Patents by Inventor Tommaso Cappiello

Tommaso Cappiello 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).

  • Seal assembly for a valve stem
    Patent number: 10359113
    Abstract: A seal assembly for a valve stem comprises an external seal placed on a valve stem facing an external environment; an internal seal placed on the valve stem facing a process environment; the external and internal seals define a chamber for the containment of barrier fluid; the chamber has an inlet configured to be placed into fluid communication with a source of barrier fluid; a detector of the amount of barrier fluid; a pressurizer device for providing the chamber with a positive pressure with respect to the process environment; the pressurizer device is configured to be installed coaxially with the valve stem.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: July 23, 2019
    Assignee: Nuovo Pignone srl
    Inventors: Lorenzo Bergamini, Vincenzo Pietanza, Tommaso Cappiello
  • SEAL ASSEMBLY FOR A VALVE STEM
    Publication number: 20170292606
    Abstract: A seal assembly for a valve stem comprises an external seal placed on a valve stem facing an external environment; an internal seal placed on the valve stem facing a process environment; the external and internal seals define a chamber for the containment of barrier fluid; the chamber has an inlet configured to be placed into fluid communication with a source of barrier fluid; a detector of the amount of barrier fluid; a pressurizer device for providing the chamber with a positive pressure with respect to the process environment; the pressurizer device is configured to be installed coaxially with the valve stem.
    Type: Application
    Filed: November 24, 2015
    Publication date: October 12, 2017
    Inventors: Lorenzo Bergamini, Vincenzo Pietanza, Tommaso Cappiello