TREA

Joseph K. Kaleshian

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  • Burlington, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Split polymer labyrinth seal assembly
    • Patent number 12,060,803
    • Issue date Aug 13, 2024
    • A.W. CHESTERTON COMPANY
    • Michael P. Grimanis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Elastomer spring type mechanical seal
    • Patent number 12,000,489
    • Issue date Jun 4, 2024
    • A.W. CHESTERTON COMPANY
    • Henri Vincent Azibert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Matrix split rotary seal
    • Patent number 10,473,221
    • Issue date Nov 12, 2019
    • A.W. CHESTERTON COMPANY
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Elastomer spring mechanical seal
    • Patent number 7,708,285
    • Issue date May 4, 2010
    • A.W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite rotary seal assembly
    • Patent number 7,543,822
    • Issue date Jun 9, 2009
    • A.W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    TEMPERATURE COMPENSATING BIMETALLIC SPRING ENERGIZED MECHANICAL SEAL
    • Publication number 20250116352
    • Publication date Apr 10, 2025
    • A.W. CHESTERTON COMPANY
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MECHANICAL SEAL MATING RING WITH DIRECT THERMAL CONTROL
    • Publication number 20240167569
    • Publication date May 23, 2024
    • A.W. CHESTERTON COMPANY
    • Joseph K. KALESHIAN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELASTOMER SPRING TYPE MECHANICAL SEAL
    • Publication number 20230258267
    • Publication date Aug 17, 2023
    • A.W. CHESTERTON COMPANY
    • Henri Vincent Azibert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SPLIT POLYMER LABYRINTH SEAL ASSEMBLY
    • Publication number 20230016933
    • Publication date Jan 19, 2023
    • A.W. CHESTERTON COMPANY
    • Michael P. Grimanis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MATRIX SPLIT ROTARY SEAL
    • Publication number 20140291936
    • Publication date Oct 2, 2014
    • A.W. CHESTERTON COMPANY
    • Michael P. GRIMANIS
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Elastomer spring mechanical seal
    • Publication number 20070090605
    • Publication date Apr 26, 2007
    • A.W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Composite rotary seal assembly
    • Publication number 20060006605
    • Publication date Jan 12, 2006
    • A.W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...