Patents by Inventor SDG, LLC

SDG, LLC 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).

  • APPARATUS AND METHOD FOR SUPPLYING ELECTRICAL POWER TO AN ELECTROCRUSHING DRILL
    Publication number: 20130140086
    Abstract: An apparatus and method for controlling power delivered to a pulsed power system which includes a command charge switch for controlling when power produced by a primary power system is fed into a cable. The command charge switch also controls the power delivered to the pulsed power system in a bottom hole assembly.
    Type: Application
    Filed: December 19, 2012
    Publication date: June 6, 2013
    Applicant: SDG, LLC
    Inventor: SDG, LLC