Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11092151 | System and method for controlling a system that includes fixed speed and variable speed compressors | John Zhou, Roger J. Voorhis, Caleb Ryan Joiner, James P. Crolius, William G. Hansen | 2021-08-17 |
| 9599118 | System and method for controlling a system that includes fixed speed and variable speed compressors | John Zhou, Roger J. Voorhis, Caleb Ryan Joiner, James P. Crolius, William G. Hansen | 2017-03-21 |
| D331558 | Rotating trailer hitch | — | 1992-12-08 |