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Vijay Kumar Keerthivasan

HS Halliburton Energy Services: 5 patents #1,206 of 4,711Top 30%
GP Grant Prideco: 2 patents #5 of 62Top 9%
IA Interwell Norway As: 1 patents #5 of 15Top 35%
📍 Sandnes, NO: #20 of 289 inventorsTop 7%
Overall (All Time): #600,060 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12392220 Valve and method for multi-stage well stimulation Paul David Busengdal, Tom Rune Koløy 2025-08-19
12352137 Liner hanger running tool Paul David Busengdal, Thorben Linnig, Adam Patterson 2025-07-08
12270273 Stinger for insertion into a polished bore receptacle, production tubing assembly including a stinger, and polished bore receptacle and method for installing production tubing in a well Julio C. Martinez 2025-04-08
10392910 Multi-zone actuation system using wellbore darts Zachary William Walton, Matthew James Merron, Matthew Todd Howell, Ryan Zhe Cong Foong 2019-08-27
10161214 Off-set tubing string segments for selective location of downhole tools Daniel Lorng Yon Wong, Nicholas Kok Jun Sim 2018-12-25
9835004 Multi-zone actuation system using wellbore darts Ryan Zhe Cong Foong, Matthew Todd Howell, Zachary William Walton 2017-12-05
9388666 Locking mechanism for downhole positioning of sleeves Ryan Zhe Cong Foong, Daniel Lorng Yon Wong 2016-07-12
9353600 Resettable remote and manual actuated well tool Ryan Foong Zhe Cong 2016-05-31