Yongqiang wu

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Zhongshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Fan with synchronously switch for rotation directions
- Patent number 11,408,431
- Issue date Aug 9, 2022
- Runming Guo
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
FAN
- Publication number 20210199119
- Publication date Jul 1, 2021
- GD MIDEA ENVIRONMENT APPLIANCES MFG CO., LTD.
- Runming GUO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...