Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041574 | Jig for assembling fully welded ball valve | Joungdae Seo, Youn Gil Jung | 2021-06-22 |
| 10571353 | Collision pressure sensor having an elastic pressing unit | Sangdo Kim | 2020-02-25 |
| 9995403 | Ball valve with dual sealing structure | Joungdae Seo, Youn Gil Jung | 2018-06-12 |