Patents by Inventor Tsai-Jung Chiang

Tsai-Jung Chiang 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).

  • Publication number: 20070228852
    Abstract: A magnetically-levitated telescopic land indicator comprises a sleeve having an end surface; the end surface having an opening; a seat combined to the sleeve so as to form an inner space for receiving other elements; a magnetic levitated telescopic cylinder installed to the downward concave portion of the seat; the magnetically-levitated telescopic cylinder being installed in an inner space between the seat and the sleeve; at least two permanent magnets being installed within the magnetically-levitated telescopic cylinder; the permanent magnets having same magnetic polarities so that the permanent magnets being repulsive to one another; and an actuator being made of strengthened transparent material; the actuator having a dome shape protrusion at an upper end; an edge portion being arranged around an edge of the protrusion, and the protrusion protruding from the opening in the end surface of the sleeve.
    Type: Application
    Filed: March 12, 2007
    Publication date: October 4, 2007
    Inventor: Tsai-Jung Chiang