Congwei Xu

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Jiaxing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Smart speaker
- Patent number D1039511
- Issue date Aug 20, 2024
- Congwei Xu
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Switch
- Patent number D1037181
- Issue date Jul 30, 2024
- DEWERTOKIN TECHNOLOGY GROUP CO., LTD
- Congwei Xu
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Cup holder
- Patent number D937754
- Issue date Dec 7, 2021
- OKIN Refined Electric Technology Co., Ltd.
- Congwei Xu
- D12 - Transportation

Patents Applicationslast 30 patents

Information Patent Application
CONTROL BOX AND ELECTRIC FURNITURE
- Publication number 20240292960
- Publication date Sep 5, 2024
- DEWERTOKIN TECHNOLOGY GROUP CO., LTD
- Long LI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...