Patents by Inventor Andrea MAFFEZZOLI

Andrea MAFFEZZOLI 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).

  • Ball valve seal
    Patent number: 11448321
    Abstract: A seal for a ball valve comprising a resilient ring defining an engagement feature; a first polymer ring disposed adjacent to a first axial end of the resilient ring and coupled with the engagement feature; and a second polymer ring disposed adjacent to a second axial end of the resilient ring and coupled with the engagement feature.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: September 20, 2022
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Jan Kustermans, Benny Proost, Gabriele Tittonel, Herman M. Dubois, Philippe Burlot, Andrea Maffezzoli, Shabarish Nunna, Andreas Vanvaerenbergh, Filip Rousseau
  • SEAL STACK ASSEMBLY FOR RECIPROCATING PUMP
    Publication number: 20220163118
    Abstract: Systems and methods include providing an annular seal stack for an assembly. The seal stack assembly includes, at least one second annular seal, a spacer disposed axially adjacent to the at least one second annular seal, and a third annular seal disposed axially adjacent to the spacer. The seal stack assembly is disposed between a probe and a housing of the assembly and configured to provide an annular seal between the probe and the housing during operation of the assembly at cryogenic temperatures, during exposure of at least a portion of the seal stack assembly to cryogenic temperatures, during a change in pressure, during a change in temperature, or a combination thereof.
    Type: Application
    Filed: November 23, 2021
    Publication date: May 26, 2022
    Inventors: Andrea Maffezzoli, Herman M. Dubois, Colby Stark, Philippe Burlot, Gino L. Stevenheydens, Christel C. Goy, Xiang Yan
  • METALLIC SEAL FOR VALVE ASSEMBLY
    Publication number: 20210341058
    Abstract: Systems and methods include providing a seal for a valve assembly. The seal includes a metallic annular body having a main body portion, a first sealing leg extending from the main body portion and that provides an axial seal with a component in the valve assembly, and a second sealing leg extending from the main body portion that provides a radial seal with another component of the valve assembly. The seal may also include a sealing ring assembly having a sealing ring support and a sealing ring that forms a radial seal in conjunction with the sealing bumps of the second sealing leg.
    Type: Application
    Filed: May 3, 2021
    Publication date: November 4, 2021
    Inventors: Andrea MAFFEZZOLI, Jan KUSTERMANS, Mark W. ARMITAGE, Dimitri VAN DEN BROECK
  • BALL VALVE SEAL
    Publication number: 20200041002
    Abstract: A seal for a ball valve comprising a resilient ring defining an engagement feature; a first polymer ring disposed adjacent to a first axial end of the resilient ring and coupled with the engagement feature; and a second polymer ring disposed adjacent to a second axial end of the resilient ring and coupled with the engagement feature.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 6, 2020
    Inventors: Jan KUSTERMANS, Benny PROOST, Gabriele TITTONEL, Herman M. DUBOIS, Philippe BURLOT, Andrea MAFFEZZOLI, Shabarish NUNNA, Andreas VANVAERENBERGH, Filip ROUSSEAU