Patents by Inventor Patrick J. Pepin

Patrick J. Pepin 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).

  • Storage tank in a pulp processing plant having freeze resistant overflow and over-pressure/under pressure doors
    Publication number: 20030188780
    Abstract: A low pressure tank is disclosed having: an upper section with a sloping surface; a port on the surface; a gable housing covering the port and having a front face oriented generally vertically; an aperture in the front face; a door aligned with and covering the aperture in the front face, and a door hinge above and aligned with the door and horizontally offset from said front face.
    Type: Application
    Filed: March 14, 2003
    Publication date: October 9, 2003
    Inventors: Patrick J. Sullivan, Patrick J. Pepin, Joseph R. Phillips
  • Pressure vessel for a pulp mill having overflow chute
    Publication number: 20020185176
    Abstract: Disclosed is a pressure vessel comprising a pressurized chamber; an overflow chute having an inlet open to an upper level of the chamber, a chute passage extending from the upper level to a lower level, and a chute discharge; wherein the chute passage has a bend to defect a flow in the chute passage before the flow exits the discharge.
    Type: Application
    Filed: May 1, 2002
    Publication date: December 12, 2002
    Inventors: Aaron T. Leavitt, David J. Lebel, Patrick J. Pepin, Helena C. Aguiar, C. Bertil Stromberg, Michael Rutter, Patrick J. Sullivan, Keith W. Flint, James F. Archambault, Leslie A. Rathbun