Inventor
Cassius ELSTON
Inventor
BR
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
12,359,535Continuous choke for downhole valve202512,359,534Safety valve with electrical actuators202512,247,459System and methodology for actuating a downhole device202511,808,110System and methodology for actuating a downhole device202311,739,612Ball valve for improved performance in debris laden environments2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2023–2025Based in BR· patent location history
2023–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 2023–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| BR | 3 | 2023–2025 |
| US | 2 | 2023–2025 |