Patents by Inventor Gregory A. Gruber

Gregory A. Gruber 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).

  • Removable liner assembly for a dipper
    Patent number: 9279231
    Abstract: A mining shovel includes a dipper having an inner surface, and a removable liner assembly coupled to the dipper and adjacent to the inner surface of the dipper. The removable liner assembly includes a first rail coupled to the dipper, a first liner segment disposed on the first rail and covering at least a portion of the first rail, and a second liner segment removably coupled to the first rail and covering at least one of a portion of the first liner segment and a portion of the first rail. The first rail is substantially covered by at least one of the first and second liner segments.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: March 8, 2016
    Assignee: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Gregory A. Gruber
  • REMOVABLE LINER ASSEMBLY FOR A DIPPER
    Publication number: 20140314537
    Abstract: A mining shovel includes a dipper having an inner surface, and a removable liner assembly coupled to the dipper and adjacent to the inner surface of the dipper. The removable liner assembly includes a first rail coupled to the dipper, a first liner segment disposed on the first rail and covering at least a portion of the first rail, and a second liner segment removably coupled to the first rail and covering at least one of a portion of the first liner segment and a portion of the first rail. The first rail is substantially covered by at least one of the first and second liner segments.
    Type: Application
    Filed: April 19, 2013
    Publication date: October 23, 2014
    Applicant: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Gregory A. Gruber