William M. Roberts

Person

  • Tomball, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Ball seat sub

    • Patent number 8,074,718
    • Issue date Dec 13, 2011
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drillable bridge plug

    • Patent number 8,047,280
    • Issue date Nov 1, 2011
    • Smith International, Inc.
    • Lap T. Tran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drillable bridge plug

    • Patent number 7,980,300
    • Issue date Jul 19, 2011
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drillable bridge plug

    • Patent number 7,810,558
    • Issue date Oct 12, 2010
    • Smith International, Inc.
    • Piro Shkurti
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Permanent anchoring device

    • Patent number 7,665,516
    • Issue date Feb 23, 2010
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Secondary lock for a downhole tool

    • Patent number 7,455,118
    • Issue date Nov 25, 2008
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drillable bridge plug

    • Patent number 7,424,909
    • Issue date Sep 16, 2008
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mill and pump-off sub

    • Patent number 7,325,631
    • Issue date Feb 5, 2008
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Torsional resistant slip mechanism and method

    • Patent number 7,216,700
    • Issue date May 15, 2007
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Assembly and floatation method for drilling drivepipe

    • Patent number 6,715,962
    • Issue date Apr 6, 2004
    • Smith International, Inc.
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Assembly and method for jarring a drilling drive pipe into undersea...

    • Patent number 6,626,248
    • Issue date Sep 30, 2003
    • Smith International, Inc.
    • Billy J. Roberts
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    High pressure permanent packer

    • Patent number 6,564,871
    • Issue date May 20, 2003
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Scoop for use with an anchor system for supporting a whipstock

    • Patent number 6,305,474
    • Issue date Oct 23, 2001
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole packer system

    • Patent number 6,164,377
    • Issue date Dec 26, 2000
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jar enhancer

    • Patent number 5,918,689
    • Issue date Jul 6, 1999
    • Houston Engineers, Inc.
    • Bill J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic jar

    • Patent number 5,595,244
    • Issue date Jan 21, 1997
    • Houston Engineers, Inc.
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic jar

    • Patent number 5,447,196
    • Issue date Sep 5, 1995
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jar enhancer

    • Patent number 5,431,221
    • Issue date Jul 11, 1995
    • Houston Engineers, Inc.
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jar enhancer

    • Patent number 5,425,430
    • Issue date Jun 20, 1995
    • Houston Engineers, Inc.
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Constant velocity universal joint assembly for downhole motor

    • Patent number 5,288,271
    • Issue date Feb 22, 1994
    • Houston Engineers, Inc.
    • Sharon P. Nelson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic jar

    • Patent number 5,174,393
    • Issue date Dec 29, 1992
    • Houston Engineers, Inc.
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILLABLE BRIDGE PLUG

    • Publication number 20100326650
    • Publication date Dec 30, 2010
    • Smith International, Inc.
    • Lap T. Tran
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BALL SEAT SUB

    • Publication number 20100084146
    • Publication date Apr 8, 2010
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLABLE BRIDGE PLUG

    • Publication number 20080308266
    • Publication date Dec 18, 2008
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PERMANENT ANCHORING DEVICE

    • Publication number 20080264627
    • Publication date Oct 30, 2008
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLABLE BRIDGE PLUG

    • Publication number 20080190600
    • Publication date Aug 14, 2008
    • Smith International, Inc.
    • Piro Shkurti
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Secondary lock for a downhole tool

    • Publication number 20070227745
    • Publication date Oct 4, 2007
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mill and pump-off sub

    • Publication number 20070023188
    • Publication date Feb 1, 2007
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Drillable bridge plug

    • Publication number 20050189103
    • Publication date Sep 1, 2005
    • Smith International, Inc.
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Torsional resistant slip mechanism and method

    • Publication number 20030150607
    • Publication date Aug 14, 2003
    • William M. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Assembly and floatation method for drilling drivepipe

    • Publication number 20010030045
    • Publication date Oct 18, 2001
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Assembly and floatation method for drilling drivepipe and jarring s...

    • Publication number 20010027878
    • Publication date Oct 11, 2001
    • Billy J. Roberts
    • E21 - EARTH DRILLING MINING