Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648574 | Top entry ball valve | Shuguang Chen, Xiaobing Deng | 2020-05-12 |
| 7001565 | Seals | Nicholas Derek Quarmby | 2006-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648574 | Top entry ball valve | Shuguang Chen, Xiaobing Deng | 2020-05-12 |
| 7001565 | Seals | Nicholas Derek Quarmby | 2006-02-21 |