Well barrier and release device for use in drilling operations
US-11441398-B2 · Sep 13, 2022 · US
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Patent family 72423279
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 72423279 |
| Family type | — |
| Earliest priority | Mar 12, 2019 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US11441398B2 — Well barrier and release device for use in drilling operations |
Representative publication
Best representative member for this family based on priority and filing country.
US11441398B2 — Well barrier and release device for use in drilling operations (published Sep 13, 2022)
Member publications
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Well barrier and release device for use in drilling operations
US-2020291756-A1 · Sep 17, 2020 · US