Patents by Inventor Zhen Miao Xu

Zhen Miao Xu 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).

  • Hanging sun umbrella
    Patent number: 6196242
    Abstract: A hanging sun umbrella includes a column; an umbrella frame including a hanging arm; a movable hanging arm holder for movably attaching the hanging arm to the column; a pull arm extending from the column above the hanging arm holder, wherein the hanging arm, the hanging arm holder, and the pull arm provide a cantilevered shape to the umbrella frame; a crank lift provided on the column to move the movable hanging arm holder up and down along the column for opening and closing the umbrella; and an umbrella cloth fitted on the umbrella frame.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: March 6, 2001
    Inventor: Zhen Miao Xu