Patents by Inventor William Kelly Bedwell

William Kelly Bedwell 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).

  • Publication number: 20230110018
    Abstract: This disclosure provides gypsum cement compositions which comprise an aggregate stabilizing mixture containing a combination of a polysaccharide gum and a polyacrylamide-gelatin blend, and methods for making and using these compositions, including pourable/pumpable floor underlayment slurries and methods for forming high strength underlayment on different substrates.
    Type: Application
    Filed: June 20, 2022
    Publication date: April 13, 2023
    Inventors: Karl Glenn Niessner, Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell
  • Patent number: 10662114
    Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 26, 2020
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Gary Franklin Miller, Raymond A. Kaligian
  • Publication number: 20180237341
    Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.
    Type: Application
    Filed: April 23, 2018
    Publication date: August 23, 2018
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Gary Franklin Miller, Raymond A. Kaligian
  • Patent number: 9975808
    Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: May 22, 2018
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Gary Franklin Miller, Raymond A. Kaligian
  • Patent number: 9708220
    Abstract: A cementitious hydrating patch composition is provided with improved strength and abrasion resistance. The patch comprises Portland cement in the amount from 2% to 10%, Calcium Sulfate Hemihydrate in the amount from 2% to 30%, Gypsum in the amount from 0% to 15%, Calcium Aluminate Cement in the amount from 15% to 40%, Calcium Carbonate in the amount from 0% to 40%, at least one filler in the amount from 1% to 30%; and at least one binder in the amount from 10% to 40%, wherein all amounts are based on dry weight of the composition. Methods of preparing and using the patch composition are provided as well.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 18, 2017
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Raymond A. Kaligian
  • Publication number: 20160340251
    Abstract: A cementitious hydrating patch composition is provided with improved strength and abrasion resistance. The patch comprises Portland cement in the amount from 2% to 10%, Calcium Sulfate Hemihydrate in the amount from 2% to 30%, Gypsum in the amount from 0% to 15%, Calcium Aluminate Cement in the amount from 15% to 40%, Calcium Carbonate in the amount from 0% to 40%, at least one filler in the amount from 1% to 30%; and at least one binder in the amount from 10% to 40%, wherein all amounts are based on dry weight of the composition. Methods of preparing and using the patch composition are provided as well.
    Type: Application
    Filed: May 18, 2015
    Publication date: November 24, 2016
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Raymond A. Kaligian
  • Publication number: 20150315081
    Abstract: An ultra-light, pourable, self-drying cementitious product with improved density control and ultra-low water demand is provided. Compositions and methods for making the products are provided as well, including compositions and methods with ultra-low water demand.
    Type: Application
    Filed: May 2, 2014
    Publication date: November 5, 2015
    Applicant: United States Gypsum Company
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, William Kelly Bedwell, Gary Franklin Miller, Raymond A. Kaligian