Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737552 | Vapor injection heat pump and control method | Jing He, Loren John Lohmeyer, III, Manfred Koberstein, William Stewart Johnston | 2020-08-11 |
| 10697681 | Heat pump system with multi-way-position valve | Jing He, Loren John Lohmeyer, III, William Stewart Johnston | 2020-06-30 |