Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406820 | Multi-voltage contactors, controls, and related methods | Thomas P. Buescher, Gregory E. Sisk, Vincent P. Fargo, Randy T. Ruiz | 2025-09-02 |
| 12072110 | Systems and methods for checking status of a pressure transducer | John F. Broker, Lily Wan | 2024-08-27 |
| 11764014 | Multi-voltage contactors and controls and related methods | Thomas P. Buescher, Greg Sisk, Vince Fargo, Randy T. Ruiz | 2023-09-19 |
| 11635220 | Systems and methods for checking status of a pressure transducer | John F. Broker, Lily Wan | 2023-04-25 |
| 11549708 | Systems and methods for checking status of a pressure transducer | John F. Broker, Lily Wan | 2023-01-10 |
| 10209751 | Relay switch control and related methods | David L. Vie, Randy T. Ruiz | 2019-02-19 |
| 10025328 | Power stealing for a wireless-enabled thermostat | William P. Butler, David L. Perry | 2018-07-17 |
| 9870008 | Systems and methods for limiting DC voltage | Li Han, Liang Cao, Lihui Tu | 2018-01-16 |
| 9684316 | Controlling current for power stealing in climate control systems | Anil Ramachandran | 2017-06-20 |
| 9405303 | Power stealing for a wireless-enabled thermostat | William P. Butler, David L. Perry | 2016-08-02 |
| 9223324 | DC voltage-limiting circuits and electronic devices and thermostats including DC voltage-limiting circuits | Zhongliang Xu, Liang Cao, Cuikun Chu | 2015-12-29 |
| 7377120 | HVAC twinning control | — | 2008-05-27 |
| 6803544 | Ignitor distinguishing control system and method therefor | Steven DeRousse | 2004-10-12 |
| 6647346 | Compressor control system and method therefor | — | 2003-11-11 |
| 5329417 | Relay control circuit and method of operating same | David I. Kniepkamp, Dwain F. Moore, Bartholomew L. Toth | 1994-07-12 |
| 4978292 | Fuel burner control system with hot surface ignition | Donald E. Donnelly, Dwain F. Moore, Jeffrey E. Price, Bartholomew L. Toth | 1990-12-18 |
| 4925386 | Fuel burner control system with hot surface ignition | Donald E. Donnelly, Dwain F. Moore, Jeffrey E. Price, Bartholomew L. Toth | 1990-05-15 |