Patents by Inventor Chun-Chiang Liu

Chun-Chiang Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • COMPACT POWERED WRENCH
    Publication number: 20220266439
    Abstract: A wrench including a tool head including a tool output member. The wrench also includes a motor configured to selectively drive the output member and a battery assembly. The battery assembly includes a battery cell and the battery cell provides power to the motor. A support tube surrounds at least a portion of the motor and a portion of the battery assembly. A handle surrounds the support tube.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 25, 2022
    Inventors: Nicholas E. Achterberg, Axel Bela Lehovetzki, Thomas S. Wolf, Phillip O. Reed, Chun-Chiang Liu