Patents by Inventor Ke-Qian WU

Ke-Qian WU 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).

  • Ambidextrous vernier caliper
    Patent number: 8966779
    Abstract: An ambidextrous vernier caliper includes a main ruler and a vernier having a slide channel in which the main ruler is inserted. As each of the front and back sides of the main ruler has a graduated layer, and each of the front and back sides of the vernier has a scaled layer, the vernier caliper is convenient to use by left-handed as well as right-handed people.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: March 3, 2015
    Assignee: Tec One International Co., Ltd.
    Inventors: Heng-Xiang Zhang, Ke-Qian Wu, Zhe-Yan Pan
  • AMBIDEXTROUS VERNIER CALIPER
    Publication number: 20130227854
    Abstract: An ambidextrous vernier caliper includes a main ruler and a vernier having a slide channel in which the main ruler is inserted. As each of the front and back sides of the main ruler has a graduated layer, and each of the front and back sides of the vernier has a scaled layer, the vernier caliper is convenient to use by left-handed as well as right-handed people.
    Type: Application
    Filed: February 28, 2013
    Publication date: September 5, 2013
    Applicant: TEC ONE INTERNATIONAL CO., LTD.
    Inventors: Heng-Xiang ZHANG, Ke-Qian WU, Zhe-Yan PAN