Patents by Inventor Carl Wade Ballinger

Carl Wade Ballinger 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).

  • Retainer systems for ground engaging tools
    Patent number: 9074351
    Abstract: Disclosed are various exemplary embodiments of a lock for a ground engaging tool. The lock may include a head portion and a C-shaped portion extending from the head portion. The C-shaped portion may define a lock slot for receiving a portion of a support member to be locked with the ground engaging tool. The C-shaped portion may also include an outer surface configured to be rotatably received in an inner surface of a retainer bushing. At least a portion of the head portion and the C-shaped portion may include a surface coated with a friction-reducing material.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 7, 2015
    Assignee: Caterpillar Inc.
    Inventor: Carl Wade Ballinger
  • RETAINER SYSTEMS FOR GROUND ENGAGING TOOLS
    Publication number: 20140259811
    Abstract: Disclosed are various exemplary embodiments of a lock for a ground engaging tool. The lock may include a head portion and a C-shaped portion extending from the head portion. The C-shaped portion may define a lock slot for receiving a portion of a support member to be locked with the ground engaging tool. The C-shaped portion may also include an outer surface configured to be rotatably received in an inner surface of a retainer bushing. At least a portion of the head portion and the C-shaped portion may include a surface coated with a friction-reducing material.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: CATERPILLAR INC.
    Inventor: Carl Wade Ballinger