Patents by Inventor Mike L. Cloud

Mike L. Cloud 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).

  • Compositions with synthetic gypsum and methods
    Patent number: 9944556
    Abstract: DTPA-coated synthetic calcined gypsum is provided with alpha-like properties and obtained by spray-coating the synthetic caclined gypsum with DTPA. Cementitious compositions comprising DTPA-coated synthetic calcined gypsum and low water demand are provided as well. Methods for controlling an open time of a cementitious slurry by increasing or decreasing the amount of DTPA-coated synthetic calcined gypsum in the slurry are provided as well.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: April 17, 2018
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, Mike L. Cloud, Brian K. Ball, Raymond A. Kaligian, Doug Blackburn
  • Oil well cementing products with synthetic gypsum and methods
    Patent number: 9346996
    Abstract: An oil well cementing product comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone is provided. Also provided are methods for cementing oil wells with mixtures comprising DTPA-coated synthetic calcined gypsum, at least one accelerator, at least one retarder, at least one plasticizer and limestone.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 24, 2016
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, Doug Blackburn, Brian K. Ball, Raymond A. Kaligian, Mike L. Cloud
  • COMPOSITIONS WITH SYNTHETIC GYPSUM AND METHODS
    Publication number: 20160107931
    Abstract: DTPA-coated synthetic calcined gypsum is provided with alpha-like properties and obtained by spray-coating the synthetic caclined gypsum with DTPA. Cementitious compositions comprising DTPA-coated synthetic calcined gypsum and low water demand are provided as well. Methods for controlling an open time of a cementitious slurry by increasing or decreasing the amount of DTPA-coated synthetic calcined gypsum in the slurry are provided as well.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 21, 2016
    Inventors: Dennis Mark Lettkeman, John Wesley Wilson, Mike L. Cloud, Brian K. Ball, Raymond A. Kaligian, Doug Blackburn