Patents by Inventor Thomas J. Wickman

Thomas J. Wickman 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).

  • High rail excavator
    Patent number: 8453581
    Abstract: A high rail excavator is provided. The high rail excavator includes at least one high rail mechanism to elevate the high rail excavator relative to the rails of a railroad track. The high rail mechanism is disposed within an envelope of the tracks, thereby increasing the maneuverability and safety of the high rail excavator. The high rail mechanism includes a power control arrangement that integrates with a power supply of the excavator so that an additional power supply dedicated to the high rail mechanism is not required.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: June 4, 2013
    Assignee: Rail Construction Equipment Company
    Inventors: Dean T. Wickman, Steven L. Benck, Dennis Hanke, Andrew C. Wickman, Thomas J. Wickman
  • High Rail Excavator
    Publication number: 20120024189
    Abstract: A high rail excavator is provided. The high rail excavator includes at least one high rail mechanism to elevate the high rail excavator relative to the rails of a railroad track. The high rail mechanism is disposed within an envelope of the tracks, thereby increasing the maneuverability and safety of the high rail excavator. The high rail mechanism includes a power control arrangement that integrates with a power supply of the excavator so that an additional power supply dedicated to the high rail mechanism is not required.
    Type: Application
    Filed: July 27, 2010
    Publication date: February 2, 2012
    Applicant: RAIL CONSTRUCTION EQUIPMENT COMPANY
    Inventors: Dean T. Wickman, Steven L. Benck, Dennis Hanke, Andrew C. Wickman, Thomas J. Wickman