Vessel
US-11332226-B2 · May 17, 2022 · US
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Propeller-shaft tunnels
Propeller-shaft tunnels · 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 | B63B11/06 |
| Official title | Propeller-shaft tunnels |
| Display label | Propeller-shaft tunnels |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Compliant shaft enclosure support system to limit rotation
US-11193526-B1 · Dec 7, 2021 · US
Vessel
US-2021107613-A1 · Apr 15, 2021 · US
Floor device capable of up-down movement for vessels
US-9340268-B2 · May 17, 2016 · US
Floor device capable of up-down movement for vessels
US-2015321741-A1 · Nov 12, 2015 · US