Positioning and rescue device for unmanned underwater vehicle
US-12420897-B2 · Sep 23, 2025 · US
Refloating stranded vessels · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B63C7/28 |
| Official title | Refloating stranded vessels |
| Display label | Refloating stranded vessels |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2022 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12420897-B2 · Sep 23, 2025 · US
US-2023031851-A1 · Feb 2, 2023 · US
US-11525357-B2 · Dec 13, 2022 · US
US-2022251955-A1 · Aug 11, 2022 · US