LU; Yiqiang
Patent Applications and Registrations
Patent applications and USPTO patent grants for LU; Yiqiang.The latest application filed is for "control mechanism of core drilling rig".
- LU; Yiqiang - Chengdu Sichuan
| Patent | Date |
|---|---|
| Drilling Fluid Channel Structure Of Core Drilling Rig App 20220213736 - GAO; Mingzhong ; et al. | 2022-07-07 |
| Coring Device App 20220213751 - XIE; Heping ; et al. | 2022-07-07 |
| Driving System For Core Drilling Rig App 20220213745 - GAO; Mingzhong ; et al. | 2022-07-07 |
| Drilling Control Mechanism Of Core Drilling Rig App 20220213749 - GAO; Mingzhong ; et al. | 2022-07-07 |
| Coring Drill Tool Driving Structure App 20220213746 - XIE; Heping ; et al. | 2022-07-07 |
| Core Barrel Sealing Structure Capable Of Increasing Sealing-specific Pressure App 20220213750 - XIE; Heping ; et al. | 2022-07-07 |
| Drilling Mechanism Of Coring Drilling Rig App 20220213739 - GAO; Mingzhong ; et al. | 2022-07-07 |
| Control Mechanism Of Core Drilling Rig App 20220213747 - GAO; Mingzhong ; et al. | 2022-07-07 |
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