Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392002 | Continuous stirring transmission mechanism for tempering furnace workpiece transmission and transmission method | Rongfu Xu, Yunshan Zhang, Peng Qi, Zhenmei Chu, Yihao Ma +1 more | 2025-08-19 |
| 11466334 | Nitrogen-containing microalloyed spring steel and preparation method thereof | Zhenghong Wang | 2022-10-11 |
| 7290758 | Leaf spring assembly with retaining device | Melvin Svendsen, Donald Stoesz, Luc Jarry, Marty Boll | 2007-11-06 |