Inventor · disambiguated record
Rudolph Ernst Krueger, V
Also filed as: KRUEGER RUDOLPH E · KRUEGER RUDOLPH ERNST · KRUEGER V RUDOLPH ERNST
34 granted patents·2 pending applications·1,231 citations·filing 1996–2024
98Inventor score
Technology areasE21B
Files withWESTERN WELL TOOL INC17WWT NORTH AMERICA HOLDINGS INC11BLOOM DUANE2WWT INTERNATIONAL INC2KRUEGER V RUDOLPH ERNST1
Top patents by PatentIndex Score
36 records- 0196US9228403B1Gripper assembly for downhole toolsWWT NORTH AMERICA HOLDINGS INC·Filed 2015·Granted Jan 5, 2016·10 cites·10 claims
- 0295US9988868B2Gripper assembly for downhole toolsWWT NORTH AMERICA HOLDINGS INC·Filed 2015·Granted Jun 5, 2018·7 cites·10 claims
- 0395US8555963B2Gripper assembly for downhole toolsBLOOM DUANE·Filed 2011·Granted Oct 15, 2013·17 cites·9 claims
- 0495US7191829B2Gripper assembly for downhole toolsWESTERN WELL TOOL INC·Filed 2006·Granted Mar 20, 2007·37 cites·25 claims
- 0594US8944161B2Gripper assembly for downhole toolsWWT NORTH AMERICA HOLDINGS INC·Filed 2013·Granted Feb 3, 2015·10 cites·13 claims
- 0694US7275593B2Gripper assembly for downhole toolsWESTERN WELL TOOL INC·Filed 2006·Granted Oct 2, 2007·34 cites·18 claims
- 0794US7156181B2Puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 2006·Granted Jan 2, 2007·36 cites·24 claims
- 0894US7048047B2Gripper assembly for downhole toolsWESTERN WELL TOOL INC·Filed 2003·Granted May 23, 2006·74 cites·26 claims
- 0994US6758279B2Puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 2003·Granted Jul 6, 2004·89 cites·14 claims
- 1094US6640894B2Gripper assembly for downhole toolsWESTERN WELL TOOL INC·Filed 2002·Granted Nov 4, 2003·77 cites·41 claims
- 1194US6464003B2Gripper assembly for downhole tractorsWESTERN WELL TOOL INC·Filed 2001·Granted Oct 15, 2002·85 cites·42 claims
- 1293US10934793B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2018·Granted Mar 2, 2021·5 cites·10 claims
- 1393US8245796B2Tractor with improved valve systemMOCK PHILIP W·Filed 2010·Granted Aug 21, 2012·26 cites·9 claims
- 1493US8061447B2Variable linkage assisted gripperKRUEGER V RUDOLPH ERNST·Filed 2010·Granted Nov 22, 2011·26 cites·23 claims
- 1593US7493967B2Tractor with improved valve systemWESTERN WELL TOOL INC·Filed 2008·Granted Feb 24, 2009·41 cites·12 claims
- 1692US11608699B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2021·Granted Mar 21, 2023·2 cites·18 claims
- 1792US9488020B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2014·Granted Nov 8, 2016·10 cites·32 claims
- 1892US7604060B2Gripper assembly for downhole toolsWESTERN WELL TOOL INC·Filed 2007·Granted Oct 20, 2009·24 cites·23 claims
- 1992US7343982B2Tractor with improved valve systemWESTERN WELL TOOL INC·Filed 2006·Granted Mar 18, 2008·35 cites·23 claims
- 2092US6003606APuller-thruster downhole toolWESTERN WELL TOOL INC·Filed 1996·Granted Dec 21, 1999·184 cites·93 claims
- 2191US7748476B2Variable linkage assisted gripperWWT INTERNATIONAL INC·Filed 2007·Granted Jul 6, 2010·38 cites·31 claims
- 2291US6601652B1Puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 2001·Granted Aug 5, 2003·69 cites·75 claims
- 2390US8069917B2Gripper assembly for downhole toolsBLOOM DUANE·Filed 2009·Granted Dec 6, 2011·23 cites·6 claims
- 2490US7273109B2Puller-thruster downhole toolWESTERN WELL TOOL·Filed 2006·Granted Sep 25, 2007·33 cites·21 claims
- 2589US7059417B2Puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 2004·Granted Jun 13, 2006·57 cites·36 claims
- 2689US6230813B1Method of moving a puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 1998·Granted May 15, 2001·86 cites·19 claims
- 2787US10156107B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2016·Granted Dec 18, 2018·3 cites·13 claims
- 2886US11512578B2Downhole active torque control methodWWT NORTH AMERICA HOLDINGS INC·Filed 2020·Granted Nov 29, 2022·2 cites·15 claims
- 2984US12331605B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2024·Granted Jun 17, 2025·0 cites·10 claims
- 3083US6286592B1Puller-thruster downhole toolWESTERN WELL TOOL INC·Filed 1998·Granted Sep 11, 2001·63 cites·81 claims
- 3178US12024964B2Eccentric linkage gripperWWT NORTH AMERICA HOLDINGS INC·Filed 2023·Granted Jul 2, 2024·0 cites·2 claims
- 3267US9708872B2Clean out subWWT NORTH AMERICA HOLDINGS INC·Filed 2014·Granted Jul 18, 2017·4 cites·20 claims
- 3359US6367366B1Sensor assemblyWESTERN WELL TOOL INC·Filed 2000·Granted Apr 9, 2002·24 cites·21 claims
- 3445US2010038138A1Tractor with improved valve systemWESTERN WELL TOOL INC·Filed 2009·Application pending·0 cites
- 3543US9157277B2Motor saver sub for down hole drilling assembliesWWT INTERNATIONAL INC·Filed 2013·Granted Oct 13, 2015·0 cites·18 claims
- 3635US2011042100A1Wellbore circulation assemblyO'NEAL ERIC·Filed 2010·Application pending·0 cites
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