Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 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 | $37,156,000 |
| 10049789 | Compression and stretch resistant components and cables for oilfield applications | Joseph Varkey, David Kim, Maria Grisanti | 2018-08-14 | $77,146,000 |
| 10037836 | Slickline manufacturing techniques | Joseph Varkey, Jushik Yun, Dong Yang, Sheng Chang, Ramnik Singh | 2018-07-31 | $51,084,000 |
| 9859037 | Downhole cables and methods of making the same | Joseph Varkey, Sheng Chang, Willem Wijnberg, Qingdi Huang | 2018-01-02 | $238,468,000 |