Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221846 | Linear grease and hydraulic valve for fracking system maintenance | Joseph O. Beard, Douglas W. Beard | 2025-02-11 |
| 11994153 | Hydraulic control components for oil well blowout preventers | Joseph O. Beard, Douglas W. Beard | 2024-05-28 |
| 11614104 | Hydraulic control components for oil well blowout preventers | Joseph O. Beard, Douglas W. Beard | 2023-03-28 |
| 10934801 | Lockout for hydraulic rotary valve in control system for oil well blow-out preventer | Joseph O. Beard, Douglas W. Beard | 2021-03-02 |
| 9879504 | Modular controller apparatus with integral adjustable pressure regulator for oil well blow-out preventers | Joseph O. Beard | 2018-01-30 |
| 9587454 | Modular actuator and hydraulic valve assemblies and control apparatus for oil well blow-out preventers | Joseph O. Beard | 2017-03-07 |
| 5116017 | Annular sealing element with self-pivoting inserts for blowout preventers | Stanley W. Granger, Joseph O. Beard | 1992-05-26 |
| 5056418 | Self-adjusting automatic locking piston for RAM blowout preventers | Stanley W. Granger, Joseph O. Beard | 1991-10-15 |
| 5044603 | Variable bore ram rubber with non-overlapping inserts | Stanley W. Granger, Joseph O. Beard | 1991-09-03 |
| 4949785 | Force-limiting/wear compensating annular sealing element for blowout preventers | Joseph O. Beard, Stanley W. Granger | 1990-08-21 |
| 4930745 | Variable bore ram rubber | Stanley W. Granger, Joseph O. Beard | 1990-06-05 |
| 4858882 | Blowout preventer with radial force limiter | Joseph O. Beard, Stanley W. Granger | 1989-08-22 |