Zhenhua Qi

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Wuxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Opening-and-closing type heater and wind generator shaft forging pr...
- Patent number 11,097,335
- Issue date Aug 24, 2021
- Jiangyin Zenkung Forging Co., Ltd.
- Feibo Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hollow forging process for main shaft of large wind turbine generator
- Patent number 10,316,384
- Issue date Jun 11, 2019
- Jiangyin Zenkung Forging Co., Ltd.
- Zhenhua Qi
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Opening-and-Closing Type Heater and Wind Generator Shaft Forging Pr...
- Publication number 20180345355
- Publication date Dec 6, 2018
- Jiangyin Zenkung Forging Co., Ltd.
- Feibo Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Hollow Forging Process for Main Shaft of Large Wind Turbine Generator
- Publication number 20180057904
- Publication date Mar 1, 2018
- Jiangyin Zenkung Forging Co., Ltd.
- Zhenhua Qi
- C21 - METALLURGY OF IRON