Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105529 | Multi-zone indoor climate control and a method of using the same | Douglas W. Durnil | 2021-08-31 |
| 11054160 | Simultaneous heating and cooling of multiple zones | Bradley D. Powell | 2021-07-06 |
| 10626088 | Determining degradation of 3,4-diaminopyridine | Guy A. Schiehser, Wenyi Zhao | 2020-04-21 |
| 10619903 | Discharge pressure calculation from torque in an HVAC system | Don A. Schuster, Adeyemi A. Adepetu | 2020-04-14 |
| 10473344 | Electric re-heat dehumidification | Chris Puranen | 2019-11-12 |
| 10451296 | Environmental control system with anti-windup structure | Junqiang Fan, Futao Zhao, Stevo Mijanovic | 2019-10-22 |
| 10094860 | System and method for estimating energy consumption of an HVAC system | Daniel J. Dempsey | 2018-10-09 |
| 9885508 | Discharge pressure calculation from torque in an HVAC system | Don A. Schuster, Adeyemi A. Adepetu | 2018-02-06 |
| 9803883 | Environmental control system | Junqiang Fan, Futao Zhao, Stevo Mijanovic | 2017-10-31 |
| 9783497 | Determining degradation of 3,4-diaminopyridine | Guy A. Schiehser, Wenyi Zhao | 2017-10-10 |
| 9759465 | Air conditioner self-charging and charge monitoring system | Don A. Schuster, Adeyemi A. Adepetu, Sathish R. Das | 2017-09-12 |
| 9501071 | Method and apparatus for establishing a set back temperature for an environmental control system | — | 2016-11-22 |
| 9068771 | Method for automatically adjusting the defrost interval in a heat pump system | — | 2015-06-30 |
| 8838277 | Systems and methods involving heating and cooling system control | Don A. Schuster, Adeyemi A. Adeptu, Sathish R. Das | 2014-09-16 |
| 8738185 | Altitude adjustment for heating, ventilating and air conditioning systems | Chris Puranen, Eugene L. Mills, Jr. | 2014-05-27 |
| 8037700 | Air conditioning system for low ambient cooling | Eugene L. Mills, Jr., Lynn A. Turner | 2011-10-18 |
| 7854388 | Method of verifying proper installation of a zoned HVAC system | Christopher M. Puranen | 2010-12-21 |
| 7836707 | Methods for detecting and responding to freezing coils in HVAC systems | Chris Puranen | 2010-11-23 |
| 7813885 | Method and apparatus for measurement of AC voltages in an HVAC system | William F. Van Ostrand | 2010-10-12 |
| 7784290 | Refrigeration systems having diagnostic devices | — | 2010-08-31 |
| 7775452 | Serial communicating HVAC system | Jerry Ryan | 2010-08-17 |
| 7679307 | Electronic method for starting a compressor | Eugene L. Mills, Jr., Lynn A. Turner | 2010-03-16 |
| 7640077 | Detection of clogged filter in an HVAC system | — | 2009-12-29 |
| 7615726 | Identification of electric heater capacity | Eugene L. Mills, Jr., Jerry Ryan | 2009-11-10 |
| 7377450 | Control of multi-zone and multi-stage HVAC system | William F. Van Ostrand, Laurie L. Werbowsky | 2008-05-27 |