Patents by Inventor Shing Tsang

Shing Tsang 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: 20050279034
    Abstract: A modular building with walls held together by a base ring beam (200) interconnected via dowels (301a, 302a). Triangular roofing frames (410) are connected to the top of the end side panels via dowels with roofing pieces (400) held on said roofing frames via dowels (402).
    Type: Application
    Filed: September 19, 2003
    Publication date: December 22, 2005
    Inventor: Shing Tsang
  • Publication number: 20050140182
    Abstract: The preferred embodiment of compact folding chair comprises of a sitting base pivotally connected to a backrest, which is supported by two sets of legs and locking mechanism. A set of level blocks, a pair of sliding bars and a pair of tie bars is used so arranged to be move so that the chair could be folded into a compact position for transport and storage purpose. This present invention solves the problems of being taken up space during transportation and storage. The alternative embodiment of the present invention comprises of a sitting base pivotally connected to a backrest, which is supported by two sets of legs and locking mechanism. A pair of armrests, two sets of level blocks, two sets of sliding bars, and two sets of tie bars is used so arranged to be move so that the chair could be folded into compact position and provide comfortability to the user with multi position armrests.
    Type: Application
    Filed: March 10, 2003
    Publication date: June 30, 2005
    Inventor: Shing Tsang