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Michael P. Grimanis

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  • Wayland, 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

    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

    Loading mechanism for fluid seals
    • Patent number 9,657,841
    • Issue date May 23, 2017
    • 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...
  • Information Patent Grant

    Radial seal assembly
    • Patent number 7,806,411
    • Issue date Oct 5, 2010
    • 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...
  • Information Patent Grant

    Dual seal assembly
    • Patent number 6,726,220
    • Issue date Apr 27, 2004
    • A. W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dual seal assembly
    • Patent number 6,386,548
    • Issue date May 14, 2002
    • A. W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing system for reciprocating rod
    • Patent number 5,398,944
    • Issue date Mar 21, 1995
    • A. W. Chesterton Co.
    • G. Christopher D'Alfonso
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Split fitting/seal
    • Patent number 5,368,336
    • Issue date Nov 29, 1994
    • A. W. Chesterton Company
    • Frank R. Van Vleet
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR AUTOMATICALLY ENERGIZING PACKING MATERIAL WIT...
    • Publication number 20240060565
    • Publication date Feb 22, 2024
    • 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

    SYSTEM AND METHOD FOR AUTOMATICALLY ENERGIZING PACKING MATERIAL WIT...
    • Publication number 20200332895
    • Publication date Oct 22, 2020
    • A.W. CHESTERTON COMPANY
    • Henri Vincent AZIBERT
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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...
  • Information Patent Application

    LOADING MECHANISM FOR FLUID SEALS
    • Publication number 20140291937
    • 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

    Radial seal assembly
    • Publication number 20080122181
    • Publication date May 29, 2008
    • 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...
  • Information Patent Application

    Dual seal assembly
    • Publication number 20020175475
    • Publication date Nov 28, 2002
    • A.W. Chesterton Company
    • Michael P. Grimanis
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...