DK

David Kim

Schlumberger Technology: 17 patents #295 of 7,293Top 5%
Overall (All Time): #263,035 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12405436 Electrically conductive fiber optic slickline for coiled tubing operations Joseph Varkey, Maria Grisanti, Montie W. Morrison, Burcu Unal Altintas, Sheng Chang 2025-09-02
12321028 Electro-optical wireline cables Joseph Varkey, Maria Grisanti, Ian Mace, Tam Tran 2025-06-03
12242124 Mechanically responsive fiber optic thread assembly Joseph Varkey, Maria Grisanti, Tam Tran, Burcu Unal Altintas 2025-03-04
11776712 Compression and stretch resistant components and cables for oilfield applications Joseph Varkey, Maria Grisanti, Burcu Unal Altintas 2023-10-03
11725468 Electrically conductive fiber optic slickline for coiled tubing operations Joseph Varkey, Maria Grisanti 2023-08-15
11668872 Cladding for an electro-optical device Joseph Varkey, Maria Grisanti, Qingdi Huang 2023-06-06
11335478 Compression and stretch resistant components and cables for oilfield applications Joseph Varkey, Maria Grisanti, Burcu Unai Altintas 2022-05-17
11268329 Electrically conductive fiber optic slickline for coiled tubing operations Joseph Varkey, Maria Grisanti, Montie W. Morrison, Burcu Unai Altintas, Sheng Chang 2022-03-08
11098546 Systems and methods for holding wireline device against well Joseph Varkey, Maria Grisanti, Paul Wanjau, William Brian Underhill, Nicolas Roumilly +1 more 2021-08-24
11072983 Systems and methods for holding wireline device against well Joseph Varkey, Maria Grisanti, Paul Wanjau, William Brian Underhill 2021-07-27
10738577 Methods and cables for use in fracturing zones in a well Joseph Varkey, Paul Wanjau, Maria Grisanti, Sheng Chang, Peter Richter +3 more 2020-08-11
10522271 Compression and stretch resistant components and cables for oilfield applications Joseph Varkey, Maria Grisanti, Burcu Unal Altintas 2019-12-31
10472910 Systems and methods for holding wireline device against well Joseph Varkey, Maria Grisanti, Paul Wanjau, William Brian Underhill 2019-11-12
10215939 Fiber-optic strength member components for use in outer strength member layers Joseph Varkey, Maria Grisanti 2019-02-26
10087717 Dual use cable with fiber optics for use in wellbore operations Joseph Varkey, Willem Wijnberg, Surya Simanjuntak, Sheng Chang, Jushik Yun +2 more 2018-10-02
10049789 Compression and stretch resistant components and cables for oilfield applications Joseph Varkey, Maria Grisanti, Burcu Unal Altintas 2018-08-14
10001613 Methods and cables for use in fracturing zones in a well Joseph Varkey, Paul Wanjau, Maria Grisanti, Sheng Chang 2018-06-19