Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11346469 | Non-penetrating multi-layer continuous hose and a preparation method thereof | Chundong GU, Donghui Wang, Wenlin SHA, Zhiyong Sha | 2022-05-31 |
| 10808463 | Fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof | Jinma Wang, Donghui Wang, Shanhong Zhou | 2020-10-20 |
| 9995092 | Fracturing liquid delivery hose for recovery of shale oil and gas, and manufacturing method and co-extrusion mold thereof | Jinma Wang, Donghui Wang, Shanhong Zhou | 2018-06-12 |
| D754526 | Retractable hose reel system | Tao Zhou, Donghui Wang, Shanhong Zhou | 2016-04-26 |