Patents by Inventor Mark H. Tinklepaugh

Mark H. Tinklepaugh 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).

  • Chain Drive System For Use In A Theatre
    Publication number: 20120138244
    Abstract: A system for suspending a vertical curtain (especially a theatrical curtain) and for driving the curtain to move horizontally (for example, between a position covering a stage and a position not covering a stage). The curtain is suspended directly from a drive chain, along at least a portion of the drive chain, by chain attachment structures. Also, a rotating switch that can be actuated by a switch attachment structure supported by the drive chain. Also, the use of a dedicated encoder sprocket which is separate from the guide sprockets.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 7, 2012
    Applicant: J. R. CLANCY, INC.
    Inventors: Mark H. Tinklepaugh, Michael S. Murphy
  • Control valve bushing with anodized aluminum surface with teflon
    Patent number: 5947446
    Abstract: A bushing for a railroad control valve composed of aluminum having an anodized surface with a teflon layer at least where a valve element moves within the bushing. The teflon is preferably impregnated into the anodized surface or may be a continuous teflon sheet bound to the anodized surface.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: September 7, 1999
    Assignee: New York Air Brake Corporation
    Inventor: Mark H. Tinklepaugh