Patents by Inventor Graham Keith Field

Graham Keith Field 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).

  • Grid members for a suspended ceiling and methods of making same
    Patent number: 8424268
    Abstract: Grid members, namely a runner (10) and wall angle (400) for suspended ceiling grids, are disclosed. Certain embodiments of the runner and the wall angle have two web portions (28, 30) and at least one distinct indent portion (62) to define a space between the web portions. An adhesive (56) may be disposed within one or more of the indent portions (62) to adhere the two web portions (28, 30) to each other. Certain embodiments of the runner or wall angle have flange portions (32, 34) that may have indent portions as well. One or more of these indent portions may contain adhesive. Some embodiments of the runner or wall angle have overturned cap portions on the flange portions, and an adhesive may be placed between the overturned cap portions and upwardly facing surfaces of the flange portions.
    Type: Grant
    Filed: January 7, 2009
    Date of Patent: April 23, 2013
    Assignee: USG Interiors, LLC
    Inventors: Graham Keith Field, Thomas Andreas Voigt
  • GRID MEMBERS FOR A SUSPENDED CEILING AND METHODS OF MAKING SAME
    Publication number: 20110023400
    Abstract: Grid members, namely a runner (10) and wall angle (400) for suspended ceiling grids, are disclosed. Certain embodiments of the runner and the wall angle have two web portions (28, 30) and at least one distinct indent portion (62) to define a space between the web portions. An adhesive (56) may be disposed within one or more of the indent portions (62) to adhere the two web portions (28, 30) to each other. Certain embodiments of the runner or wall angle have flange portions (32, 34) that may have indent portions as well. One or more of these indent portions may contain adhesive. Some embodiments of the runner or wall angle have overturned cap portions on the flange portions, and an adhesive may be placed between the overturned cap portions and upwardly facing surfaces of the flange portions.
    Type: Application
    Filed: January 7, 2009
    Publication date: February 3, 2011
    Applicant: USG INTERIORS, INC.
    Inventors: Graham Keith Field, Thomas Andreas Voigt
  • Suspended ceiling wall angle
    Patent number: D668352
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: October 2, 2012
    Assignee: USG Interiors, LLC
    Inventors: Graham Keith Field, Thomas Andreas Voigt
  • Suspended ceiling grid tee
    Patent number: D672476
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: December 11, 2012
    Assignee: USG Interiors, LLC
    Inventors: Graham Keith Field, Thomas Andreas Voigt