Flotation device
US-2023202626-A1 · Jun 29, 2023 · US
using solid buoyant material · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B63C9/135 |
| Official title | using solid buoyant material |
| Display label | using solid buoyant material |
| Total patents | 3 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2018 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023202626-A1 · Jun 29, 2023 · US
US-10092794-B2 · Oct 9, 2018 · US
US-2016354639-A1 · Dec 8, 2016 · US