Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345121 | All-metal dissolvable ball seat for self-compensating fracturing | Xiaohua Wang, Shan Xu, Zhou Zhang, Jianhua Zhou, Liang Ma +1 more | 2025-07-01 |
| 11835567 | Method for assembling ultrahigh-frequency spring probe test assembly | Hongyi Cai | 2023-12-05 |