Patents Assigned to JRV Holdings, LLC
  • Apparatus and method for machining internal portions of a valve body
    Patent number: 9862044
    Abstract: Described herein is an electric discharge machining (EDM) assembly having an EDM electrode capable of machining multiple regions of a valve seat within a valve body. The electrode includes two cutting surfaces that are separate from each other. The EDM assembly is capable of removing material from a first region of a valve seat while moving the first cutting surface in a first direction and capable of removing material from a second region while moving the second cutting surface in a second direction.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: January 9, 2018
    Assignee: JRV Holdings, LLC
    Inventors: Robert W. Crawford, Victor R. Solomon