Patents by Inventor Douglas Wilson Cullen

Douglas Wilson Cullen 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: 10392797
    Abstract: A single leaf building component for use in separating walls in timber frame building construction. Two timber frame studs are held together at an edge by at least one acoustic connector. The connector holds the frames at a fixed distance, prevents sound transfer and provides a lifting point. Embodiments of the connector are described with the inclusion of a dampening material and having a timber body.
    Type: Grant
    Filed: November 13, 2016
    Date of Patent: August 27, 2019
    Assignee: GLENALMOND TIMBER COMPANY LIMITED
    Inventor: Douglas Wilson Cullen
  • Publication number: 20170138041
    Abstract: A single leaf building component for use in separating walls in timber frame building construction. Two timber frame studs are held together at an edge by at least one acoustic connector. The connector holds the frames at a fixed distance, prevents sound transfer and provides a lifting point. Embodiments of the connector are described with the inclusion of a dampening material and having a timber body.
    Type: Application
    Filed: November 13, 2016
    Publication date: May 18, 2017
    Inventor: Douglas Wilson Cullen
  • Patent number: 7805910
    Abstract: A device 60 for fixing together first and second side-by-side beams of a kind having first and second spaced apart flanges connected by a web. The device 60 comprises a member 62 having first and second opposing ends 64, 66 and is configured to extend from a first flange to a second flange of the beams. The device further comprises at least one portion 68, 70 extending laterally of each of said first and second opposing ends with the at least one portion at the first opposing end being configured to be fixed to an outer surface of the first flange of the first beam and the at least one portion at the second opposing end being configured to be fixed to an outer surface of the second flange of the second beam.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: October 5, 2010
    Assignee: Illinois Tool Works Inc
    Inventors: Luke Richard John Whale, Douglas Wilson Cullen
  • Publication number: 20040129845
    Abstract: A hanger device and method for connecting together I-beams which have first and second flanges connected by a web. The hanger is constructed from a first bracket (20) having first and second side members (22, 24) and an intermediate member (26) connected between the side members which is capable of supporting a second flange of a first I-Beam. At least one second bracket (30) is provided, having first and second side members (32, 34) and an intermediate member (36) connected between the side members. The first and second side members are provided with fixing apertures (40a, b; 60a, b) arranged thereon to facilitate connection of the first and/or second side members to the first and/or second flanges of a second I-beam. The first and second side members of the first bracket are connected to each of the at least one second bracket(s) at the first side member thereof and at a pre-determined angle with respect to the first side member of the second bracket.
    Type: Application
    Filed: October 29, 2003
    Publication date: July 8, 2004
    Inventors: Luke John Richard Whale, Douglas Wilson Cullen