Inventor · disambiguated record
Bernd-Georg Pietras
Also filed as: PIETRAS BERND · PIETRAS BERND G · PIETRAS BERND-GEORG
69 granted patents·22 pending applications·4,152 citations·filing 1986–2013
99Inventor score
Files withWEATHERFORD LAMB57PIETRAS BERND-GEORG24BOUTWELL JR DOYLE FREDERIC2SHAHIN DAVID2SHELL RES LTD2
Top patents by PatentIndex Score
91 records- 0198US8776898B2Apparatus and methods for wedge lock preventionWEATHERFORD LAMB·Filed 2013·Granted Jul 15, 2014·29 cites·39 claims
- 0298US8708055B2Apparatus and methods for wedge lock preventionWEATHERFORD LAMB·Filed 2013·Granted Apr 29, 2014·29 cites·20 claims
- 0398US7219744B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted May 22, 2007·67 cites·31 claims
- 0498US7137454B2Apparatus for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted Nov 21, 2006·85 cites·32 claims
- 0598US7128161B2Apparatus and methods for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted Oct 31, 2006·79 cites·37 claims
- 0698US6725938B1Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Apr 27, 2004·181 cites·32 claims
- 0798US6688398B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2003·Granted Feb 10, 2004·205 cites·21 claims
- 0898US6527047B1Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Mar 4, 2003·217 cites·18 claims
- 0997US7353880B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2006·Granted Apr 8, 2008·54 cites·24 claims
- 1097US6622796B1Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Sep 23, 2003·158 cites·27 claims
- 1196US8281856B2Torque sub for use with top driveJAHN MICHAEL·Filed 2011·Granted Oct 9, 2012·52 cites·22 claims
- 1296US7874352B2Apparatus for gripping a tubular on a drilling rigWEATHERFORD LAMB·Filed 2006·Granted Jan 25, 2011·80 cites·18 claims
- 1396US7757759B2Torque sub for use with top driveWEATHERFORD LAMB·Filed 2007·Granted Jul 20, 2010·80 cites·19 claims
- 1496US7513300B2Casing running and drilling systemWEATHERFORD LAMB·Filed 2007·Granted Apr 7, 2009·75 cites·37 claims
- 1596US7451826B2Apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2006·Granted Nov 18, 2008·55 cites·23 claims
- 1696US7021374B2Method and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2003·Granted Apr 4, 2006·93 cites·34 claims
- 1796US7004259B2Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2003·Granted Feb 28, 2006·112 cites·38 claims
- 1895US7617866B2Methods and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 2005·Granted Nov 17, 2009·48 cites·28 claims
- 1995US6412554B1Wellbore circulation systemWEATHERFORD LAMB·Filed 2000·Granted Jul 2, 2002·178 cites·23 claims
- 2095US6360633B2Apparatus and method for aligning tubularsWEATHERFORD LAMB·Filed 2001·Granted Mar 26, 2002·144 cites·9 claims
- 2193US7665531B2Apparatus for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2006·Granted Feb 23, 2010·38 cites·53 claims
- 2293US7552775B2Tailing in and stabbing device and methodWEATHERFORD LAMB·Filed 2005·Granted Jun 30, 2009·27 cites·39 claims
- 2393US7213656B2Apparatus and method for facilitating the connection of tubulars using a top driveWEATHERFORD LAMB·Filed 2004·Granted May 8, 2007·75 cites·58 claims
- 2493US6668684B2Tong for wellbore operationsWEATHERFORD LAMB·Filed 2001·Granted Dec 30, 2003·115 cites·25 claims
