Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391119 | Differential fill valve with collet sleeve | Rajesh Parameshwaraiah, Min Mark Yuan, Saul Emmanuel Vazquez Niebla, Lonnie Carl Helms, Tor Sigve Saetre +1 more | 2022-07-19 |
| 11230905 | Buoyancy assist tool with waffle debris barrier | Lonnie Carl Helms, Min Mark Yuan, Ishwar Dilip Patil, Byong Jun Kim, Rajesh Parameshwaraiah | 2022-01-25 |