Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267532 | Thermostat with power stealing | Hassan B. Kadah, Eric Christopher Wood, Michael James Cariseo | 2019-04-23 |
| 9891602 | DC thermostat with latching relay repulsing | Weidong Pan, Michael P. Muench | 2018-02-13 |
| 9734771 | Touch-sensitive flat-panel control and interface | Hollis Jordan Gmyr, Weidong Pan, James H. Ritchie, Eric Christopher Wood | 2017-08-15 |
| 9500366 | Furnace control with safety circuit and non-volatile memory | Weidong Pan, Benjamin Avery Freer | 2016-11-22 |
| 9501050 | DC thermostat with low battery response | Weidong Pan, Michael P. Muench, Eric Christopher Wood | 2016-11-22 |
| 9465407 | Controller with dynamically indicated input devices | Weidong Pan, Hollis Jordan Gmyr, James H. Ritchie, Eric Christopher Wood, Benjamin Avery Freer +2 more | 2016-10-11 |
| D737155 | Touch panel wall thermostat | Hollis Jordan Gmyr, James H. Ritchie, Eric Christopher Wood, Weidong Pan | 2015-08-25 |
| 8502627 | Relay with stair-structured pole faces | Ayham Ahmad, Hassan B. Kadah | 2013-08-06 |
| 8093858 | AC line voltage conditioner and controller | Hassan B. Kadah | 2012-01-10 |
| 7804270 | Motor start circuit with capacitive discharge protection | — | 2010-09-28 |
| 6753670 | Universal energy regulating controller circuit | — | 2004-06-22 |
| 6710573 | Method of controlling pulsed AC power | — | 2004-03-23 |
| 6369544 | Furnace and air conditioner blower motor speed control | — | 2002-04-09 |
| 6324046 | Actuator circuit for dual-solenoid gas valve | — | 2001-11-27 |
| 6320348 | Time rate of change motor start circuit | — | 2001-11-20 |
| 6222719 | Ignition boost and rectification flame detection circuit | — | 2001-04-24 |
| 6118239 | Speed control drive circuit for blower motor | — | 2000-09-12 |
| 5930104 | PWM relay actuator circuit | Hassan B. Kadah, Benjamin V. Morrow | 1999-07-27 |
| 5917691 | Fail-safe valve relay driver circuit for gas burners | — | 1999-06-29 |
| 5889645 | Energy preservation and transfer mechanism | Andrew M. Nguyen | 1999-03-30 |
| 5863194 | Interrogation of multiple switch conditions | Hassan B. Kadah | 1999-01-26 |
| 5699218 | Solid state/electromechanical hybrid relay | — | 1997-12-16 |
| 5589753 | Rate effect motor start circuit | Benjamin V. Morrow | 1996-12-31 |
| 5337206 | Three phase power monitor | Andrew M. Nguyen | 1994-08-09 |
| 4991049 | Anti-short-cycle circuit | — | 1991-02-05 |