Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161174 | Method and apparatus for conveying sand molds | — | 2021-11-02 |
| 11014146 | Method and apparatus for forming sand molds via top and bottom pneumatic sand filling perpendicular to the pattern plate | Huang Lvting | 2021-05-25 |