Patents by Inventor Helena C. Aguiar

Helena C. Aguiar 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).

  • 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