Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921689 | Pneumatic biasing of a linear actuator and implementations thereof | James P. McCrickard, Thomas L. Beck | 2011-04-12 |
| 7869978 | Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore | Thmas L. Beck | 2011-01-11 |