Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794505 | Spring seat for an internal valve | Li Li, Fei Ji, Shao Lijing | 2020-10-06 |
| 10767788 | Valve body having primary and secondary stem guides | FeiFei Ji, Li Li | 2020-09-08 |
| 10641404 | Spring seat for an internal valve | FeiFei Ji, Li Li | 2020-05-05 |
| 10563786 | Internal valve system with valve inlet positioned relative to container feed inlet | Li Li, FeiFei Ji | 2020-02-18 |