Blowout preventer shut-in assembly of last resort
US-9976375-B2 · May 22, 2018 · US
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Patent family 48279521
This patent family groups 1 related publication across US. Members often share priority claims or equivalent filings in different countries.
| Field | Value |
|---|---|
| Family ID | 48279521 |
| Family type | — |
| Earliest priority | Nov 10, 2011 |
| First filing country | US |
| Member publications | 1 |
| Countries | US |
| Representative publication | US9976375B2 — Blowout preventer shut-in assembly of last resort |
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US9976375B2 — Blowout preventer shut-in assembly of last resort (published May 22, 2018)
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