Patents by Inventor James Michael Crandall

James Michael Crandall 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).

  • Filter screen brush assembly
    Patent number: 10286339
    Abstract: A filter screen brush apparatus includes a circular connecting portion that has an opening substantially centered on a longitudinal axis of the apparatus. At least one extension arm has one end coupled to the circular connecting portion and extends from the circular connecting portion along the longitudinal axis. The at least one extension arm includes an inner surface that faces the longitudinal axis. At least one brush is coupled to the inner surface of the at least one extension arm.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: May 14, 2019
    Assignee: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: James Michael Crandall, Joseph Keith Young
  • FILTER SCREEN BRUSH ASSEMBLY
    Publication number: 20170136391
    Abstract: A filter screen brush apparatus includes a circular connecting portion that has an opening substantially centered on a longitudinal axis of the apparatus. At least one extension arm has one end coupled to the circular connecting portion and extends from the circular connecting portion along the longitudinal axis. The at least one extension arm includes an inner surface that faces the longitudinal axis. At least one brush is coupled to the inner surface of the at least one extension arm.
    Type: Application
    Filed: November 16, 2015
    Publication date: May 18, 2017
    Inventors: James Michael Crandall, Joseph Keith Young