Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352479 | Parallel cylinder type check valve | Jae Gu Yang, Jai Youl YANG, Ji Yang | 2019-07-16 |
| 10253895 | Check valve for preventing slam and water hammer | Ji Yang | 2019-04-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352479 | Parallel cylinder type check valve | Jae Gu Yang, Jai Youl YANG, Ji Yang | 2019-07-16 |
| 10253895 | Check valve for preventing slam and water hammer | Ji Yang | 2019-04-09 |