Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384613 | Wellbore dart with separable and expandable tool activator | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2022-07-12 |
| 11313202 | Systems and methods for controlling fluid flow in a wellbore using a switchable downhole crossover tool | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2022-04-26 |
| 11008838 | Switchable crossover tool with hydraulic transmission | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2021-05-18 |
| 10914133 | Switchable crossover tool with rotatable chamber | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2021-02-09 |
| 10648286 | Methods for cementing a well using a switchable crossover device | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2020-05-12 |
| 10557329 | Systems and methods for controlling fluid flow in a wellbore using a switchable downhole crossover tool with rotatable sleeve | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2020-02-11 |
| 10508505 | Flow-by holes with gallery and channel arrangement on wellhead and tubular hanger | Mayur Mansukh, Daniel Caleb Benson, David L. Ford | 2019-12-17 |
| 10184311 | Wellhead seal assembly with lockdown and slotted arrangement | Mayur Mansukh, Joseph W. Pallini, David L. Ford, Baozhi Zhu | 2019-01-22 |
| 10174574 | Insert for use with wellhead housing having flow-by path | Mayur Mansukh, Daniel Caleb Benson, David L. Ford | 2019-01-08 |
| 9797214 | Casing hanger shoulder ring for lock ring support | Mayur Mansukh, David L. Ford | 2017-10-24 |
| 9765588 | High strength inlay to improve lock-down capacity in a wellhead | Mayur Mansukh, David L. Ford | 2017-09-19 |
| 9732582 | Wellbore sealing with hybrid wicker system | Mayur Mansukh, David L. Ford, Baozhi Zhu, Robert Jen-Yue Du | 2017-08-15 |
| 9695662 | Method and system for retaining a lock ring on a casing hanger | Mayur Mansukh, Joseph W. Pallini, David L. Ford | 2017-07-04 |
| 9683421 | Wellbore sealing assembly with grooves for enhanced sealing and lockdown capacity | Joseph W. Pallini | 2017-06-20 |
| 8566144 | Closed loop voting feedback | Matthew J. Round | 2013-10-22 |
| 8308437 | Wind turbine with auxiliary fins | Bharat Sampathkumaran Bagepalli, Nitin Bhate | 2012-11-13 |
| 8295987 | Systems and methods for performance monitoring and identifying upgrades for wind turbines | Abraham Morales, Nizar Yaghi, Valika Wan, Venkata Subramaniyan | 2012-10-23 |