Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9476515 | Check valve housing | Feng Feng | 2016-10-25 |
| 9464724 | Check valve flapper | Feng Feng | 2016-10-11 |
| 9347573 | Check valve with reduced opening speed | Feng Feng | 2016-05-24 |
| 9273795 | Reverse flow relief valve | Scott W. Simpson, John M. Dehais | 2016-03-01 |