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Gregory Curtis Merrifield

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  • Prospect, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing an enclosed proximity switch assembly
    • Patent number 10,003,333
    • Issue date Jun 19, 2018
    • General Equipment and Manufacturing Company, Inc.
    • Robert Lynn LaFountain
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Double pole-double throw proximity switch
    • Patent number 9,368,302
    • Issue date Jun 14, 2016
    • General Equipment and Manufacturing Company
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Quick disconnect connector assembly
    • Patent number 9,202,650
    • Issue date Dec 1, 2015
    • General Equipment and Manufacturing Company, Inc.
    • Gregory Curtis Merrifield
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Double pole-double throw proximity switch
    • Patent number 9,053,880
    • Issue date Jun 9, 2015
    • General Equipment and Manufacturing Company, Inc.
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Enclosed proximity switch assembly
    • Patent number 8,866,571
    • Issue date Oct 21, 2014
    • General Equipment and Manufacturing Company, Inc.
    • Robert Lynn LaFountain
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Proximity switch
    • Patent number 8,766,751
    • Issue date Jul 1, 2014
    • General Equipment and Manufacturing Company, Inc.
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Enclosed proximity switch assembly
    • Patent number 8,593,241
    • Issue date Nov 26, 2013
    • General Equipment and Manufacturing Company, Inc.
    • Gregory C. Merrifield
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Double Pole-Double Throw Proximity Switch
    • Publication number 20160365208
    • Publication date Dec 15, 2016
    • General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    • Robert L. LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DOUBLE POLE-DOUBLE THROW PROXIMITY SWITCH
    • Publication number 20150048910
    • Publication date Feb 19, 2015
    • GENERAL EQUIPMENT AND MANUFACTURING COMPANY., INC.d/b/a TOPWORK, INC.
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ENCLOSED PROXIMITY SWITCH ASSEMBLY
    • Publication number 20150007431
    • Publication date Jan 8, 2015
    • General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    • Robert Lynn LaFountain
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    QUICK DISCONNECT CONNECTOR ASSEMBLY
    • Publication number 20140261794
    • Publication date Sep 18, 2014
    • General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    • Gregory Curtis Merrifield
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DOUBLE POLE-DOUBLE THROW PROXIMITY SWITCH
    • Publication number 20130234814
    • Publication date Sep 12, 2013
    • General Equipment and Manufacturing Company, Inc. ,d/b/a TopWorx, Inc.
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ENCLOSED PROXIMITY SWITCH ASSEMBLY
    • Publication number 20130169391
    • Publication date Jul 4, 2013
    • General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    • Robert Lynn LaFountain
    • G01 - MEASURING TESTING
  • Information Patent Application

    PROXIMITY SWITCH
    • Publication number 20130169388
    • Publication date Jul 4, 2013
    • General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc.
    • Robert Lynn LaFountain
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Enclosed Proximity Switch Assembly
    • Publication number 20130021123
    • Publication date Jan 24, 2013
    • General Equipment and Manufacturing Company, Inc. d/b/a TopWorx, Inc.
    • Gregory C. Merrifield
    • H01 - BASIC ELECTRIC ELEMENTS