | Thomas P. Buescher, Michael Somorov | 2009-04-14 |
| 7497386 | Apparatus and methods for operating a gas valve | Thomas J. Fredricks | 2009-03-03 |
| 7469840 | Controller for a fuel fired water heating application | G. Scott Vogel, Dennis M. Rippelmeyer | 2008-12-30 |
| 7434544 | Water heater with dry tank or sediment detection feature | Jeffrey N. Arensmeier, Herbert G. Ray | 2008-10-14 |
| 7380523 | Control for a fuel-fired water heating appliance having variable heating rates | — | 2008-06-03 |
| 7112059 | Apparatus and method for shutting down fuel fired appliance | — | 2006-09-26 |
| 7112304 | Robust chemiresistor sensor | Jared Starling, Prasad S. Khadkikar, Robert Sterken, Charles L. Volz, Edward J. Blok | 2006-09-26 |
| 7083408 | Apparatus and method for shutting down a fuel fired appliance | — | 2006-08-01 |
| 7032542 | Apparatus and methods for controlling a water heater | Thomas P. Buescher, Michael Somorov | 2006-04-25 |
| 6918756 | System and methods for modulating gas input to a gas burner | Thomas J. Fredricks, Russell T. Shoemaker | 2005-07-19 |
| 6908300 | Apparatus and method for shutting down a fuel fired appliance | — | 2005-06-21 |
| 6749423 | System and methods for modulating gas input to a gas burner | Thomas J. Fredricks, Russell T. Shoemaker | 2004-06-15 |
| 6732677 | Bracket for water heater | James M. Ferguson | 2004-05-11 |
| 5169301 | Control system for gas fired heating apparatus using radiant heat sense | John S. Haefner, David Heritage | 1992-12-08 |
| 4978292 | Fuel burner control system with hot surface ignition | Bradley C. Zikes, Dwain F. Moore, Jeffrey E. Price, Bartholomew L. Toth | 1990-12-18 |
| 4925386 | Fuel burner control system with hot surface ignition | Bradley C. Zikes, Dwain F. Moore, Jeffrey E. Price, Bartholomew L. Toth | 1990-05-15 |
| 4898229 | Thermostat with integral means for detecting out-of-phase connection of a two-transformer power source | Bernard T. Brown, Bartholomew L. Toth | 1990-02-06 |
| 4406612 | Oil burner primary control for interrupted ignition system | — | 1983-09-27 |
| 4382433 | Combined humidistat and electronic air flow responsive switch | George E. Hess, Robert E. Reinwart | 1983-05-10 |
| 4370125 | Control system for blue-flame oil burner | Francis J. Maney | 1983-01-25 |