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Stephen J Anderson

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  • Storm Lake, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Double poppet check valve for low and high flow rates
    • Patent number 11,306,839
    • Issue date Apr 19, 2022
    • Stephen J. Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump control switch
    • Patent number 10,197,051
    • Issue date Feb 5, 2019
    • Stephen J Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Freeze proof sanitary yard hydrant
    • Patent number 9,085,878
    • Issue date Jul 21, 2015
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Yard hydrant with improved valve
    • Patent number 8,408,238
    • Issue date Apr 2, 2013
    • Stephen J Anderson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Tank tee unit
    • Patent number 5,678,865
    • Issue date Oct 21, 1997
    • Merrill Manufacturing Company, Inc.
    • Stephen J. Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Yard hydrant
    • Patent number 5,289,840
    • Issue date Mar 1, 1994
    • Merrill Manufacturing Company, Inc.
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Yard hydrant
    • Patent number 5,261,441
    • Issue date Nov 16, 1993
    • Merrill Manufacturing Company, Inc.
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Yard hydrant
    • Patent number 4,372,339
    • Issue date Feb 8, 1983
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

  • Information Patent Application

    WALL FAUCET ASSEMBLY
    • Publication number 20240368861
    • Publication date Nov 7, 2024
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    WALL FAUCET ASSEMBLY
    • Publication number 20240368862
    • Publication date Nov 7, 2024
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    ADAPTOR FOR USE BETWEEN A STOP VALVE AND EXTENSION WRENCH
    • Publication number 20220297269
    • Publication date Sep 22, 2022
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pump Control Switch
    • Publication number 20160281703
    • Publication date Sep 29, 2016
    • Merrill Manufacturing Company
    • Stephen J Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Freeze Proof Sanitary Yard Hydrant
    • Publication number 20150129052
    • Publication date May 14, 2015
    • Merrill Manufacturing Company
    • Stephen J. Anderson
    • E03 - WATER SUPPLY SEWERAGE