Aircraft wheel of one-piece structure
US-2025304246-A1 · Oct 2, 2025 · US
characterised by having braking surfaces
characterised by having braking surfaces · 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 | B60B21/08 |
| Official title | characterised by having braking surfaces |
| Display label | characterised by having braking surfaces |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rim for a braked aircraft wheel
US-11970022-B2 · Apr 30, 2024 · US
Braked aircraft wheel
US-2024044387-A1 · Feb 8, 2024 · US
Bicycle wheel component with braking area made of composite material and related manufacturing process
US-11590794-B2 · Feb 28, 2023 · US
Composite rim and reinforced prepreg thereof
US-11541687-B2 · Jan 3, 2023 · US
Assembling structure for tire wheel, brake rotor, and hub
US-11420465-B2 · Aug 23, 2022 · US
Wheel disc brake assembly
US-11338615-B2 · May 24, 2022 · US
Assembled wheel
US-11203229-B2 · Dec 21, 2021 · US
Bicycle rim
US-2021187999-A1 · Jun 24, 2021 · US
Combined wheel
US-10953687-B2 · Mar 23, 2021 · US
Combined wheel
US-10828933-B2 · Nov 10, 2020 · US
Wheel disc brake assembly
US-2020171879-A1 · Jun 4, 2020 · US
Friction apparatus
US-10662588-B2 · May 26, 2020 · US
Bicycle rim with brake track
US-10532610-B2 · Jan 14, 2020 · US
Wear-resistant layer structure of braking track and reinforced prepreg thereof
US-2019358996-A1 · Nov 28, 2019 · US
Assembled wheel
US-2019351703-A1 · Nov 21, 2019 · US
Assembling structure for tire wheel, brake rotor, and hub
US-2019315156-A1 · Oct 17, 2019 · US
Bicycle wheel component with braking area made of composite material and related manufacturing process
US-2019299704-A1 · Oct 3, 2019 · US
Bicycle wheel component with braking area made of composite material and related manufacturing process
US-10369838-B2 · Aug 6, 2019 · US
Combined wheel
US-2019193461-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60B21/08?
- CPC B60B21/08 is the Cooperative Patent Classification code for “characterised by having braking surfaces.”
- How many patents are filed under CPC B60B21/08 (characterised by having braking surfaces)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC B60B21/08 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).