Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608702 | Variable blowout preventer apparatus and method | Randall Ferrain Weaver | 2023-03-21 |
| 11603730 | Blowout preventer testing apparatus and method | Randall Ferrain Weaver | 2023-03-14 |
| 10737283 | Fluid separation apparatus and system | Randall Ferrain Weaver, Mark E. Wolf | 2020-08-11 |
| 9670923 | Wiper seal assemblies for a reciprocating pump and methods relating thereto | Randall Ferrain Weaver | 2017-06-06 |
| 8534184 | Replaceable sleeve for a cylinder liner | Andrew Dale Riley | 2013-09-17 |