Patents by Inventor Mason Maitlen

Mason Maitlen 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).

  • Patent number: 8056270
    Abstract: A dredge propulsion system mounted on the same boom as the cutter head. The propulsion system has one or more augers which can be operated individually to maneuver the dredge. In the preferred embodiment a pair of augers are mounted parallel to one another on a subframe which is connected to the boom of the cutter head. The subframe comprises a first member pivotally attached to the boom. Each auger is carried by a three bar linkage mounted to the first member.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: November 15, 2011
    Inventors: Cash Maitlen, Mason Maitlen