Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404726 | Distributed sensing with tubing encased conductors (TEC) | Michael Linley Fripp, Joachim Pihl | 2025-09-02 |
| 12338729 | Indicating position of a moving mechanism of well site tools | Ravi Sharad Vayeda, Ziquan Wang, Paul Gregory James | 2025-06-24 |
| 12169263 | Sensor assembly for wireless transfer of data and power in a wellbore | Paul Gregory James, Ravi Sharad Vayeda | 2024-12-17 |
| 11668410 | Valve position sensing using acoustics | Ravi Sharad Vayeda, Ziquan Wang, Paul Gregory James | 2023-06-06 |
| 11359481 | Indicating position of a moving mechanism of well site tools | Ravi Sharad Vayeda, Ziquan Wang, Paul Gregory James | 2022-06-14 |
| 11293278 | Valve position sensing using electric and magnetic coupling | Paul Gregory James, Ziquan Wang, Ravi Sharad Vayeda | 2022-04-05 |
| 11125078 | Feedback signaling from downhole tools | Michael John Christie | 2021-09-21 |
| 10497237 | Security tag for inventory and anti-theft alarm system | — | 2019-12-03 |
| 10480283 | Electric sub-surface safety valve (ESSSV) | Bruce Edward Scott, Wesley Irvin Clow, Aswin Balasubramanian | 2019-11-19 |
| 9836934 | Security tag for inventory and anti-theft alarm system | — | 2017-12-05 |
| 9328537 | Inventory and anti-theft alarm system | — | 2016-05-03 |
| 9007214 | Security tag with display and price changing system | — | 2015-04-14 |
| 8995907 | Data communication system | — | 2015-03-31 |
| 8947235 | Inventory and anti-theft alarm system | — | 2015-02-03 |
| 8669873 | Inventory and anti-theft alarm system | — | 2014-03-11 |
| RE42734 | Biometric identification and security system associated with cash register | — | 2011-09-27 |
| 7197320 | System for managing traffic patterns using cellular telephones | — | 2007-03-27 |
| 6883709 | Biometric identification and security system associated with cash register | — | 2005-04-26 |
| 5940808 | Display against inventory verification system | — | 1999-08-17 |
| 5878401 | Sales and inventory method and apparatus | — | 1999-03-02 |
| 5635906 | Retail store security apparatus | — | 1997-06-03 |