Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7707844 | Thermostatic expansion valve with bypass passage | David B. Nestler | 2010-05-04 |
| 7434597 | Thermostatic expansion valve with check valve | Li Huiging, Ronald L. Campbell | 2008-10-14 |