Patents by Inventor Mark A Otten

Mark A Otten 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: 7914431
    Abstract: A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: March 29, 2011
    Assignee: Alamo Group, Inc.
    Inventors: Bart L. Trevillyan, Brian E. Hardy, Mark A Otten, Allen C Larson
  • Publication number: 20100115908
    Abstract: A mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Application
    Filed: November 12, 2008
    Publication date: May 13, 2010
    Inventors: Bart L. Trevillyan, Brian E. hardy, Mark A. Otten, Allen C. Larson
  • Publication number: 20100115907
    Abstract: A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller.
    Type: Application
    Filed: March 4, 2009
    Publication date: May 13, 2010
    Inventors: Bart L. Trevillyan, Brian E. Hardy, Mark A. Otten, Allen C. Larson