Cubic boron nitride sintered material and tool
US-2026015291-A1 · Jan 15, 2026 · US
using carbon · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C22C1/055 |
| Official title | using carbon |
| Display label | using carbon |
| Total patents | 32 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026015291-A1 · Jan 15, 2026 · US
US-12351753-B2 · Jul 8, 2025 · US
US-12344921-B2 · Jul 1, 2025 · US
US-2025027189-A1 · Jan 23, 2025 · US
US-12171913-B2 · Dec 24, 2024 · US
US-2024254598-A1 · Aug 1, 2024 · US
US-2024165713-A1 · May 23, 2024 · US
US-11920223-B2 · Mar 5, 2024 · US
US-2023123864-A1 · Apr 20, 2023 · US
US-11504768-B2 · Nov 22, 2022 · US
US-2022325389-A1 · Oct 13, 2022 · US
US-11389878-B2 · Jul 19, 2022 · US
US-11248279-B2 · Feb 15, 2022 · US
US-11174538-B2 · Nov 16, 2021 · US
US-11014155-B2 · May 25, 2021 · US
US-10961606-B2 · Mar 30, 2021 · US
US-10961609-B2 · Mar 30, 2021 · US
US-10940532-B2 · Mar 9, 2021 · US
US-2020398348-A1 · Dec 24, 2020 · US
US-2020370146-A1 · Nov 26, 2020 · US
Answers are generated from the same data shown on this page.