Inventor · disambiguated record
Nicholas Ryan Marchand
Also filed as: MARCHAND NICHOLAS · MARCHAND NICHOLAS RYAN
34 granted patents·3 pending applications·106 citations·filing 2008–2025
96Inventor score
Files withNAT OILWELL VARCO LP14NAT OILWELL DHT LP6DRECO ENERGY SERVICES ULC3MARCHAND NICHOLAS RYAN3AMGEN INC2
Top patents by PatentIndex Score
37 records- 0191US10408274B2Universal driveshaft assemblyNAT OILWELL VARCO LP·Filed 2015·Granted Sep 10, 2019·5 cites·22 claims
- 0290US9347269B2Adjustable bend assembly for a downhole motorNAT OILWELL VARCO LP·Filed 2013·Granted May 24, 2016·12 cites·48 claims
- 0388US12385337B2Depth activated downhole adjustable bend assembliesNAT OILWELL VARCO LP·Filed 2022·Granted Aug 12, 2025·1 cites·34 claims
- 0488US9163457B2Pressure compensation system for an oil-sealed mud motor bearing assemblyMARCHAND NICHOLAS·Filed 2011·Granted Oct 20, 2015·7 cites·20 claims
- 0586US8511906B2Oil-sealed mud motor bearing assembly with mud-lubricated off-bottom thrust bearingMARCHAND NICHOLAS·Filed 2011·Granted Aug 20, 2013·13 cites·12 claims
- 0685US10337251B2Downhole adjustable bend assembliesNAT OILWELL DHT LP·Filed 2018·Granted Jul 2, 2019·3 cites·56 claims
- 0782US11149498B2Wired downhole adjustable mud motorsNAT OILWELL DHT LP·Filed 2019·Granted Oct 19, 2021·2 cites·25 claims
- 0882US11002099B2Valves for actuating downhole shock tools in connection with concentric drive systemsNAT OILWELL DHT LP·Filed 2018·Granted May 11, 2021·4 cites·47 claims
- 0982USRE46746EMud-lubricated bearing assembly with mechanical sealNAT OILWELL VARCO LP·Filed 2016·Granted Mar 6, 2018·3 cites·23 claims
- 1081US9963937B2Method and apparatus for controlling downhole rotational rate of a drilling toolDRECO ENERGY SERVICES ULC·Filed 2015·Granted May 8, 2018·4 cites·19 claims
- 1181US2025341138A1Depth activated downhole adjustable bend assembliesNAT OILWELL VARCO LP·Filed 2025·Application pending·0 cites
- 1280US9638362B2Threaded connections with an adjustable secondary shoulderNAT OILWELL VARCO LP·Filed 2014·Granted May 2, 2017·5 cites·14 claims
- 1379US8827562B2Mud-lubricated bearing assembly with mechanical sealNAT OILWELL VARCO LP·Filed 2013·Granted Sep 9, 2014·5 cites·13 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
- 1771US10767683B2Thread profiles for rotary shouldered connectionsDRECO ENERGY SERVICES ULC·Filed 2016·Granted Sep 8, 2020·2 cites·10 claims
- 1870US9683409B2Pressure compensation system for a motor bearing assemblyNAT OILWELL VARCO LP·Filed 2014·Granted Jun 20, 2017·3 cites·19 claims
- 1969US11668136B2Wired downhole adjustable mud motorsNAT OILWELL VARCO LP·Filed 2021·Granted Jun 6, 2023·0 cites·19 claims
- 2069US9534638B2Retention means for a seal boot used in a universal joint in a downhole motor driveshaft assemblyMARCHAND NICHOLAS RYAN·Filed 2010·Granted Jan 3, 2017·6 cites·25 claims
- 2166US11225835B2Downhole adjustable bend assembliesNAT OILWELL DHT LP·Filed 2020·Granted Jan 18, 2022·0 cites·20 claims
- 2265US9518428B2Mechanism for providing controllable angular orientation while transmitting torsional loadDreco Energy Servics ULC·Filed 2013·Granted Dec 13, 2016·3 cites·20 claims
- 2365US8844634B2Circulation sub with indexing mechanismCLAUSEN JEFFERY RONALD·Filed 2008·Granted Sep 30, 2014·8 cites·26 claims
- 2464US11035415B2Universal driveshaft assemblyNAT OILWELL VAREO L P·Filed 2019·Granted Jun 15, 2021·0 cites·15 claims
- 2564US9822587B2Method and apparatus for controlling downhole rotational rate of a drilling toolDRECO ENERGY SERVICES ULC·Filed 2015·Granted Nov 21, 2017·1 cites·11 claims
- 2664US9206647B2Method and apparatus for controlling downhole rotational rate of a drilling toolPRILL JONATHAN RYAN·Filed 2009·Granted Dec 8, 2015·8 cites·25 claims
- 2760US9771757B2Downhole motor with concentric rotary drive systemNAT OILWELL VARCO LP·Filed 2013·Granted Sep 26, 2017·1 cites·33 claims
- 2858US2023287335A1Cell culture media and methods of making and using the sameAMGEN INC·Filed 2021·Application pending·0 cites
- 2957US8500176B2Interlocking engagement mechanism for an adjustable bent housingMARCHAND NICHOLAS RYAN·Filed 2009·Granted Aug 6, 2013·5 cites·27 claims
- 3055US9574401B2Downhole motor with concentric rotary drive systemGREYSTONE TECH PTY LTD·Filed 2013·Granted Feb 21, 2017·1 cites·31 claims
- 3152US10184298B2Adjustable bend assembly for a downhole motorNAT OILWELL VARCO LP·Filed 2016·Granted Jan 22, 2019·0 cites·24 claims
- 3251US9771761B2Torque enhanced threaded connectionMARCHAND NICHOLAS RYAN·Filed 2011·Granted Sep 26, 2017·1 cites·18 claims
- 3349US11629557B2Hybrid bearing assemblies for downhole motorsNAT OILWELL DHT LP·Filed 2019·Granted Apr 18, 2023·0 cites·30 claims
- 3448US9957961B2Concentric rotary fluid machineGREYSTONE TECH PTY LTD·Filed 2014·Granted May 1, 2018·0 cites·21 claims
- 3547US8474527B2Mechanism for providing controllable angular orientation while transmitting torsional loadPRILL JONATHAN RYAN·Filed 2009·Granted Jul 2, 2013·1 cites·15 claims
- 3647US2022396599A1Method for Reduced Aggregate Formation in Downstream Processing of Bispecific Antigen-Binding MoleculesAMGEN INC·Filed 2020·Application pending·0 cites
- 3742US10774875B2Microfluidic-assisted hydrodynamic lubrication system and methodNAT OILWELL VARCO LP·Filed 2016·Granted Sep 15, 2020·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →