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Foshan, CN
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Patents Grants
last 30 patents
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Patent Grant
Diffuser, air supply device, and vacuum cleaning equipment
Patent number
12,241,479
Issue date
Mar 4, 2025
GUANGDONG WELLING MOTOR MANUFACTURING CO., LTD.
Wei Zhang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
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Patent Application
DIFFUSER ASSEMBLY, ELECTRIC FAN, AND CLEANING DEVICE
Publication number
20240200563
Publication date
Jun 20, 2024
GUANGDONG WELLING MOTOR MANUFACTURING CO., LTD.
Yi JIN
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
DIFFUSER, AIR SUPPLY DEVICE, AND VACUUM CLEANING EQUIPMENT
Publication number
20220290689
Publication date
Sep 15, 2022
GUANGDONG WELLING MOTOR MANUFACTURING CO., LTD.
Wei ZHANG
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...