Lock sequencing system for a blowout preventer
US-12560044-B2 · Feb 24, 2026 · US
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Berthaud Pascal patents
Berthaud Pascal is listed as an inventor on 11 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Berthaud Pascal |
| Total patents | 11 |
| First publication | Sep 8, 2016 |
| Latest publication | Feb 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Lock sequencing system for a blowout preventer
US-2024240535-A1 · Jul 18, 2024 · US
Blowout preventer with reduced fluid volume
US-11629570-B2 · Apr 18, 2023 · US
Blowout preventer with reduced fluid volume
US-2022251918-A1 · Aug 11, 2022 · US
Mud pump sealing assembly
US-10612536-B2 · Apr 7, 2020 · US
Load-balanced mud pump assembly
US-10280910-B2 · May 7, 2019 · US
Self-aligning mud pump assembly
US-10246955-B2 · Apr 2, 2019 · US
Mud pump sealing assembly
US-2018010601-A1 · Jan 11, 2018 · US
Self-aligning mud pump assembly
US-2018010404-A1 · Jan 11, 2018 · US
Load-balanced mud pump assembly
US-2018010590-A1 · Jan 11, 2018 · US
Recent patents
Latest publications not already listed above.
Blowout Preventer with Blade Including Multiple Profiles
US-2016258238-A1 · Sep 8, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cameron Int Corp | 7 |
| Schlumberger Technology Corp | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B21/01 | 6 |
| F04B19/22 | 5 |
| E21B33/06 | 4 |
| F04B15/02 | 4 |
| F05B2230/60 | 4 |