Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428950 | Systems and methods to determine the steering of a bit | Yang Liu, Julien Christian Marck, Kaixiao Tian, Kennedy J. Kirkhope, John Hardin | 2025-09-30 |
| 12359553 | Service improvements using adaptive models derived from classified vibration mechanisms | Reena Agarwal Chanpura, Jeremy Alexander Greenwood | 2025-07-15 |
| 12359556 | Robust linear parameter varying control design for automated curvature cruise | Shahin Tasoujian, Yuanyan Chen, Khunsa Hisham, Vy Pho, Robert P. Darbe | 2025-07-15 |
| 12281562 | Closed loop fully autonomous directional drilling | Min WU, Cili Sun, Robert Alan Friedrich, Bipin K. Pillai, Fernando Costa Oliveira Chagas +2 more | 2025-04-22 |
| 12055031 | Monitoring drilling vibrations based on rotational speed | Zhijie Sun, Ganesh Ramakrishnan | 2024-08-06 |
| 12044117 | Methods for estimating downhole weight on bit and rate of penetration using acceleration measurements | Alexander Keller, Jian Wu, Robert P. Darbe, Julien Christian Marck, Nazli Demirer +3 more | 2024-07-23 |
| 12024992 | Model-based curvature cruise control design | Shahin Tasoujian, Khunsa Hisham, Yuanyan Chen, Robert P. Darbe, Vy Pho | 2024-07-02 |
| 12006813 | Real-time curvature estimation for autonomous directional drilling | Khunsa Hisham, Shahin Tasoujian, Yuanyan Chen, Robert P. Darbe, Vy Pho | 2024-06-11 |
| 11531006 | Methods and systems for characterizing multiple properties of cement using p-waves of multiple frequencies | Siva Rama Krishna Jandhyala, Walmy Cuello Jiminez, Ganesh Shriniwas Pangu, Abhimanyu Pramod Deshpande | 2022-12-20 |
| 11506595 | Non-contact torque sensing | Andrew D. Vos, Dale E. Jamison | 2022-11-22 |
| 11428615 | Active sensor for torque measurement in a viscometer | Bhargav Gajji, Richard Gary Morgan, Subrahmanyam Surya Venkata Sista, Abhhilash Mamilla, Sandeep Mavinkal Kizhakke Veedu +1 more | 2022-08-30 |
| 10821374 | Increasing accuracy of measurements using mud retorts by maximizing recovery of vapors | Richard Gary Morgan, Harmeet Singh Jammu, Andrew D. Vos | 2020-11-03 |
| 10520484 | Aging testing apparatus and use thereof | Jeffrey J. Miller, Andrew D. Vos | 2019-12-31 |
| 10495558 | Multi-surface viscosity measurement | Bhargav Gajji, Richard Gary Morgan, Subrahmanyam Surya Venkata Sista | 2019-12-03 |
| 10444134 | Viscosity measurement | Bhargav Gajji, Richard Gary Morgan, Subrahmanyam Surya Venkata Sista, Chatti Srinivasa Rao | 2019-10-15 |
| 10281381 | Axial flow viscometer | Bhargav Gajji, Richard Gary Morgan, Subrahmanyam Surya Venkata Sista | 2019-05-07 |
| 10088338 | Optical shaft twist angle measurement methods and systems | Bhargav Gajji | 2018-10-02 |
| 10012634 | Displacement measurement cement testing | Kenneth Heidt Matthews, James R. Jones | 2018-07-03 |
| 9939361 | Automated calcimeter systems | Bhargav Gajji, Shawn L. Broussard, Vyacheslav Chernin | 2018-04-10 |
| 9398640 | Digital multi-use thermo-cup | Christopher Ray Bell, Justin T. Loop, Viatcheslav Tchernin | 2016-07-19 |