XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD..The latest application filed is for "push-pull force control method for horizontal directional drilling machine and horizontal directional drilling machine".
- XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD. - Xuzhou CN
- XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD - Xuzhou CN
- XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD. - Xuzhou, Jiangsu CN
| Patent | Date |
|---|---|
| Double-walled drill pipe and drilling machine Grant 11,268,328 - Yang , et al. March 8, 2 | 2022-03-08 |
| Push-pull Force Control Method For Horizontal Directional Drilling Machine And Horizontal Directional Drilling Machine App 20220003109 - ZHANG; Li ; et al. | 2022-01-06 |
| Double-walled Drill Pipe And Drilling Machine App 20210310315 - YANG; Ming ; et al. | 2021-10-07 |
| Detachable combined-type drive key for rotary drilling rig power head Grant 10,041,298 - Li , et al. August 7, 2 | 2018-08-07 |
| Detachable Combined-type Drive Key For Rotary Drilling Rig Power Head App 20160032652 - LI; XIAOLIANG ; et al. | 2016-02-04 |
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