Patents by Inventor Chris Haller

Chris Haller 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).

  • Ceramic proppants
    Patent number: 8722590
    Abstract: A sintered, generally spherical ceramic body, having an alumina content of from about 52 to about 58 weight percent distributed substantially homogeneously throughout the body, a silica content from about 32 to about 39 weight percent distributed substantially homogeneously throughout the body, an apparent specific gravity of about 2.63 to about 2.67, and a bulk density of about 1.48 to about 1.56 grams per cubic centimeter.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: May 13, 2014
    Assignee: Shamrock Group
    Inventors: Frank O'Brien, Chris Haller
  • CERAMIC PROPPANTS
    Publication number: 20130255945
    Abstract: A sintered, generally spherical ceramic body, having an alumina content of from about 52 to about 58 weight percent distributed substantially homogeneously throughout the body, a silica content from about 32 to about 39 weight percent distributed substantially homogeneously throughout the body, an apparent specific gravity of about 2.63 to about 2.67, and a bulk density of about 1.48 to about 1.56 grams per cubic centimeter.
    Type: Application
    Filed: January 7, 2011
    Publication date: October 3, 2013
    Inventors: Frank O'Brien, Chris Haller