Shuowei LI

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ventilation fan with synchronous butterfly shutter for animal building
- Patent number 11,690,351
- Issue date Jul 4, 2023
- The GSI Group LLC
- Yu Shao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE IMPELLER FOR AXIAL FLOW FAN
- Publication number 20230323893
- Publication date Oct 12, 2023
- The GSI Group (Shanghai) Co., Ltd
- Yu Shao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VENTILATION FAN WITH SYNCHRONOUS BUTTERFLY SHUTTER FOR ANIMAL BUILDING
- Publication number 20210144951
- Publication date May 20, 2021
- THE GSI GROUP, LLC
- Yu Shao
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...