- 2592US8356675B2Apparatus and methods for tubular makeup interlockWEATHERFORD LAMB·Filed 2010·Granted Jan 22, 2013·19 cites·27 claims
- 2692US7191840B2Casing running and drilling systemWEATHERFORD LAMB·Filed 2004·Granted Mar 20, 2007·100 cites·45 claims
- 2792US7140445B2Method and apparatus for drilling with casingWEATHERFORD LAMB·Filed 2004·Granted Nov 28, 2006·97 cites·35 claims
- 2892US6705405B1Apparatus and method for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Mar 16, 2004·126 cites·14 claims
- 2991US7669662B2Casing feederWEATHERFORD LAMB·Filed 2005·Granted Mar 2, 2010·41 cites·42 claims
- 3091US7090021B2Apparatus for connecting tublars using a top drivePIETRAS BERND-GEORG·Filed 2004·Granted Aug 15, 2006·77 cites·14 claims
- 3191US6082224APower tongWEATHERFORD LAMB·Filed 1997·Granted Jul 4, 2000·78 cites·16 claims
- 3290US8281877B2Method and apparatus for drilling with casingSHAHIN DAVID·Filed 2008·Granted Oct 9, 2012·41 cites·22 claims
- 3388US6814149B2Apparatus and method for positioning a tubular relative to a tongWEATHERFORD LAMB·Filed 2002·Granted Nov 9, 2004·95 cites·33 claims
- 3487US8191641B2Control line running systemBOUTWELL JR DOYLE FREDERIC·Filed 2011·Granted Jun 5, 2012·10 cites·23 claims
- 3587US7028585B2Wrenching tongWEATHERFORD LAMB·Filed 2002·Granted Apr 18, 2006·82 cites·39 claims
- 3687US6976298B1Methods and apparatus for connecting tubulars using a top driveWEATHERFORD LAMB·Filed 1999·Granted Dec 20, 2005·90 cites·24 claims
- 3785US5730471AApparatus for gripping a pipeWEATHERFORD LAMB·Filed 1996·Granted Mar 24, 1998·88 cites·34 claims
- 3884US5390568AAutomatic torque wrenching machineWEATHERFORD LAMB·Filed 1993·Granted Feb 21, 1995·86 cites·15 claims
- 3983US8047283B2Torque sub for use with top driveWEATHERFORD LAMB·Filed 2010·Granted Nov 1, 2011·7 cites·11 claims
- 4082US7090254B1Apparatus and method aligning tubularsPIETRAS BERND-GEORG·Filed 2000·Granted Aug 15, 2006·62 cites·33 claims
- 4181US8863822B2Control line running systemWEATHERFORD LAMB·Filed 2013·Granted Oct 21, 2014·5 cites·20 claims
- 4281US5161438APower tongWEATHERFORD LAMB·Filed 1991·Granted Nov 10, 1992·71 cites·13 claims
- 4380US8496280B2Remotely operated single joint elevatorPIETRAS BERND-GEORG·Filed 2012·Granted Jul 30, 2013·5 cites·13 claims
- 4480US6748823B2Apparatus and method for aligning tubularsWEATHERFORD LAMB·Filed 2002·Granted Jun 15, 2004·53 cites·18 claims
- 4579US8485269B2Control line running systemBOUTWELL JR DOYLE FREDERIC·Filed 2012·Granted Jul 16, 2013·5 cites·25 claims
- 4679US6695559B1Apparatus for delivering a tubular to a wellboreWEATHERFORD LAMB·Filed 1999·Granted Feb 24, 2004·65 cites·13 claims
- 4778US6745646B1Apparatus and method for facilitating the connection of pipesWEATHERFORD LAMB·Filed 2000·Granted Jun 8, 2004·54 cites·19 claims
- 4877US7967073B2Control line running systemWEATHERFORD LAMB·Filed 2008·Granted Jun 28, 2011·12 cites·25 claims
- 4977US6138529AApparatus for gripping a tubular memberWEATHERFORD LAMB·Filed 1998·Granted Oct 31, 2000·74 cites·7 claims
- 5076US7861618B2Wrenching tongWEATHERFORD LAMB·Filed 2006·Granted Jan 4, 2011·14 cites·25 claims
Showing the top 50 of 91 patent records by PatentIndex Score.
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