TREA

Thomas Richard

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  • Peabody, MA, US
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Patents Grantslast 30 patents

  • 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

    Non-contacting labyrinth seal assembly
    • Patent number 9,366,340
    • Issue date Jun 14, 2016
    • 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

    RECIPROCATING PLUNGER PUMP WITH BI-DIRECTIONAL MULTI-COMPONENT CRAN...
    • Publication number 20250092949
    • Publication date Mar 20, 2025
    • A.W. CHESTERTON COMPANY
    • Thomas RICHARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NON-CONTACTING LABYRINTH SEAL ASSEMBLY
    • Publication number 20150211639
    • Publication date Jul 30, 2015
    • A.W. CHESTERTON COMPANY
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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...