Weihua QIAN

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
Wind turbine planet gear shaft and planet gear structure
- Publication number 20240384707
- Publication date Nov 21, 2024
- SKF (China) Co Ltd
- Jing ZHOU
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
HEAT TREATMENT METHOD OF BEARING RING
- Publication number 20240141449
- Publication date May 2, 2024
- Aktiebolaget SKF
- Yunfeng SONG
- C21 - METALLURGY OF IRON