Patents by Inventor Liu Yung-Ho

Liu Yung-Ho 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).

  • Drip infusion system
    Patent number: 4718892
    Abstract: A drip infusion system is disclosed in which a pulling mechanism is connected to a needle for automatically pulling the needle from the vein of a patient. The pulling mechanism is actuated to pull the needle from the vein responsive to the amount of solution in a drip source mounted on a stand.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: January 12, 1988
    Inventor: Liu Yung-Ho