Patents by Inventor Dallas Wilkins

Dallas Wilkins 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).

  • Drill bit having shear cutters and gouging cutters
    Patent number: 10107041
    Abstract: A drill bit includes a bit body defining a plurality of blades extending from a selected distance from an axis of rotation of the bit body to a gage face. A plurality of only gouging cutters is mounted on the bit body. At least one of the plurality of blades has a blade top surface longitudinally behind the tips of the gouging cutters at a selected distance from the tips of the gouging cutters.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: October 23, 2018
    Assignee: Shear Bits, Ltd.
    Inventors: John James Herman, Dallas Wilkins, Ryan J. C. Marley, Timothy P. Beaton
  • DRILL BIT HAVING SHEAR AND PICK-TYPE CUTTERS
    Publication number: 20160186498
    Abstract: A drill bit includes a bit body defining a plurality of blades extending from a selected distance from an axis of rotation of the bit body to a gage face. A plurality of only gouging cutters is mounted on the bit body. At least one of the plurality of blades has a blade top surface longitudinally behind the tips of the gouging cutters at a selected distance from the tips of the gouging cutters.
    Type: Application
    Filed: March 8, 2016
    Publication date: June 30, 2016
    Inventors: John James Herman, Dallas Wilkins, Ryan J. C. Marley, Timothy P. Beaton
  • DRILL BIT HAVING SHEAR AND PICK-TYPE CUTTERS
    Publication number: 20150060149
    Abstract: A drill bit includes a bit body defining a plurality of blades extending from a selected distance from an axis of rotation of the bit body to a gage face. A plurality of only gouging cutters is mounted on the bit body. At least one of the plurality of blades has a blade top surface longitudinally behind the tips of the gouging cutters at a selected distance from the tips of the gouging cutters.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 5, 2015
    Applicant: Shear Bits, Ltd.
    Inventors: John James Herman, Dallas Wilkins, Ryan J. C. Marley, Timothy P. Beaton