Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10317261 | Systems and methods for controlling flow rate using differential pressure measurements | Kirk H. Drees | 2019-06-11 |
| 9696073 | Fault detection and diagnostic system for a refrigeration circuit | Andrew J. Boettcher, Saman Beyhaghi | 2017-07-04 |
| 9606520 | Automated fault detection and diagnostics in a building management system | Kirk H. Drees, Michael J. Wenzel | 2017-03-28 |
| 9217592 | Method and apparatus for variable refrigerant chiller operation | Robert D. Turney, Justin P. Kauffman, Kirk H. Drees, Brett M. Lenhardt | 2015-12-22 |