Yi Zhou

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Sichuan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Spiral magnetic fluid composite sealing structure of roller bit
- Patent number 12,018,529
- Issue date Jun 25, 2024
- SOUTHWEST PETROLEUM UNIVERSITY
- Yi Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Split roller cone and PDC composite drill bit
- Patent number 10,822,881
- Issue date Nov 3, 2020
- SOUTHWEST PETROLEUM UNIVERSITY
- Jialin Tian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Vertical high speed testing device for spiral seal of cone bit bearing
- Patent number 10,429,274
- Issue date Oct 1, 2019
- Southwest Petrolem Univeristy
- Yi Zhou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Horizontal high speed testing device for spiral seal of horizontal...
- Patent number 10,393,615
- Issue date Aug 27, 2019
- Southwest Petroleum University
- Yi Zhou
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
SPIRAL MAGNETIC FLUID COMPOSITE SEALING STRUCTURE OF ROLLER BIT
- Publication number 20230374864
- Publication date Nov 23, 2023
- SOUTHWEST PETROLEUM UNIVERSITY
- Yi ZHOU
- E21 - EARTH DRILLING MINING
Information Patent Application
Split Roller Cone and PDC Composite Drill Bit
- Publication number 20190360274
- Publication date Nov 28, 2019
- SOUTHWEST PETROLEUM UNIVERSITY
- Jialin TIAN
- E21 - EARTH DRILLING MINING
Information Patent Application
VERTICAL HIGH SPEED TESTING DEVICE FOR SPIRAL SEAL OF CONE BIT BEARING
- Publication number 20180348090
- Publication date Dec 6, 2018
- Southwest Petroleum University
- Yi Zhou
- E21 - EARTH DRILLING MINING
Information Patent Application
HORIZONTAL HIGH SPEED TESTING DEVICE FOR SPIRAL SEAL OF HORIZONTAL...
- Publication number 20180348082
- Publication date Dec 6, 2018
- Southwest Petroleum University
- Yi Zhou
- E21 - EARTH DRILLING MINING