Patents by Inventor Pak Sum Yau

Pak Sum Yau 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).

  • Patent number: 9097004
    Abstract: The present application relates to a pre-embedded anchor system for securing construction elements to concrete slabs. The system comprises at least one pair of juxtaposed elongate anchor slots (1) connected together by at least two linkage bolts (8) and an assembly of steel bars (2) interconnecting a plurality of anchor members (3) at connection nodes (7) of the anchor members (3). The anchor slots (1) have a plurality of anchor members (3) extending therefrom. The pair of juxtaposed anchor slots (1) are interconnected by the linkage bolts (8) and the assembly of crossover steel bars (2) to form a frame.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: August 4, 2015
    Inventor: Pak Sum Yau
  • Publication number: 20140208678
    Abstract: The present application relates to a pre-embedded anchor system for securing construction elements to concrete slabs. The system comprises at least one pair of juxtaposed elongate anchor slots (1) connected together by at least two linkage bolts (8) and an assembly of steel bars (2) interconnecting a plurality of anchor members (3) at connection nodes (7) of the anchor members (3). The anchor slots (1) have a plurality of anchor members (3) extending therefrom. The pair of juxtaposed anchor slots (1) are interconnected by the linkage bolts (8) and the assembly of crossover steel bars (2) to form a frame.
    Type: Application
    Filed: August 10, 2011
    Publication date: July 31, 2014
    Inventor: Pak Sum Yau
  • Publication number: 20110173920
    Abstract: A channel anchoring device (100) having predetermined structural properties, for securing construction elements to a metallic structure, the anchoring device (100) comprising a generally elongate metallic channel rail (110) having an engagement surface for engagement with a fastener, the fastener providing fixation of a construction element to the channel rail (110), and a generally elongate metallic fixation member (120) abutted against and engaged with said channel rail (110), wherein the fixation member (120) is engaged with the channel rail (110), said fixation member being formed from a material suitable for allowing welded fixation of the anchoring device (100) to a structure.
    Type: Application
    Filed: September 11, 2008
    Publication date: July 21, 2011
    Inventor: Pak Sum Yau