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Zhongxia Liu

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  • Zhengzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Systems and methods for joining components by riveting
    • Patent number 10,576,532
    • Issue date Mar 3, 2020
    • GM Global Technology Operations LLC
    • Pei-chung Wang
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Systems and methods for ultrasonic welding
    • Patent number 10,105,789
    • Issue date Oct 23, 2018
    • GM Global Technology Operations LLC
    • Pei-chung Wang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Systems and methods for ultrasonic welding
    • Patent number 10,105,788
    • Issue date Oct 23, 2018
    • GM Global Technology Operations LLC
    • Pei-chung Wang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Systems and methods for ultrasonic welding
    • Patent number 10,105,787
    • Issue date Oct 23, 2018
    • GM Global Technology Operations LLC
    • Pei-chung Wang
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents