Wellbore annular safety valve and method
US-10174582-B2 · Jan 8, 2019 · US
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Patent family 51167397
This patent family groups 2 related publications across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 51167397 |
| Family type | — |
| Earliest priority | Jan 11, 2013 |
| First filing country | US |
| Member publications | 2 |
| Countries | US |
| Representative publication | US10174582B2 — Wellbore annular safety valve and method |
Representative publication
Best representative member for this family based on priority and filing country.
US10174582B2 — Wellbore annular safety valve and method (published Jan 8, 2019)
Member publications
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Wellbore annular safety valve and method
US-2015354315-A1 · Dec 10, 2015 · US