Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359545 | Well pump control system and method | — | 2025-07-15 |
| 11221002 | Tandem motor linear rod pump | Andrew J. Hilgers, Michael A. MacDonald, Benjamin J. Gregory | 2022-01-11 |
| 10968904 | Tandem motor linear rod pump | Andrew J. Hilgers, Michael A. MacDonald, Benjamin J. Gregory | 2021-04-06 |
| 10197048 | Tandem motor linear rod pump | Andrew J. Hilgers, Michael A. MacDonald, Benjamin J. Gregory | 2019-02-05 |
| 10156109 | Subterranean pump with pump cleaning mode | Jonathan D. Bender | 2018-12-18 |
| 9689251 | Subterranean pump with pump cleaning mode | Jonathan D. Bender | 2017-06-27 |
| 9528355 | Enhanced oil production using control of well casing gas pressure | James P. McCrickard, Thomas L. Beck, Michael Dry, Theresa Smigura | 2016-12-27 |
| 9494504 | Dual component density sampler apparatus | James P. McCrickard, Thomas L. Beck, Michael A. MacDonald, Michael Dry | 2016-11-15 |
| 9353617 | Apparatus and method of referencing a sucker rod pump | — | 2016-05-31 |
| 8892372 | Estimating fluid levels in a progressing cavity pump system | — | 2014-11-18 |
| 8727749 | Cranked rod pump method | Thomas L. Beck, Michael A. MacDonald, Michael Dry | 2014-05-20 |
| 8708671 | Cranked rod pump apparatus and method | Benjamin J. Gregory, Thomas L. Beck, Michael A. MacDonald, Michael Dry | 2014-04-29 |
| 8668475 | Linear rod pump apparatus and method | Benjamin J. Gregory | 2014-03-11 |
| 8641390 | Linear rod pump apparatus and method | Thomas L. Beck, Robb G. Anderson, Michael A. MacDonald | 2014-02-04 |
| 8555984 | Linear rod pump operating method | Thomas L. Beck, Robb G. Anderson, Michael A. MacDonald | 2013-10-15 |
| 8444393 | Rod pump control system including parameter estimator | Thomas L. Beck, Mark E. Garlow, Theresa Smigura | 2013-05-21 |
| 8384318 | Induction motor torque control in a pumping system | Thomas L. Beck, Michael Dry, Mark E. Garlow, Michael O. Lucas, Michael A. MacDonald | 2013-02-26 |
| 8328536 | Cranked rod pump apparatus | Thomas L. Beck, Michael A. MacDonald, Michael Dry | 2012-12-11 |
| 8152492 | Linear rod pump apparatus and method | Thomas L. Beck, Robb G. Anderson, Michael A. MacDonald | 2012-04-10 |
| 8080950 | Induction motor torque control in a pumping system | Thomas L. Beck, Michael Dry, Mark E. Garlow, Michael O. Lucas, Michael A. MacDonald | 2011-12-20 |
| 7321211 | Power variation control system for cyclic loads | — | 2008-01-22 |
| 7168924 | Rod pump control system including parameter estimator | Thomas L. Beck, Mark E. Garlow, Theresa Smigura | 2007-01-30 |