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Ward S. Merrick, III

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  • Edmond, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety clamp for walking beam compressor
    • Patent number 8,136,586
    • Issue date Mar 20, 2012
    • Oil Flow USA, Inc.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stuffing box for walking beam compressor
    • Patent number 8,047,820
    • Issue date Nov 1, 2011
    • Oil Flow USA, Inc.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Safety clamp for walking beam compressor
    • Patent number 7,730,939
    • Issue date Jun 8, 2010
    • Oil Flow USA, Inc.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    STUFFING BOX FOR WALKING BEAM COMPRESSOR
    • Publication number 20120001363
    • Publication date Jan 5, 2012
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Safety Clamp for Walking Beam Compressor
    • Publication number 20100202906
    • Publication date Aug 12, 2010
    • OIL FLOW USA, INC.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SAFETY CLAMP FOR WALKING BEAM COMPRESSOR
    • Publication number 20090246037
    • Publication date Oct 1, 2009
    • OIL FLOW USA, INC.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STUFFING BOX FOR WALKING BEAM COMPRESSOR
    • Publication number 20090243223
    • Publication date Oct 1, 2009
    • OIL FLOW USA, INC.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COATED CYLINDER FOR WALKING BEAM COMPRESSOR
    • Publication number 20090246049
    • Publication date Oct 1, 2009
    • OIL FLOW USA, INC.
    • Ward S. Merrick, III
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...