Issued Patents 2021
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208870 | Flapper valve with beam spring | Abram Serda Galindo, Leo G. Collins, Russell Irving Bayh, III, Jimmie R. Williamson, Jr. | 2021-12-28 |
| 11203917 | Equalizing device for safety valves | Cody Loy Campbell, Jimmie R. Williamson, Jr., Bharat Bajirao Pawar | 2021-12-21 |
| 11193353 | Sliding sleeve well tool with metal-to-metal seal | Jimmie R. Williamson, Jr. | 2021-12-07 |
| 11180974 | Insert safely valve | Jimmie R. Williamson, Jr. | 2021-11-23 |
| 11136861 | Mechanisms for transferring hydraulic regulation from a primary safety valve to a secondary safety valve | Jimmie R. Williamson, Jr., Glenn R. Davis, Robert Arthur Rademaker | 2021-10-05 |
| 11078730 | Pressure equalization apparatus and associated systems and methods | Jimmie R. Williamson, Jr. | 2021-08-03 |
| 11041363 | Safety valve with reversible lockout | — | 2021-06-22 |
| 11035199 | Section-balanced electric safety valve | Bruce Edward Scott | 2021-06-15 |
| 10989020 | Balance line safety valve | — | 2021-04-27 |
| 10954743 | 3D printed tool with integral stress concentration zone | Kevin Robin Passmore, Shaun Wen Jie Ng, Robert Arthur Rademaker | 2021-03-23 |
| 10941634 | Control line pressure controlled safety valve equalization | — | 2021-03-09 |