Patents Assigned to Extundo Incorporated
  • Device and process for precision loading of particles in a vertical tube chemical reactor
    Patent number: 8166811
    Abstract: A device and method for precision loading and gentle loading of particles into vertical chemical reactor tubes in order to help ensure that the particles are not damaged while being loaded to the desired elevation.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: May 1, 2012
    Assignee: Extundo Incorporated
    Inventor: Clifford L. Johns
  • Device and method for transporting catalyst to a reactor vessel
    Patent number: 8061524
    Abstract: A device and method for transporting and handling catalyst for a chemical reactor.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: November 22, 2011
    Assignee: Extundo Incorporated
    Inventors: Guillermo Camoriano, Clifford L. Johns
  • Device and method for indicating the condition of tubes on a tubesheet
    Patent number: 8063778
    Abstract: A device and method for temporarily plugging and visually identifying the condition of tubes.
    Type: Grant
    Filed: October 9, 2008
    Date of Patent: November 22, 2011
    Assignee: Extundo Incorporated
    Inventors: Clifford L. Johns, Guillermo Camoriano, Bart Nuss