Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405436 | Electrically conductive fiber optic slickline for coiled tubing operations | Joseph Varkey, David Kim, Maria Grisanti, Burcu Unal Altintas, Sheng Chang | 2025-09-02 |
| 11268329 | Electrically conductive fiber optic slickline for coiled tubing operations | Joseph Varkey, David Kim, Maria Grisanti, Burcu Unai Altintas, Sheng Chang | 2022-03-08 |
| 10487616 | Packoff seals and processes for using same | Joseph Varkey, Jared Mangum, Ramadan Mansour, Sheng Chang, Qingdi Huang +2 more | 2019-11-26 |
| 10354777 | Electrical conductors and processes for making and using same | Joseph Varkey, Willem Wijnberg, Maria Grisanti, Burcu Unal Altintas, Qingdi Huang | 2019-07-16 |
| 9869138 | Methods and apparatus for releasably connecting a cable with a tool | Ricardo Vanegas, Robert Michael Ramsey, L. Michael McKee | 2018-01-16 |
| 9074592 | Deployment of downhole pump using a cable | Joseph Varkey, Barry Lee Schuler | 2015-07-07 |
| 8069879 | Hydrocarbon application hose | Joseph Varkey, Willem Wijnberg, Sheng Chang | 2011-12-06 |
| 7915532 | Enhanced electrical seismic land cable | Joseph Varkey, Byong Un Kim, Jushik Yun, Willem Wijnberg | 2011-03-29 |
| 7730936 | Active cable for wellbore heating and distributed temperature sensing | Vladimir Hernandez-Solis, Willem Wijnberg, Sheng Chang, Joseph Varkey | 2010-06-08 |
| 7699114 | Electro-optic cablehead and methods for oilwell applications | Kalim Ullah, Daniel Hogan | 2010-04-20 |