Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12085480 | Shallow-buried leakage-proof pipeline and method for operating same | Jifeng YUAN, Shousong Guo, Wenlong Shen, Faqiang Su | 2024-09-10 |
| 11041385 | Mining hydraulic constant-resistance deforming and automatic pressure relieving anchor rod and working method thereof | Longfei Nan, Yingming Wen, Arshad Faizan, Zhiqiang Han | 2021-06-22 |
| 10914122 | Liquid injection type reamer bit | Deyi Nan, Faqiang Su, Bingjian Wang | 2021-02-09 |
| 10633927 | Internal reamer for anchor shaft hole for mining | Mingyang Song, Saibo Kong | 2020-04-28 |