Patents by Inventor John L. Hammond

John L. Hammond 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 runner
    Patent number: 8667827
    Abstract: A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: March 11, 2014
    Assignee: USG Interiors, LLC
    Inventors: James J. Lehane, Jr., Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler, Mark R. Paulsen
  • Grid runner
    Patent number: 8359801
    Abstract: A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: January 29, 2013
    Assignee: USG Interiors, LLC
    Inventors: James J. Lehane, Jr., Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler, Mark R. Paulsen
  • GRID RUNNER
    Publication number: 20120023854
    Abstract: A roll-formed grid runner comprising a sheet metal strip folded into an upper hollow single wall reinforcing bulb, a double wall web below the bulb, a channel extending laterally from both sides of a lower end of the web to a bend and upwardly from the bend to a panel supporting elevation, the bend on each side of the web existing at a longitudinally extending score line where a thickness of the strip is locally reduced.
    Type: Application
    Filed: August 2, 2010
    Publication date: February 2, 2012
    Applicant: USG INTERIORS, INC.
    Inventors: James J. Lehane, JR., Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler, Mark R. Paulsen
  • Suspended ceiling grid tee
    Patent number: D641500
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: July 12, 2011
    Assignee: USG Interiors, Inc.
    Inventors: James J. Lehane, Jr., Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler, Mark R. Paulsen
  • Suspended ceiling grid tee assembly
    Patent number: D641501
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: July 12, 2011
    Assignee: USG Interiors, Inc.
    Inventors: James J. Lehane, Jr., Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler, Mark R. Paulsen