Guanfu TU

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Wuhan, Hubei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multiple ridge diamond compact for drill bit and drill bit
- Patent number 11,725,459
- Issue date Aug 15, 2023
- KINGDREAM PUBLIC LIMITED COMPANY
- Qiang Liu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Polycrystalline diamond compact and drilling bit
- Patent number 11,391,095
- Issue date Jul 19, 2022
- KINGDREAM PUBLIC LIMITED COMPANY
- Hongping Tian
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
MULTIPLE RIDGE DIAMOND COMPACT FOR DRILL BIT AND DRILL BIT
- Publication number 20210277722
- Publication date Sep 9, 2021
- KINGDREAM PUBLIC LIMITED COMPANY
- Qiang LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID BIT WITH ROLLER CONES HAVING INSERTS
- Publication number 20210087886
- Publication date Mar 25, 2021
- KINGDREAM PUBLIC LIMITED COMPANY
- Guanfu TU
- E21 - EARTH DRILLING MINING
Information Patent Application
A HYBRID BIT WITH ROLLER CONE HAVING INSERTS
- Publication number 20200362638
- Publication date Nov 19, 2020
- KINGDREAM PUBLIC LIMITED COMPANY
- Guanfu TU
- E21 - EARTH DRILLING MINING
Information Patent Application
Polycrystalline Diamond Compact and Drilling Bit
- Publication number 20200347680
- Publication date Nov 5, 2020
- KINGDREAM PUBLIC LIMITED COMPANY
- Hongping TIAN
- E21 - EARTH DRILLING MINING