Patents by Inventor Chris Fewox

Chris Fewox 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).

  • Liquid gypsum set accelerator
    Patent number: 9878950
    Abstract: A liquid accelerator composition for accelerating the setting reaction of calcium sulfate hemihydrate and water and methods of forming a liquid gypsum accelerator are provided. The liquid accelerator composition includes a liquid media in which calcium sulfate dihydrate is less than fully soluble and a ground product of a mill grinding of a mixture comprising calcium sulfate dihydrate.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: January 30, 2018
    Assignee: National Gypsum Properties, LLC
    Inventors: Chris Fewox, Joseph J. Bailey
  • SYSTEM FOR MAKING GYPSUM BOARD USING A LIQUID GYPSUM SET ACCELERATOR
    Publication number: 20180009129
    Abstract: Systems and methods for making gypsum board using a liquid gypsum set accelerator. Stucco and water are mixed to form a gypsum slurry, such as in a pin mixer. A gypsum set accelerator is mixed with a liquid medium to form a liquid gypsum set accelerator, such as in an eductor. The liquid gypsum set accelerator is added to the gypsum slurry, which is shaped to form the gypsum board.
    Type: Application
    Filed: July 11, 2016
    Publication date: January 11, 2018
    Inventors: Gene Whittington, Chris Fewox, Joseph J. Bailey, John L. Phillips
  • LIQUID GYPSUM SET ACCELERATOR
    Publication number: 20180009713
    Abstract: A liquid accelerator composition for accelerating the setting reaction of calcium sulfate hemihydrate and water and methods of forming a liquid gypsum accelerator are provided. The liquid accelerator composition includes a liquid media in which calcium sulfate dihydrate is less than fully soluble and a ground product of a mill grinding of a mixture comprising calcium sulfate dihydrate.
    Type: Application
    Filed: July 11, 2016
    Publication date: January 11, 2018
    Inventors: Chris Fewox, Joseph J. Bailey