Inflatable toroidal polyhedron buoyancy tube for a life raft
US-12528565-B2 · Jan 20, 2026 · US
Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like ({non-sinkable swimsuits, drawers or trunks A41D7/001} ; equipment for swimming A63B, e.g. swimming aids {other than life-buoys or life-belts} A63B31/00, {teaching frames for swimming, swimming boards A63B69/14}) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B63C9/08 |
| Official title | Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like ({non-sinkable swimsuits, drawers or trunks A41D7/001} ; equipment for swimming A63B, e.g. swimming aids {other than life-buoys or life-belts} A63B31/00, {teaching frames for swimming, swimming boards A63B69/14}) |
| Display label | Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like ({non-sinkable swimsuits, drawers or trunks A41D7/001} ; equipment for swimming A63B, e.g. swimming aids {other than life-buoys or life-belts} A63B31/00, {teaching frames for swimming, swimming boards A63B69/14}) |
| Total patents | 23 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12528565-B2 · Jan 20, 2026 · US
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