Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10191501 | Systems and methods for power stealing | Xiaobing Zhu | 2019-01-29 |
| 7638739 | Thermostat having a discardable protective cover | William D. Rhodes | 2009-12-29 |
| 7593212 | Relay drive matrix | — | 2009-09-22 |
| 7537171 | Thermostat control system providing power saving transmissions | Carl J. Mueller | 2009-05-26 |
| 7402780 | Thermostat for a heat pump or conventional heating system | Carl J. Mueller, John M. Sartain | 2008-07-22 |
| 6729390 | Control for heat pump with auxiliary heat source | Frank A. Albanello, David L. Perry, Dennis Snow | 2004-05-04 |
| 6639503 | Methods and apparatus for mounting a bimetal coil in a thermostat | William D. Rhodes | 2003-10-28 |
| 6622926 | Thermostat with air conditioning load management feature | John M. Sartain | 2003-09-23 |
| 6513723 | Method and apparatus for automatically transmitting temperature information to a thermostat | Carl J. Mueller, Frank A. Albanello | 2003-02-04 |
| 6449533 | Thermostat and method for controlling an HVAC system with remote temperature sensor | Carl J. Mueller | 2002-09-10 |
| 6435418 | Thermostat having an illuminated keypad and display | David L. Perry, William D. Rhodes | 2002-08-20 |
| 6318639 | Thermostat with temporary fan on function | — | 2001-11-20 |
| 6315211 | Hardwired or battery powered digital thermostat | John M. Sartain, Carl J. Mueller | 2001-11-13 |
| 6164374 | Thermostat having a multiple color signal capability with single indicator opening | William D. Rhodes | 2000-12-26 |
| 6119950 | Thermostat with load relay cycling feature | Frank A. Albanello, Scott J. Brunk, Carl J. Mueller, David L. Perry | 2000-09-19 |
| 6089310 | Thermostat with load activation detection feature | Ronald J. Holohan, Jr. | 2000-07-18 |
| 5403182 | Control system for gas fired heating apparatus using double-throw radiant heat sensing switch | William P. Butler | 1995-04-04 |
| 5329417 | Relay control circuit and method of operating same | David I. Kniepkamp, Dwain F. Moore, Bradley C. Zikes | 1994-07-12 |
| 5127464 | Thermostat providing electrical isolation therein between connected heating and cooling transformers | William P. Butler | 1992-07-07 |
| 4978292 | Fuel burner control system with hot surface ignition | Donald E. Donnelly, Bradley C. Zikes, Dwain F. Moore, Jeffrey E. Price | 1990-12-18 |
| 4925386 | Fuel burner control system with hot surface ignition | Donald E. Donnelly, Bradley C. Zikes, Dwain F. Moore, Jeffrey E. Price | 1990-05-15 |
| 4898229 | Thermostat with integral means for detecting out-of-phase connection of a two-transformer power source | Bernard T. Brown, Donald E. Donnelly | 1990-02-06 |
| 4252250 | Multiple-beam optical sensing system for an article vendor | — | 1981-02-24 |