Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11035357 | System and method for controlling a system that includes variable speed compressor | John Zhou, Roger J. Voorhis | 2021-06-15 |
| 10921011 | Systems and methods for efficient airflow control in heating, ventilation, air conditioning, and refrigeration systems | James P. Crolius, Xin Li | 2021-02-16 |
| 10775069 | HVAC system and corresponding methods of controlling HVAC fan and coil capacity | John Zhou | 2020-09-15 |
| 10197300 | Methods of controlling fan capacity and coil capacity in HVAC systems | John Zhou | 2019-02-05 |
| 9989943 | HVAC systems and controls | Scott A. Munns, Lee L. Sibik | 2018-06-05 |
| 9823005 | Methods and systems for detecting and recovering from control instability caused by impeller stall | Lee L. Sibik | 2017-11-21 |
| 9777724 | System and method for controlling a system that includes variable speed compressor | John Zhou, Roger J. Voorhis | 2017-10-03 |
| 9651321 | Methods of controlling fan capacity and coil capacity in HVAC systems | John Zhou | 2017-05-16 |
| 9057532 | Return fan control system and method | — | 2015-06-16 |
| 8326464 | Return fan control system and method | — | 2012-12-04 |
| 5915473 | Integrated humidity and temperature controller | Radhakrishna Ganesh, David M. Foye | 1999-06-29 |
| 5138844 | Condenser fan control system for use with variable capacity compressor | Dennis R. Dorman, Robert L. Oltman, Merle A. Renaud, Paul C. Rentmeester | 1992-08-18 |
| 5027608 | Method and apparatus for determining full load condition in a screw compressor | Paul C. Rentmeester, Michael W. Murry, Robert E. Krocker | 1991-07-02 |
| 5000009 | Method for controlling an electronic expansion valve in refrigeration system | — | 1991-03-19 |