Floor device capable of up-down movement for vessels
US-9340268-B2 · May 17, 2016 · US
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Hatches; Hatchways (hatch coamings B63B3/54)
Hatches; Hatchways (hatch coamings B63B3/54) · 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 | B63B19/12 |
| Official title | Hatches; Hatchways (hatch coamings B63B3/54) |
| Display label | Hatches; Hatchways (hatch coamings B63B3/54) |
| Total patents | 2 |
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 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Floor device capable of up-down movement for vessels
US-2015321741-A1 · Nov 12, 2015 · US