Inventor · disambiguated record
Jeffery Ronald Clausen
Also filed as: CLAUSEN JEFFERY · CLAUSEN JEFFERY RONALD
27 granted patents·2 pending applications·154 citations·filing 2008–2025
95Inventor score
Files withNAT OILWELL VARCO LP14NAT OILWELL DHT LP8CLAUSEN JEFFERY RONALD2GREYSTONE TECH PTY LTD2CLAUSEN JEFFERY1
Top patents by PatentIndex Score
29 records- 0197US8869916B2Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filterNAT OILWELL VARCO LP·Filed 2013·Granted Oct 28, 2014·38 cites·35 claims
- 0291US9016400B2Downhole rotary drilling apparatus with formation-interfacing members and control systemCLAUSEN JEFFERY·Filed 2011·Granted Apr 28, 2015·26 cites·40 claims
- 0390US9476263B2Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filterNAT OILWELL VARCO LP·Filed 2014·Granted Oct 25, 2016·12 cites·23 claims
- 0488US12385337B2Depth activated downhole adjustable bend assembliesNAT OILWELL VARCO LP·Filed 2022·Granted Aug 12, 2025·1 cites·34 claims
- 0586US10988988B2Drilling systems and hybrid drill bits for drilling in a subterranean formation and methods relating theretoNAT OILWELL DHT LP·Filed 2020·Granted Apr 27, 2021·2 cites·16 claims
- 0685US10337251B2Downhole adjustable bend assembliesNAT OILWELL DHT LP·Filed 2018·Granted Jul 2, 2019·3 cites·56 claims
- 0783US11982173B2Automated systems and methods for controlling the operation of downhole-adjustable motorsNAT OILWELL VARCO LP·Filed 2022·Granted May 14, 2024·2 cites·21 claims
- 0882USD1086150SDisplay screen or portion thereof with a graphical user interfaceNAT OILWELL VARCO LP·Filed 2022·Granted Jul 29, 2025·9 cites·1 claims
- 0982US11149498B2Wired downhole adjustable mud motorsNAT OILWELL DHT LP·Filed 2019·Granted Oct 19, 2021·2 cites·25 claims
- 1082US11002099B2Valves for actuating downhole shock tools in connection with concentric drive systemsNAT OILWELL DHT LP·Filed 2018·Granted May 11, 2021·4 cites·47 claims
- 1181US2025341138A1Depth activated downhole adjustable bend assembliesNAT OILWELL VARCO LP·Filed 2025·Application pending·0 cites
- 1279US8783354B2Apparatus and method for adjusting spring preload in a downhole toolSHEEHAN MARK·Filed 2011·Granted Jul 22, 2014·5 cites·32 claims
- 1378US7814995B2Hydraulic jar and an overpressure relief mechanism thereforNAT OILWELL VARCO LP·Filed 2008·Granted Oct 19, 2010·19 cites·22 claims
- 1477US12209496B2Downhole adjustable bend assembliesNAT OILWELL VARCO LP·Filed 2020·Granted Jan 28, 2025·1 cites·26 claims
- 1575US11952895B2Wired downhole adjustable mud motorsNAT OILWELL VARCO LP·Filed 2023·Granted Apr 9, 2024·0 cites·16 claims
- 1672US10808462B2Downhole adjustable bend assembliesNAT OILWELL DHT LP·Filed 2019·Granted Oct 20, 2020·1 cites·22 claims
- 1772US9488045B2System and method for controlling a downhole toolNAT OILWELL VARCO LP·Filed 2014·Granted Nov 8, 2016·5 cites·21 claims
- 1871US9845648B2Drill bits with variable flow bore and methods relating theretoNAT OILWELL VARCO LP·Filed 2015·Granted Dec 19, 2017·2 cites·17 claims
- 1969US11668136B2Wired downhole adjustable mud motorsNAT OILWELL VARCO LP·Filed 2021·Granted Jun 6, 2023·0 cites·19 claims
- 2066US11225835B2Downhole adjustable bend assembliesNAT OILWELL DHT LP·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 2166US10704330B2Drilling systems and hybrid drill bits for drilling in a subterranean formation and methods relating theretoNAT OILWELL DHT LP·Filed 2014·Granted Jul 7, 2020·2 cites·22 claims
- 2265US8844634B2Circulation sub with indexing mechanismCLAUSEN JEFFERY RONALD·Filed 2008·Granted Sep 30, 2014·8 cites·26 claims
- 2364US8464615B2Safety pipe wrenchSTREATER JAMES ROBERT·Filed 2010·Granted Jun 18, 2013·4 cites·23 claims
- 2460US9771757B2Downhole motor with concentric rotary drive systemNAT OILWELL VARCO LP·Filed 2013·Granted Sep 26, 2017·1 cites·33 claims
- 2560US8863852B2Wired multi-opening circulating subCLAUSEN JEFFERY RONALD·Filed 2008·Granted Oct 21, 2014·6 cites·29 claims
- 2655US9574401B2Downhole motor with concentric rotary drive systemGREYSTONE TECH PTY LTD·Filed 2013·Granted Feb 21, 2017·1 cites·31 claims
- 2749US11629557B2Hybrid bearing assemblies for downhole motorsNAT OILWELL DHT LP·Filed 2019·Granted Apr 18, 2023·0 cites·30 claims
- 2848US9957961B2Concentric rotary fluid machineGREYSTONE TECH PTY LTD·Filed 2014·Granted May 1, 2018·0 cites·21 claims
- 2940US2015060141A1Downhole motor sensing assembly and method of using sameNAT OILWELL VARCO LP·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →