Patents by Inventor Justin Papke Shields

Justin Papke Shields 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).

  • Roller cone earth-boring rotary drill bits including disk heels and related systems and methods
    Patent number: 10689911
    Abstract: Earth-boring rotary drill bits include heel portions exhibiting reduced aggressiveness. Earth-boring rotary drill bits may comprise a bit body and a plurality of roller cones coupled to the bit body. Each roller cone comprises a plurality of rows of cutting elements, and a continuous disk heel located further from an axis of rotation of the roller cone than the at least one row of cutting elements, the continuous disk heel exhibiting a reduced amount of aggressiveness compared to the at least one row of cutting elements.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: June 23, 2020
    Assignee: Baker Hughes, a GE company, LLC
    Inventors: Justin Papke Shields, Robert E. Grimes, Rudolf Carl Pessier
  • ROLLER CONE EARTH-BORING ROTARY DRILL BITS INCLUDING DISK HEELS AND RELATED SYSTEMS AND METHODS
    Publication number: 20170342775
    Abstract: Earth-boring rotary drill bits include heel portions exhibiting reduced aggressiveness. Earth-boring rotary drill bits may comprise a bit body and a plurality of roller cones coupled to the bit body. Each roller cone comprises a plurality of rows of cutting elements, and a continuous disk heel located further from an axis of rotation of the roller cone than the at least one row of cutting elements, the continuous disk heel exhibiting a reduced amount of aggressiveness compared to the at least one row of cutting elements.
    Type: Application
    Filed: May 24, 2017
    Publication date: November 30, 2017
    Inventors: Justin Papke Shields, Robert E. Grimes, Rudolf Carl Pessier