Patents by Inventor David John Edkins

David John Edkins 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).

  • Hanger system for concrete building units
    Patent number: 8978329
    Abstract: A hanger for a cementitious building unit including: a first hanger component having: a body; and at least one first interlocking portion arranged in (a) predetermined position(s) on the body of the first hanger component a second hanger component including: a body; at least two second interlocking portions arranged in (a) predetermined position(s) on the body of the second hanger component; and an overhanging portion adapted to abut a building support surface wherein the first interlocking portions and second interlocking portions are complimentary to each other and provide for vertical height adjustment of the first hanger component in relation to the second hanger component; and the first hanger component also has at least one first connecting portion for a tension tie for anchorage within the cementitious building unit.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: March 17, 2015
    Assignee: Stahlton Engineered Concrete
    Inventors: David John Edkins, Stuart Grant Ashby
  • Rain-screen apparatus and method
    Patent number: 8484921
    Abstract: A rain-screen apparatus including a substantially rigid air barrier (10) adapted for attachment to a building structure, a rain-screen panel (20) adapted for attachment over the air barrier, a spacing member adapted to provide a clearance space (14) between the air barrier and the rain-screen panel and sealing means adapted to provide substantial pressure equalization between within the clearance space.
    Type: Grant
    Filed: July 5, 2004
    Date of Patent: July 16, 2013
    Assignee: James Hardie Technology Limited
    Inventor: David John Edkins
  • HANGER SYSTEM FOR CONCRETE BUILDING UNITS
    Publication number: 20130074438
    Abstract: A hanger for a cementitious building unit including: a first hanger component having: a body; and at least one first interlocking portion arranged in (a) predetermined position(s) on the body of the first hanger component a second hanger component including: a body; at least two second interlocking portions arranged in (a) predetermined position(s) on the body of the second hanger component; and an overhanging portion adapted to abut a building support surface wherein the first interlocking portions and second interlocking portions are complimentary to each other and provide for vertical height adjustment of the first hanger component in relation to the second hanger component; and the first hanger component also has at least one first connecting portion for a tension tie for anchorage within the cementitious building unit.
    Type: Application
    Filed: September 24, 2009
    Publication date: March 28, 2013
    Inventors: David John Edkins, Stuart Grant Ashby