Ballast water-free vessel using difference in depth of bottom shell plate between bow/stern and midship section and construction method thereof
US-11286020-B2 · Mar 29, 2022 · US
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with means for controlling heeling or rolling motions, or lift, e.g. flaps, by changing geometry, or by ballast displacement
with means for controlling heeling or rolling motions, or lift, e.g. flaps, by changing geometry, or by ballast displacement · 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 | B63B2003/385 |
| Official title | {with means for controlling heeling or rolling motions, or lift, e.g. flaps, by changing geometry, or by ballast displacement} |
| Display label | with means for controlling heeling or rolling motions, or lift, e.g. flaps, by changing geometry, or by ballast displacement |
| Total patents | 5 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2021 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ballast water-free vessel using difference in depth of bottom shell plate between bow/stern and midship section and construction method thereof
US-2021221471-A1 · Jul 22, 2021 · US
Fast ship
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Bilge keel with porous leading edge
US-9238501-B1 · Jan 19, 2016 · US
Fast Ship
US-2015336643-A1 · Nov 26, 2015 · US