Patents by Inventor Michael A Mason

Michael A Mason 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 bearing backing ring assembly
    Patent number: 8696212
    Abstract: A novel assembly for a railcar axle bearing is presented. The assembly includes a backing ring affixed to the fillet of the journal of an axle and a locking ring for further affixing the backing ring the journal. The locking ring has an inboard end affixed to the dust guard of the axle and an outboard end for engaging the backing ring. The looking ring may include a resilient sealing ring.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: April 15, 2014
    Assignee: Amsted Rail Company, Inc.
    Inventors: Paul Hubbard, Michael A Mason
  • Roller bearing seal
    Patent number: 8360651
    Abstract: A bearing assembly is provided having a roller bearing with an inner raceway fitted around the journal portion of an axle. An outer raceway combines with the inner raceway to receive roller elements. A backing ring is centered to the shaft fillet. An annular wear ring is positioned between the inner race and the backing ring. An improved lubricant seal arrangement is provided between the wear ring and the supporting outer raceway, and includes a rotor, a seal, a slinger and, in some embodiments, a stator.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: January 29, 2013
    Assignee: Amsted Rail Company, Inc.
    Inventors: Mark W Fetty, Michael A Mason, Paul A Hubbard