Patents by Inventor Huang Jian Jun

Huang Jian Jun 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).

  • Suspension support device for an outer wall working machine
    Patent number: 5791862
    Abstract: A suspension support device is provided movably on the upper surface of a building for suspending, by means of ropes, an outer wall working machine having fitting and moving members which can be fittedly engaged in a pair of guide grooves formed vertically on an outer wall surface of the building, and lowering and lifting the outer wall working machine along the guide grooves.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: August 11, 1998
    Assignee: Nihon Biso Co., Ltd.
    Inventors: Shigeru Ohtsuki, Masahiro Michikoshi, Mitsuru Kawahara, Huang Jian Jun