Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320152 | Code wheel combination lock | Yijian Li | 2025-06-03 |
| 12077987 | Password lock | Shaojian Lin | 2024-09-03 |
| 11814872 | Automatic messy code character wheel coded lock | Guanghui Luan | 2023-11-14 |
| 10174521 | Disc tumbler lock assembly | — | 2019-01-08 |
| 9856677 | Cylinder lock assembly | — | 2018-01-02 |
| 9422744 | Burglarproof primary-secondary row sheet lock | — | 2016-08-23 |