RG

Russell C. Gilleylen

ND National Oilwell Dht: 7 patents #1 of 91Top 2%
NV National Oilwell Varco: 7 patents #26 of 551Top 5%
EP Eastern Oil Tools Pte: 1 patents #4 of 5Top 80%
Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
📍 Spring, TX: #184 of 2,039 inventorsTop 10%
🗺 Texas: #9,006 of 125,132 inventorsTop 8%
Overall (All Time): #281,189 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
12421811 Insulated drilling systems and associated methods Tony Pink, Andrei Muradov, Nooreldin Moussa 2025-09-23
12188320 Downhole friction reduction systems having a flexible agitator Khoi Q. Trinh 2025-01-07
11905777 Downhole friction reduction systems having a flexible agitator Khoi Q. Trinh 2024-02-20
10906104 Systems and methods of fabrication and use of wear-resistant materials Biju Pillai Kumar, Bradley S. Ivie, Wei Liu, Anil Kumar, Michael Dean Hughes +1 more 2021-02-02
10815772 Detection system for a wellsite and method of using same Darren Mourre, Lance Staudacher, Frank Benjamin Springett 2020-10-27
10787737 Downhole drill bit with coated cutting element Anil Kumar, Rajagopala N. Pillai, Wei Liu 2020-09-29
10570667 Polycrystalline diamond cutting element Deepthi Raj Setlur, Michael Dean Hughes, Mark Jonathan Francis, Harold A. Sreshta, Guodong Zhan +1 more 2020-02-25
10214812 Cutter elements for drill bits and methods for fabricating same Guodong Zhan, Biju Pillai Kumar, Michael Dean Hughes, Xinhua Liang 2019-02-26
9981362 Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elements Guodong Zhan, Sean Matthew Donald, Haresh Ghansyam, James R. Streater, Jr., Adondria M. Parker 2018-05-29
9598923 Downhole pulse generating device for through-bore operations Haresh Ghansyam, James R. Streater, Jr., Deepthi Raj Setlur, Alan Kitching, Shiran Waas +1 more 2017-03-21
9269199 Method and system for monitoring downhole assets Steven D. Laughlin, Haresh Ghansyam, Robert G. Rector 2016-02-23
8919463 Polycrystalline diamond cutting element Deepthi Raj Setlur, Michael Dean Hughes, Mark Jonathan Francis, Harold A. Sreshta, Guodong Zhan +1 more 2014-12-30
7464765 Inner guide seal assembly and method for a ram type BOP system C. Steven Isaacks, Harry P. Hiebeler, Noe Tony Cordova, Jimmy Livingston, Haresh Ghansyam 2008-12-16
7243713 Shear/seal ram assembly for a ram-type blowout prevention system C. Steven Isaacks, Harry P. Hiebeler, Noe Tony Cordova, Jimmy Livingston 2007-07-17
5662312 Pressurized sheave mechanism for high pressure wireline service Henry H. Leggett 1997-09-02
5287879 Hydraulically energized wireline blowout preventer Henry H. Leggett, Lionel M. Gingras 1994-02-22