Offshore drilling vessel
US-10422187-B2 · Sep 24, 2019 · US
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of derricks {, i.e. employing ships' masts}
of derricks {, i.e. employing ships' masts} · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B63B27/04 |
| Official title | of derricks {, i.e. employing ships' masts} |
| Display label | of derricks {, i.e. employing ships' masts} |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drilling vessel and method for operating a drilling vessel adapted to run large diameter casing strings
US-10086917-B2 · Oct 2, 2018 · US
Offshore drilling vessel
US-2018163484-A1 · Jun 14, 2018 · US
Method for riser string handling and an offshore drilling vessel
US-9988856-B2 · Jun 5, 2018 · US
Offshore drilling vessel
US-9920580-B2 · Mar 20, 2018 · US
Method for riser string handling and an offshore drilling vessel
US-2017350195-A1 · Dec 7, 2017 · US
Drilling vessel and method for operating a drilling vessel adapted to run large diameter casing strings
US-2017334528-A1 · Nov 23, 2017 · US
Offshore drilling vessel
US-9796458-B2 · Oct 24, 2017 · US
Method for riser string handling and an offshore drilling vessel
US-9732565-B2 · Aug 15, 2017 · US
Offshore drilling vessel
US-2017073046-A1 · Mar 16, 2017 · US
Method for riser string handling and an offshore drilling vessel
US-2017074049-A1 · Mar 16, 2017 · US
Temperature and pressure monitoring system of sealed derrick structure
US-9377369-B2 · Jun 28, 2016 · US
Polar vessel having a derrick
US-9376199-B2 · Jun 28, 2016 · US
Offshore drilling vessel
US-2016153245-A1 · Jun 2, 2016 · US
Offshore drilling vessel
US-9284025-B2 · Mar 15, 2016 · US
Sealed derrick structure for polar vessels
US-9205894-B2 · Dec 8, 2015 · US
Offshore drilling vessel
US-8992276-B2 · Mar 31, 2015 · US