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).

  • Multifunction foldable float
    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