Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429266 | Building system with automatic chiller anti-surge control | Liming Yang, Thomas M. Seneczko, Justin P. Kauffman | 2025-09-30 |
| 12339047 | System and method for operation of variable geometry diffuser as check valve | Bryson Lee Sheaffer, Jordan Q. Steiner, Paul W. Snell | 2025-06-24 |
| 11920843 | Chiller suction flow limiting with input power or motor current control | Shimin Sheng, Xiuping Su, Shenglong Wang, Mark Robinson Bodell, II, Justin P. Kauffman | 2024-03-05 |
| 11774154 | Systems and methods for controlling a refrigeration system | William L. Kopko, Stephen M. Zardus, Israel Federman, Todd Kwao-vovo | 2023-10-03 |
| 11732942 | Building system with automatic chiller anti-surge control | Liming Yang, Thomas M. Seneczko, Justin P. Kauffman | 2023-08-22 |
| 11686511 | Motor temperature control technique with temperature override | — | 2023-06-27 |
| 11635238 | Systems and methods for controlling a purge unit of a vapor compression system | David A. Bradshaw, Andrew M. Welch, Calvin Andrew Nelson | 2023-04-25 |
| 11499768 | Chiller suction flow limiting with input power or motor current control | Shimin Sheng, Xiuping Su, Shenglong Wang, Mark Robinson Bodell, II, Justin P. Kauffman | 2022-11-15 |
| 11480373 | Variable speed drive control for chiller coast-through | Mark Robinson Bodell, II, Curtis G. Rager, John C. Hansen, Dean K. Norbeck | 2022-10-25 |
| 11466912 | Activation and deactivation of a purge unit of a vapor compression system based at least in part on conditions within a condenser of the vapor compression system | David A. Bradshaw, Andrew M. Welch, Calvin Andrew Nelson | 2022-10-11 |
| 11378088 | Control system for centrifugal compressor | Steven T. Sommer, Florin Iancu, John Trevino, Jr., Robert E. Stabley, Gregory K. Beaverson +3 more | 2022-07-05 |
| 11359847 | Systems and methods for controlling a refrigeration system | William L. Kopko, Stephen M. Zardus, Israel Federman, Todd Kwao-vovo | 2022-06-14 |
| 11340002 | Expansion device control system for heating, ventilation, and air conditioning (HVAC) unit | Gail Elaine Lindberg, Carlos Uribe | 2022-05-24 |
| 11162726 | Liquid detection system | Brian Thomas Gallus, Justin P. Kauffman | 2021-11-02 |
| 11073319 | Capacity control technique with motor temperature override | — | 2021-07-27 |
| 11035600 | Capacity control for chillers having screw compressors | Gail Elaine Lindberg | 2021-06-15 |
| 10782057 | Motor temperature control technique with temperature override | — | 2020-09-22 |
| 10564615 | Building management system with dynamic point list | Christopher R. Amundson, David A. Kondrad, Kraig D. Ritmanich, Aron M. Seiler, Jameel Ahmed +4 more | 2020-02-18 |
| 10458690 | Control system | — | 2019-10-29 |
| 10337781 | Variable speed drive control for chiller coast-through | Mark Robinson Bodell, II, Curtis G. Rager, John C. Hansen, Dean K. Norbeck | 2019-07-02 |
| 9574805 | Motor housing temperature control system | Liming Yang | 2017-02-21 |
| 8826680 | Pressure ratio unload logic for a compressor | Martin L. Doll, Jr., Glenn Eugene Nickey | 2014-09-09 |
| 8726678 | Controllers and methods for providing computerized generation and use of a three dimensional surge map for control of chillers | Robert D. Turney, Kirk H. Drees, Brett M. Lenhardt | 2014-05-20 |
| 8079227 | Reduced compressor capacity controls | — | 2011-12-20 |
| 7895852 | System and method for controlling an economizer circuit | Frank Highland Hill, IV, Glenn Eugene Nickey | 2011-03-01 |