Patents by Inventor John W. Pulliam

John W. Pulliam 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: 9810067
    Abstract: A spray system for dust control on a shearer machine that operates laterally with respect to a mining floor surface is provided where the spray system is provided with a set of first ranging arm sprays mounted on a first ranging arm and wherein said first ranging arm is located on a first end of a shearer machine chassis. A set of second ranging arm sprays is optionally provided and is mounted on the upper side of the first ranging arm and resides approximate to and in operational relationship to the set of first ranging arm sprays. Furthermore, a plurality of chassis spray sets may also be optionally provided and are located on a mining side of said shearer machine chassis and reside in a non-linear format. Moreover, a set of shearer-clearer venturi arm sprays may also optionally be provided and is mounted on a shearer-clearer venturi arm that resides as an angular extension of the set of first shearer-clearer arm sprays.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: November 7, 2017
    Assignee: Board of Trustees of Southern Illinois University
    Inventors: Yoginder P. Chugh, Harrold G. Gurley, John W. Pulliam
  • Publication number: 20170122106
    Abstract: A spray system for dust control on a shearer machine that operates laterally with respect to a mining floor surface is provided where the spray system is provided with a set of first ranging arm sprays mounted on a first ranging arm and wherein said first ranging arm is located on a first end of a shearer machine chassis. A set of second ranging arm sprays is optionally provided and is mounted on the upper side of the first ranging arm and resides approximate to and in operational relationship to the set of first ranging arm sprays. Furthermore, a plurality of chassis spray sets may also be optionally provided and are located on a mining side of said shearer machine chassis and reside in a non-linear format. Moreover, a set of shearer-clearer venturi arm sprays may also optionally be provided and is mounted on a shearer-clearer venturi arm that resides as an angular extension of the set of first shearer-clearer arm sprays.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 4, 2017
    Inventors: Yoginder P. Chugh, Harrold G. Gurley, John W. Pulliam