JR

John D. Roberts

WE Weatherford/Lamb: 14 patents #46 of 852Top 6%
WU Weatherford Holding U.S.: 2 patents #8 of 45Top 20%
📍 Spring, TX: #170 of 2,039 inventorsTop 9%
🗺 Texas: #8,373 of 125,132 inventorsTop 7%
Overall (All Time): #278,950 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
7513305 Apparatus and methods for operating a tool in a wellbore Paul James Wilson, David M. Haugen, Frederick T. Tilton, Ronald Collins, John David +4 more 2009-04-07
7195069 Method and apparatus for backing off a tubular member from a wellbore 2007-03-27
7073580 Inflation tool with real-time temperature and pressure probes Paul James Wilson, Kevin L. Gray, Corey Hoffman 2006-07-11
6886631 Inflation tool with real-time temperature and pressure probes Paul James Wilson, Kevin L. Gray, Corey Hoffman 2005-05-03
6695056 System for forming a window and drilling a sidetrack wellbore David M. Haugen 2004-02-24
6547006 Wellbore liner system Marc Kuck, Thomas F. Bailey, Monte Ira Johnson, Robert E. Robertson, Andrew Arthur Barry +6 more 2003-04-15
6374918 In-tubing wellbore sidetracking operations James R. Longbottom, David M. Haugen, Alex Dawson, David Duguid, Frank Middleton +2 more 2002-04-23
6334487 Valve assembly Courtney W. Adkins, Thurman B. Caarter, William A. Blizzard, Jr., Richard M. Ward 2002-01-01
6209636 Wellbore primary barrier and related systems Jan Drechsler, Tom Salversen, Tom Unsgaard, Eirik Enerstvedt, William A. Blizzard, Jr. +2 more 2001-04-03
6202752 Wellbore milling methods Marc Kuck, Thomas F. Bailey, Monte Ira Johnson, Robert E. Robertson, Andrew Arthur Barry +6 more 2001-03-20
6116336 Wellbore mill system Courtney W. Adkins, Thurman B. Caarter, William A. Blizzard, Jr., Richard M. Ward 2000-09-12
6070665 Wellbore milling Teme Forrest Singleton, Andrew Mark Berry, William Alan Spielman, David M. Haugen, Thomas D. Bailey +3 more 2000-06-06
6070670 Movement control system for wellbore apparatus and method of controlling a wellbore tool Thurman B. Carter, Michael A. Luke 2000-06-06
6039118 Wellbore tool movement control and method of controlling a wellbore tool Thurman B. Carter, Michael A. Luke 2000-03-21
5887655 Wellbore milling and drilling David M. Haugen, William A. Blizzard, Jr., Mark W. Schnitker, Steve R. Delgado, Thurman B. Carter +4 more 1999-03-30
5620051 Whipstock Thurman B. Carter 1997-04-15
5522461 Mill valve Thurman B. Carter 1996-06-04