Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247669 | Valve assembly for well systems | James William Weir | 2025-03-11 |
| 11536390 | Slow-shift SPM valve | James Ray Landrith, II, Frank Benjamin Springett, Eric Trevor Ensley, James William Weir, Travis J. Miller | 2022-12-27 |
| 11353124 | Valve assembly for well systems | James William Weir | 2022-06-07 |
| 10337638 | Slow-shift SPM valve | James Ray Landrith, II, Frank Benjamin Springett, Eric Trevor Ensley, James William Weir, Travis J. Miller | 2019-07-02 |
| 9788476 | Pressure control system and method for an agricultural planter | Michael M. Beck, Jerry L. Brinkley, Darwin L. Steffensen | 2017-10-17 |
| 9769977 | Pressure control system and method for an agricultural planter | Michael M. Beck, Jerry L. Brinkley, Darwin L. Steffensen | 2017-09-26 |
| 9462740 | Long distance electronic load sense signal communication for implement control | — | 2016-10-11 |
| 9428994 | Blowout preventer monitor with trigger sensor and method of using same | James Ray Landrith, II, Roger D. Brown, Joseph James Liotta, Eric Trevor Ensley, Christopher Dale Johnson | 2016-08-30 |
| 9357689 | Pressure control system and method for an agricultural planter | Michael M. Beck, Jerry L. Brinkley, Darwin L. Steffensen | 2016-06-07 |
| 7631738 | Fluidly actuated sprag | David P. Smith, Eric Lauterbach, Daniel T. Mather | 2009-12-15 |
| 7497156 | Fluid motor | David P. Smith, Eric Lauterbach, Daniel T. Mather | 2009-03-03 |
| 6220567 | Interlock mechanism for controlling attachment to a work vehicle | — | 2001-04-24 |