Patents by Inventor Luke R. Fitzwater

Luke R. Fitzwater 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).

  • Gypsum based compositions and processes for making and using same
    Patent number: 9963391
    Abstract: Gypsum based compositions, processes for making same, and articles made therefrom. In one example, the gypsum based composition can include about 1.5 wt % to about 3 wt % of a starch, about 11 wt % to about 14 wt % of a paper, about 0.7 wt % to about 2.3 wt % of vermiculite, about 1.3 wt % to about 3 wt % of a plurality of reinforcing fibers, about 7 wt % to about 10 wt % of a binding agent, about 2 wt % to about 4 wt % of perlite, and about 65 wt % to about 75 wt % of a calcium sulfate, where all weight percent values are based on a combined weight of the starch, paper, vermiculite, plurality of reinforcing fibers, binding agent, perlite, and calcium sulfate.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: May 8, 2018
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Scott J. Abolt, Luke R. Fitzwater, John F. Davis
  • GYPSUM BASED COMPOSITIONS AND PROCESSES FOR MAKING AND USING SAME
    Publication number: 20170267587
    Abstract: Gypsum based compositions, processes for making same, and articles made therefrom. In one example, the gypsum based composition can include about 1.5 wt % to about 3 wt % of a starch, about 11 wt % to about 14 wt % of a paper, about 0.7 wt % to about 2.3 wt % of vermiculite, about 1.3 wt % to about 3 wt % of a plurality of reinforcing fibers, about 7 wt % to about 10 wt % of a binding agent, about 2 wt % to about 4 wt % of perlite, and about 65 wt % to about 75 wt % of a calcium sulfate, where all weight percent values are based on a combined weight of the starch, paper, vermiculite, plurality of reinforcing fibers, binding agent, perlite, and calcium sulfate.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 21, 2017
    Applicant: Georgia-Pacific Gypsum LLC
    Inventors: Scott J. Abolt, Luke R. Fitzwater, John F. Davis