Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11125554 | Reference-level gear helix artifact | Siying Ling, Ming Ling, Huiyang ZHANG, Xiaodong Wang | 2021-09-21 |
| 11090743 | Mutual-lapping device for improving gear machining accuracy and the mutual-lapping method thereof | Siying Ling, Xunlian Wang, Ming Ling, Huiyang ZHANG, Xiaodong Wang +1 more | 2021-08-17 |