Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391119 | Differential fill valve with collet sleeve | Rajesh Parameshwaraiah, Min Mark Yuan, Lonnie Carl Helms, Mayur Narain Ahuja, Tor Sigve Saetre +1 more | 2022-07-19 |
| 11199071 | Full bore buoyancy assisted casing system | Lonnie Carl Helms, Kevin Wendell Ardoin, Stephen Yeldell, Julio Alberto Cornejo, Frank Acosta +1 more | 2021-12-14 |