Patents by Inventor David Douglas Archer

David Douglas Archer 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).

  • Truss system
    Patent number: 8959868
    Abstract: Disclosed is a truss, having an upper and lower chord member each extending in generally the same longitudinal direction and in spaced apart relation. The truss also includes a plurality of web members each with a first and second end, the web members including a crimped portion at the first and second end with openings disposed therein, wherein the first and second ends and openings of adjacent web members overlap. A lower chord fastening system extends through the lower chord and through the overlapping openings in the first ends of adjacent web members. An upper chord fastening system extends through the upper chord and through the overlapping openings in the second ends of two adjacent web members, wherein a plurality of lower and upper chord fastening systems are utilized across the entire length of the truss.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 24, 2015
    Assignee: BlueScope Buildings North America, Inc.
    Inventors: Clifford M. Robinson, David Douglas Archer
  • Truss System
    Publication number: 20140075877
    Abstract: Disclosed is a truss, having an upper and lower chord member each extending in generally the same longitudinal direction and in spaced apart relation. The truss also includes a plurality of web members each with a first and second end, the web members including a crimped portion at the first and second end with openings disposed therein, wherein the first and second ends and openings of adjacent web members overlap. A lower chord fastening system extends through the lower chord and through the overlapping openings in the first ends of adjacent web members. An upper chord fastening system extends through the upper chord and through the overlapping openings in the second ends of two adjacent web members, wherein a plurality of lower and upper chord fastening systems are utilized across the entire length of the truss.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 20, 2014
    Applicant: BLUESCOPE BUILDINGS NORTH AMERICA, INC.
    Inventors: Clifford M. Robinson, David Douglas Archer