Inventor · disambiguated record
Russell C. Gilleylen
Also filed as: GILLEYLEN RUSSELL · GILLEYLEN RUSSELL C
16 granted patents·2 pending applications·215 citations·filing 1993–2024
92Inventor score
Files withNAT OILWELL DHT LP8NAT OILWELL VARCO LP7EASTERN OIL TOOLS PTE LTD1SCHLUMBERGER TECHNOLOGY CORP1SETLUR DEEPTHI RAJ1
Top patents by PatentIndex Score
18 records- 0192US11905777B2Downhole friction reduction systems having a flexible agitatorNAT OILWELL VARCO LP·Filed 2022·Granted Feb 20, 2024·2 cites·19 claims
- 0291US9598923B2Downhole pulse generating device for through-bore operationsNAT OILWELL VARCO LP·Filed 2013·Granted Mar 21, 2017·30 cites·22 claims
- 0385US7464765B2Inner guide seal assembly and method for a ram type BOP systemNAT OILWELL DHT LP·Filed 2005·Granted Dec 16, 2008·35 cites·20 claims
- 0484US8919463B2Polycrystalline diamond cutting elementSETLUR DEEPTHI RAJ·Filed 2011·Granted Dec 30, 2014·5 cites·30 claims
- 0579US9981362B2Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elementsNAT OILWELL VARCO LP·Filed 2013·Granted May 29, 2018·4 cites·17 claims
- 0678US5287879AHydraulically energized wireline blowout preventerEASTERN OIL TOOLS PTE LTD·Filed 1993·Granted Feb 22, 1994·76 cites·30 claims
- 0774US7243713B2Shear/seal ram assembly for a ram-type blowout prevention systemNAT OILWELL DHT LP·Filed 2004·Granted Jul 17, 2007·50 cites·24 claims
- 0873US12188320B2Downhole friction reduction systems having a flexible agitatorNAT OILWELL VARCO LP·Filed 2024·Granted Jan 7, 2025·0 cites·20 claims
- 0970US9269199B2Method and system for monitoring downhole assetsNAT OILWELL VARCO LP·Filed 2013·Granted Feb 23, 2016·6 cites·13 claims
- 1066US2019136374A1Cutter Elements for Drill Bits and Methods for Fabricating SameNAT OILWELL DHT LP·Filed 2019·Application pending·0 cites
- 1163US10214812B2Cutter elements for drill bits and methods for fabricating sameNAT OILWELL DHT LP·Filed 2016·Granted Feb 26, 2019·0 cites·19 claims
- 1262US10906104B2Systems and methods of fabrication and use of wear-resistant materialsNAT OILWELL DHT LP·Filed 2017·Granted Feb 2, 2021·0 cites·8 claims
- 1357US2020149353A1Polycrystalline Diamond Cutting ElementNAT OILWELL DHT LP·Filed 2020·Application pending·0 cites
- 1455US10787737B2Downhole drill bit with coated cutting elementNAT OILWELL DHT LP·Filed 2016·Granted Sep 29, 2020·0 cites·20 claims
- 1555US10570667B2Polycrystalline diamond cutting elementNAT OILWELL DHT LP·Filed 2014·Granted Feb 25, 2020·0 cites·15 claims
- 1654US12421811B2Insulated drilling systems and associated methodsNAT OILWELL VARCO LP·Filed 2024·Granted Sep 23, 2025·0 cites·37 claims
- 1732US10815772B2Detection system for a wellsite and method of using sameNAT OILWELL VARCO LP·Filed 2016·Granted Oct 27, 2020·0 cites·20 claims
- 1832US5662312APressurized sheave mechanism for high pressure wireline serviceSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Sep 2, 1997·7 cites·34 claims
Join the waitlist — get patent alerts
Get an alert when Russell C. Gilleylen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →