Patents by Inventor John Jason Roxburgh

John Jason Roxburgh 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).

  • Method for making a lightweight gypsum composition with internally generated foam and products made from same
    Patent number: 10737981
    Abstract: A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: August 11, 2020
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Samar Emami, Salvatore C. Immordino, Robert H. Negri, David D. Pelot, Jeffrey F. Grussing, Juan Carlos Ruiz Castañeda, Christopher R. Nelson, John Jason Roxburgh, Srinivas Veeramasuneni
  • METHOD FOR MAKING A LIGHTWEIGHT GYPSUM COMPOSITION WITH INTERNALLY GENERATED FOAM AND PRODUCTS MADE FROM SAME
    Publication number: 20180099908
    Abstract: A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.
    Type: Application
    Filed: September 21, 2017
    Publication date: April 12, 2018
    Applicant: UNITED STATES GYPSUM COMPANY
    Inventors: Samar EMAMI, Salvatore C. IMMORDINO, Robert H. NEGRI, David D. PELOT, Jeffrey F. GRUSSING, Juan Carlos RUIZ CASTAÑEDA, Christopher R. NELSON, John Jason ROXBURGH, Srinivas VEERAMASUNENI
  • FASTENER IDENTIFICATION MARKING
    Publication number: 20120301249
    Abstract: A fastener for being inserted a first depth d1 through a first object and a second depth d2 into or through a second object, is provided. The fastener includes, but is not limited to, a head having an outer surface opposed to an inner surface, a shank connected with the inner surface of the head at a first end and forming a tip at a second end opposed to the first end, and an identification marking formed on the outer surface. The outer surface remains exposed upon the fastener being inserted into an object. The shank has an actual length La from the first end to the second end, and wherein the actual length La is equal to or greater than the sum of the first depth d1 and the second depth d2. The identification marking indicates an embedment depth de of the fastener.
    Type: Application
    Filed: May 24, 2011
    Publication date: November 29, 2012
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: David W. Jablonski, John Jason Roxburgh, William M. Heflin