TREA

Longdong Chen

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hand-held underwater aircraft
    • Patent number 11,498,649
    • Issue date Nov 15, 2022
    • BOYA GONGDAO (Beijing) ROBOT Technology Co., Ltd.
    • Minglei Xiong
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPACT EGG-SHAPED PROPELLER
    • Publication number 20230193760
    • Publication date Jun 22, 2023
    • BOYA GONGDAO (BEIJING) ROBOT TECHNOLOGY Co., Ltd.
    • Minglei XIONG
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Hand-Held Underwater Aircraft
    • Publication number 20210347454
    • Publication date Nov 11, 2021
    • BOYA GONGDAO (BEIJING) ROBOT TECHNOLOGY Co., Ltd.
    • Minglei Xiong
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT