Patents by Inventor Fan-Yu LIU

Fan-Yu 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).

  • Controller for rotation and movement motion
    Patent number: 8640565
    Abstract: A controller of the present invention is provided for valve to be connected thereto. The controller is used for executing rotation and movement motion so as to operate the stem of the valve and to control connection conditions of the valve. As such, the valve assembled with the controller can be controlled and switched automatically. Cost of management of factories is minimized.
    Type: Grant
    Filed: August 18, 2011
    Date of Patent: February 4, 2014
    Inventors: Fan-Yu Liu, Geng-Xue Liu
  • CONTROLLER FOR ROTATION AND MOVEMENT MOTION
    Publication number: 20120042747
    Abstract: A controller of the present invention is provided for valve to be connected thereto. The controller is used for executing rotation and movement motion so as to operate the stem of the valve and to control connection conditions of the valve. As such, the valve assembled with the controller can be controlled and switched automatically. Cost of management of factories is minimized.
    Type: Application
    Filed: August 18, 2011
    Publication date: February 23, 2012
    Inventors: Fan-Yu LIU, Geng-Xue LIU