Patents by Inventor Giovanni Mellone

Giovanni Mellone 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).

  • Centrifugal compressor for high pressure with improved efficiency
    Patent number: 6974304
    Abstract: A centrifugal compressor for high pressure (10) with improved efficiency, of the type comprising a rotor (12), an inner case (14), diffusers (16) and diaphragms (18), wherein the surfaces which are subjected to passage of the flow of gas have been subjected to burnishing working.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: December 13, 2005
    Assignee: Nuovo Pignone Holding S.p.A.
    Inventors: Stefano Mantellassi, Stefano Franchi, Giovanni Mellone
  • Centrifugal compressor for high pressure with improved efficiency
    Publication number: 20040120812
    Abstract: A centrifugal compressor for high pressure (10) with improved efficiency, of the type comprising a rotor (12), an inner case (14), diffusers (16) and diaphragms (18), wherein the surfaces which are subjected to passage of the flow of gas have been subjected to burnishing working.
    Type: Application
    Filed: November 12, 2003
    Publication date: June 24, 2004
    Applicant: NUOVO PIGNONE HOLDING S.p.A.
    Inventors: Stefano Mantellassi, Stefano Franchi, Giovanni Mellone