Patents by Inventor Ralph Barthel

Ralph Barthel 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).

  • Flash Coating Treatments For Proppant Solids
    Publication number: 20200115627
    Abstract: Treatment methods for coated or uncoated proppants that can, among other things, control fugitive dust during typical handling procedures with typical transport equipment and/or add functional features to the proppant solid are disclosed herein.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Inventors: Robert McDaniel, Kerry Drake, Spyridon Monastiriotis, Ralph Barthel
  • Flash Coating Treatments For Proppant Solids
    Publication number: 20150315459
    Abstract: Treatment methods for coated or uncoated proppants that can, among other things, control fugitive dust during typical handling procedures with typical transport equipment and/or add functional features to the proppant solid are disclosed herein.
    Type: Application
    Filed: July 14, 2015
    Publication date: November 5, 2015
    Inventors: Robert McDaniel, Kerry Drake, Spyridon Monastiriotis, Ralph Barthel
  • Flash Coating Treatments For Proppant Solids
    Publication number: 20150119301
    Abstract: Treatment methods for coated or uncoated proppants that can, among other things, control fugitive dust during typical handling procedures with typical transport equipment and/or add functional features to the proppant solid are disclosed herein.
    Type: Application
    Filed: October 30, 2014
    Publication date: April 30, 2015
    Applicant: Preferred Technology, LLC
    Inventors: Robert McDaniel, Kerry Drake, Spyridon Monastiriotis, Ralph Barthel