Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405436 | Electrically conductive fiber optic slickline for coiled tubing operations | Joseph Varkey, David Kim, Maria Grisanti, Montie W. Morrison, Sheng Chang | 2025-09-02 |
| 12242124 | Mechanically responsive fiber optic thread assembly | Joseph Varkey, David Kim, Maria Grisanti, Tam Tran | 2025-03-04 |
| 11776712 | Compression and stretch resistant components and cables for oilfield applications | Joseph Varkey, David Kim, Maria Grisanti | 2023-10-03 |
| 11387014 | Torque-balanced, gas-sealed wireline cables | Joseph Varkey, Sheng Chang, Byong Jun Kim, Jushik Yun | 2022-07-12 |
| 11315706 | Downhole cable and method of making a downhole cable | Joseph Varkey, Dong Yang, Sheng Chang, Qingdi Huang | 2022-04-26 |
| 11158442 | Manufacturing techniques for a jacketed metal line | Joseph Varkey, Jushik Yun, Dong Yang, Sheng Chang, Ramnik Singh | 2021-10-26 |
| 10854354 | Downhole cables and methods of making the same | Joseph Varkey, Sheng Chang, Qingdi Huang, Jeffrey Joseph Kamps, Paul Wanjau | 2020-12-01 |
| 10522271 | Compression and stretch resistant components and cables for oilfield applications | Joseph Varkey, David Kim, Maria Grisanti | 2019-12-31 |
| 10468156 | Cables with polymeric jacket layers | Joseph Varkey, Qingdi Huang, Sheng Chang, Patrick Sladecek, Celso Oliveira +1 more | 2019-11-05 |
| 10354777 | Electrical conductors and processes for making and using same | Joseph Varkey, Willem Wijnberg, Maria Grisanti, Montie W. Morrison, Qingdi Huang | 2019-07-16 |
| 10304589 | Downhole cables and methods of making the same | Joseph Varkey, Sheng Chang, Willem Wijnberg, Qingdi Huang | 2019-05-28 |
| 10297365 | Cables with polymeric jacket layers | Joseph Varkey, Qingdi Huang, Sheng Chang, Patrick Sladecek, Celso Oliveira +1 more | 2019-05-21 |
| 10262770 | Method of making a cable | Joseph Varkey, Dong Yang, Sheng Chang, Qingdi Huang | 2019-04-16 |
| 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, David Kim, Maria Grisanti | 2018-08-14 |
| 10037836 | Slickline manufacturing techniques | Joseph Varkey, Jushik Yun, Dong Yang, Sheng Chang, Ramnik Singh | 2018-07-31 |
| 9859037 | Downhole cables and methods of making the same | Joseph Varkey, Sheng Chang, Willem Wijnberg, Qingdi Huang | 2018-01-02 |
| 9767938 | Cables and methods of making cables | Joseph Varkey, Sheng Chang, Willem Wijnberg, Qingdi Huang, Jushik Yun | 2017-09-19 |
| 9679677 | Cable | Joseph Varkey, Dong Yang, Sheng Chang, Qingdi Huang | 2017-06-13 |
| 9248473 | Polymer-bonded metallic elements used as strength members, and/or power or data carriers in oilfield cables | Joseph Varkey, Jushik Yun, Ricardo Vanegas | 2016-02-02 |