Patents by Inventor Ching-Hong Wong

Ching-Hong Wong 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).

  • Downward mechanism for support pins
    Patent number: 7250084
    Abstract: A downward mechanism for support pins is applicable to a reactor of removable type. Support pins are located on the base of the reactor, and each support pin has a base thereunder. The downward mechanism has an elevator mechanism and a board fixed thereto. The board has several holes for the pin and the base to pass respectively therethrough. Each hole elongates into a slit allowing each of the support pins, only, to pass respectively therethrough.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: July 31, 2007
    Assignee: Chunghwa Picture Tubes, Ltd
    Inventors: Ching-Hong Wong, Hsi-Ming Chang
  • Downward mechanism for support pins
    Publication number: 20050016469
    Abstract: A downward mechanism for support pins is applicable to a reactor of removable type. Support pins are located on the base of the reactor, and each support pin has a base thereunder. The downward mechanism has an elevator mechanism and a board fixed thereto. The board has several holes for the pin and the base to pass respectively therethrough. Each hole elongates into a slit allowing each of the support pins, only, to pass respectively therethrough.
    Type: Application
    Filed: April 15, 2004
    Publication date: January 27, 2005
    Inventors: Ching-Hong Wong, Hsi-Ming Chang