Guodong YI

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Multi-impeller passive-rotating-stirring-type rotary drilling rig f...
- Patent number 11,692,401
- Issue date Jul 4, 2023
- Zhejiang University
- Guodong Yi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable-diameter full-support mandrel structure with slider-type c...
- Patent number 11,364,529
- Issue date Jun 21, 2022
- Zhejiang University
- Shuyou Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Elastic double-support variable-diameter mandrel for bending of air...
- Patent number 11,331,709
- Issue date May 17, 2022
- Zhejiang University
- Shuyou Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Multi-impeller passive-rotating-stirring-type rotary drilling rig f...
- Publication number 20220333444
- Publication date Oct 20, 2022
- ZHEJIANG UNIVERSITY
- Guodong Yi
- E21 - EARTH DRILLING MINING
Information Patent Application
ELASTIC DOUBLE-SUPPORT VARIABLE-DIAMETER MANDREL FOR BENDING OF AIR...
- Publication number 20220143667
- Publication date May 12, 2022
- Zhejiang University
- Shuyou ZHANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
VARIABLE-DIAMETER FULL-SUPPORT MANDREL STRUCTURE WITH SLIDER-TYPE C...
- Publication number 20220143668
- Publication date May 12, 2022
- Zhejiang University
- Shuyou ZHANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...