Inventor · disambiguated record
John D. Roberts
Also filed as: ROBERTS JOHN · ROBERTS JOHN D · ROBERTS JOHN DOUGLAS
17 granted patents·1,020 citations·filing 1995–2004
96Inventor score
Technology areasE21B
Top patents by PatentIndex Score
17 records- 0196US5887655AWellbore milling and drillingWEATHERFORD LAMB·Filed 1997·Granted Mar 30, 1999·279 cites·31 claims
- 0286US6695056B2System for forming a window and drilling a sidetrack wellboreWEATHERFORD LAMB·Filed 2002·Granted Feb 24, 2004·75 cites·30 claims
- 0382US6209636B1Wellbore primary barrier and related systemsWEATHERFORD LAMB·Filed 1999·Granted Apr 3, 2001·102 cites·54 claims
- 0481US6886631B2Inflation tool with real-time temperature and pressure probesWEATHERFORD LAMB·Filed 2002·Granted May 3, 2005·53 cites·37 claims
- 0579US6202752B1Wellbore milling methodsWEATHERFORD LAMB·Filed 1999·Granted Mar 20, 2001·91 cites·15 claims
- 0679US6116336AWellbore mill systemWEATHERFORD LAMB·Filed 1997·Granted Sep 12, 2000·71 cites·24 claims
- 0777US7073580B2Inflation tool with real-time temperature and pressure probesWEATHERFORD LAMB·Filed 2004·Granted Jul 11, 2006·40 cites·6 claims
- 0872US6070670AMovement control system for wellbore apparatus and method of controlling a wellbore toolWEATHERFORD LAMB·Filed 1998·Granted Jun 6, 2000·68 cites·25 claims
- 0968US6039118AWellbore tool movement control and method of controlling a wellbore toolWEATHERFORD LAMB·Filed 1997·Granted Mar 21, 2000·57 cites·30 claims
- 1067US6334487B1Valve assemblyFiled 2000·Granted Jan 1, 2002·29 cites·32 claims
- 1161US6070665AWellbore millingWEATHERFORD LAMB·Filed 1998·Granted Jun 6, 2000·42 cites·18 claims
- 1260US6547006B1Wellbore liner systemWEATHERFORD LAMB·Filed 2000·Granted Apr 15, 2003·19 cites·33 claims
- 1352US7513305B2Apparatus and methods for operating a tool in a wellboreWEATHERFORD LAMB·Filed 2004·Granted Apr 7, 2009·14 cites·35 claims
- 1450US5522461AMill valveWEATHERFORD US INC·Filed 1995·Granted Jun 4, 1996·22 cites·15 claims
- 1549US5620051AWhipstockWEATHERFORD US INC·Filed 1996·Granted Apr 15, 1997·21 cites·20 claims
- 1647US7195069B2Method and apparatus for backing off a tubular member from a wellboreWEATHERFORD LAMB·Filed 2003·Granted Mar 27, 2007·10 cites·43 claims
- 1745US6374918B2In-tubing wellbore sidetracking operationsWEATHERFORD LAMB·Filed 1999·Granted Apr 23, 2002·27 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →