Patents by Inventor John J. Minno

John J. Minno 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).

  • Pump station for radioactive waste water
    Patent number: 6649055
    Abstract: A pump station for transferring radioactive particle containing waste water, includes: (a.) an enclosed sump having a vertically elongated right frusto conical wall surface and a bottom surface and (b.) a submersible volute centrifugal pump having a horizontally rotating impeller and a volute exterior surface. The sump interior surface, the bottom surface and the volute exterior surface are made of stainless steel having a 30 Ra or finer surface finish. A 15 Ra finish has been found to be most cost effective. The pump station is used for transferring waste water, without accumulation of radioactive fines.
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: November 18, 2003
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: John P. Whitton, Dean M. Klos, Danny T. Carrara, John J. Minno