Patents by Inventor Pei Hua Yu

Pei Hua Yu 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).

  • Patent number: 11933989
    Abstract: A headband device is provided. The headband device includes a first knob, a first transmission mechanism, a vertical adjustment mechanism and a vertical headband. The first knob is rotated around a first axis. The first transmission mechanism is connected to the first knob, wherein the first transmission mechanism is rotated by the first knob around a second axis, wherein the first axis is perpendicular to the second axis. The vertical adjustment mechanism is adapted to be connected to the first transmission mechanism, wherein the vertical adjustment mechanism is rotated by the first transmission mechanism and is rotated around the second axis. The vertical headband is connected to the vertical adjustment mechanism, wherein the vertical headband is moved by the vertical adjustment mechanism and the tightness of the vertical headband is adjustable.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 19, 2024
    Assignee: WISTRON CORP.
    Inventors: Tsu Yin Jen, Pei Hsin Huang, Lee-Hua Yu
  • Patent number: 6568977
    Abstract: A flotation device with six pieces that are removably attached to each other. The six pieces can be rearranged to create a tub and seat a leaky boat or life buoy. The pieces are removably attached to each other by a series of perforations and hook and loop material or ribbon and twine and are constructed of a buoyant foam and water resistant covering which is resistant to tears or rips.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: May 27, 2003
    Inventor: Pei Hua Yu