Patents by Inventor Da Dun Liu

Da Dun 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).

  • Chair in combination with a hanger
    Publication number: 20030184134
    Abstract: A chair has a base, a seat connected to the base by means of a cylinder, a seatback connected to the seat by a connecting element and a hanger adjustably connected to the connecting element, such that the user is able to readily hang garment on the hanger.
    Type: Application
    Filed: April 1, 2002
    Publication date: October 2, 2003
    Inventor: Da Dun Liu
  • Nursing bed
    Patent number: 6519795
    Abstract: A nursing bed has a lifting device mounted on the front frame so that the patient is still able to change the upper part of the body and a sliding device mounted between the mediate frame and the rear frame so that the rear frame is able to move sidewardly relative to the mediate frame of the nursing bed.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: February 18, 2003
    Assignee: Tung Tai Chuang Co., Ltd.
    Inventor: Da Dun Liu