Patents by Inventor Chyi J. Tsay

Chyi J. Tsay 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: 5009559
    Abstract: An elevator type parking lot includes a number of layers of frames, one or more layers of holding units being provided along each side of a passage which is provided on a center portion of each layer of the frames, and an elevator slidable vertically to align with each layer of the frame. A sliding conveyer which is vertically extendible is lifted and carried by the elevator. The sliding conveyer is slidable on the elevator and slidable along each passage of each layer of the frame so as to align with each holding unit. A cross slide feed mechanism is provided on the sliding conveyer. A sliding carrier is carried on the sliding conveyer and is raised by the sliding conveyer to align with each holding unit and is actuated to move laterally by the cross slide feed mechanism toward each holding unit.
    Type: Grant
    Filed: October 30, 1989
    Date of Patent: April 23, 1991
    Inventor: Chyi J. Tsay