Patents by Inventor Franco Rispoli

Franco Rispoli 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).

  • Impeller assembly for centrifugal pumps
    Patent number: 10626880
    Abstract: An impeller assembly for centrifugal pumps has two disk members that have different diameters, are arranged coaxially to a rotation axis and face each other so as to form an interspace; blades are radially arranged in the interspace; the two disk members are also centrally provided with a fastening means for fastening to a transmission shaft, which rotates about the rotation axis. The particularity of the present invention resides in having contoured vanes that protrude radially from the peripheral region of the disk member that has the smallest diameter and are arranged substantially at the blades.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: April 21, 2020
    Assignee: Ebara Corporation
    Inventors: Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo, Mariano Matteazzi, Lucio Cardillo, Alessandro Corsini, Giovanni Delibra, Franco Rispoli
  • IMPELLER ASSEMBLY FOR CENTRIFUGAL PUMPS
    Publication number: 20170260992
    Abstract: An impeller assembly for centrifugal pumps has two disk members that have different diameters, are arranged coaxially to a rotation axis and face each other so as to form an interspace; blades are radially arranged in the interspace; the two disk members are also centrally provided with a fastening means for fastening to a transmission shaft, which rotates about the rotation axis. The particularity of the present invention resides in having contoured vanes that protrude radially from the peripheral region of the disk member that has the smallest diameter and are arranged substantially at the blades.
    Type: Application
    Filed: October 8, 2015
    Publication date: September 14, 2017
    Applicant: Ebara Corporation
    Inventors: Masashi OBUCHI, So KUROIWA, Dai SAKIHAMA, Renato GROPPO, Fabio BALBO, Mariano MATTEAZZI, Lucio CARDILLO, Alessandro CORSINI, Giovanni DELIBRA, Franco RISPOLI
  • Impeller for a pump
    Patent number: D776166
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: January 10, 2017
    Assignee: EBARA CORPORATION
    Inventors: Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo, Mariano Matteazzi, Lucio Cardillo, Alessandro Corsini, Giovanni Delibra, Franco Rispoli
  • Impeller for pumps
    Patent number: D791841
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: July 11, 2017
    Assignee: EBARA CORPORATION
    Inventors: Masashi Obuchi, So Kuroiwa, Dai Sakihama, Renato Groppo, Fabio Balbo, Mariano Matteazzi, Lucio Cardillo, Alessandro Corsini, Giovanni Delibra, Franco Rispoli