Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12307641 | Half-cast mark identification and damaged flatness evaluation and classification method for blastholes in tunnel blasting | Jin Yu, Wei H. Yao, Yanyan CAI, Shiyu Liu | 2025-05-20 |
| D985197 | Air nozzle for hair dryer | — | 2023-05-02 |
| 9979721 | Method, server, client and system for verifying verification codes | Jinxing Liu, Jie Tu, Guoping Yan, Jie Zhang, Yuanhui Xie | 2018-05-22 |