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John A. London

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  • Cornelia, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Two-piece valve stem seal
    • Patent number 9,500,106
    • Issue date Nov 22, 2016
    • Freudenberg-NOK General Partnership
    • Rory S. Pawl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reduced inertia valve stem seal flange
    • Patent number 9,416,690
    • Issue date Aug 16, 2016
    • Freudenberg-NOK General Partnership
    • John A. London
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiple use installation aid for radial shaft seals
    • Patent number 8,918,972
    • Issue date Dec 30, 2014
    • Freudenberg-NOK General Partnership
    • Darin Battles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Low profile valve stem seal in cylinder head
    • Patent number 8,601,991
    • Issue date Dec 10, 2013
    • Freudenberg-NOK General Partnership
    • Rory S. Pawl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal with spiral grooves and mid-lip band
    • Patent number 8,454,025
    • Issue date Jun 4, 2013
    • Freudenberg-NOK General Partnership
    • Sean Donovan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal with spiral grooves and contamination entrapment dams
    • Patent number 8,376,369
    • Issue date Feb 19, 2013
    • Freudenberg-NOK General Partnership
    • John A. London
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multiple use installation aid for radial shaft seals
    • Patent number 8,328,200
    • Issue date Dec 11, 2012
    • Freudenberg-NOK General Partnership
    • Darin Battles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Two-piece shipping cap for a seal
    • Patent number 8,112,887
    • Issue date Feb 14, 2012
    • Freudenberg-NOK General Partnership
    • John A. London
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-piece shipping cap for a seal
    • Patent number 8,028,852
    • Issue date Oct 4, 2011
    • Freudenberg-NOK General Partnership
    • John A. London
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Multiple Use Installation Aid for Radial Shaft Seals
    • Publication number 20130069314
    • Publication date Mar 21, 2013
    • Freudenberg-NOK General Partnership
    • Darin Battles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Low Profile Valve Stem Seal In Cylinder Head
    • Publication number 20130032118
    • Publication date Feb 7, 2013
    • Freudenberg-NOK General Partnership
    • Rory S. Pawl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multiple Use Installation Aid For Radial Shaft Seals
    • Publication number 20110260409
    • Publication date Oct 27, 2011
    • Freudenberg-NOK General Partnership
    • Darin Battles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Seal with Spiral Grooves and Mid-Lip Band
    • Publication number 20110204579
    • Publication date Aug 25, 2011
    • Freudenberg-NOK General Partnership
    • Sean Donovan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Two-Piece Shipping Cap for a Seal
    • Publication number 20110119895
    • Publication date May 26, 2011
    • Freudenberg-NOK General Partnership
    • John A. London
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Reduced Inertia Valve Stem Seal Flange
    • Publication number 20110024666
    • Publication date Feb 3, 2011
    • Freudenberg-NOK General Partnership
    • John A. London
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Two-Piece Valve Stem Seal
    • Publication number 20100295252
    • Publication date Nov 25, 2010
    • Freudenberg-NOK General Partnership
    • Rory S. Pawl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Seal with Spiral Grooves and Contamination Entrapment Dams
    • Publication number 20100219588
    • Publication date Sep 2, 2010
    • Freudenberg-NOK General Partnership
    • John A. London
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Two-Piece Shipping Cap for a Seal
    • Publication number 20090295147
    • Publication date Dec 3, 2009
    • Freudenberg-NOK General Partnership
    • John A. London
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS