Patents by Inventor Zachary W. Butterworth

Zachary W. Butterworth 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).

  • Rail car unloading catch pan system
    Patent number: 9242757
    Abstract: A system for catching and containing a spill of a liquid from a rail tank car consisting of a series of catch pans attached end-to-end and placed between the rails of a railroad track is provided. The end walls of each catch pan are shorter than its side walls, with the catch pans located at either end of the series having an end wall extension attached to raise the height of the end wall to that of the side walls. A sealing gasket is placed between adjacent catch pans, and at least one opening extends through the end walls and the sealing gasket between adjacent catch pans. A drain is located in the bottom of at least one of the catch pans.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: January 26, 2016
    Assignee: Southwire Company, LLC
    Inventors: Ronald R. Martin, Zachary W. Butterworth, Joel R. Dicks
  • Rail car unloading catch pan system
    Patent number: 8499962
    Abstract: A system for catching and containing a spill of a liquid from a rail tank car consisting of a series of catch pans attached end-to-end and placed between the rails of a railroad track is provided. The end walls of each catch pan are shorter than its side walls, with the catch pans located at either end of the series having an end wall extension attached to raise the height of the end wall to that of the side walls. A sealing gasket is placed between adjacent catch pans, and at least one opening extends through the end walls and the sealing gasket between adjacent catch pans. A drain is located in the bottom of at least one of the catch pans.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: August 6, 2013
    Assignee: Southwire Company
    Inventors: Ronald R. Martin, Zachary W. Butterworth, Joel R. Dicks