Method for chamfering toothed gear
US-12447542-B2 · Oct 21, 2025 · US
with plural tools on a common axis · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23F21/005 |
| Official title | {with plural tools on a common axis} |
| Display label | with plural tools on a common axis |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12447542-B2 · Oct 21, 2025 · US
US-2025121444-A1 · Apr 17, 2025 · US
US-12179278-B2 · Dec 31, 2024 · US
US-2024375244-A1 · Nov 14, 2024 · US
US-2023055299-A1 · Feb 23, 2023 · US
US-2022347774-A1 · Nov 3, 2022 · US
US-2022331892-A1 · Oct 20, 2022 · US
US-10994352-B2 · May 4, 2021 · US
US-10857608-B2 · Dec 8, 2020 · US
US-10688575-B2 · Jun 23, 2020 · US
US-2019381587-A1 · Dec 19, 2019 · US
US-10434590-B2 · Oct 8, 2019 · US
US-10259048-B2 · Apr 16, 2019 · US
US-2019076943-A1 · Mar 14, 2019 · US
US-2018345393-A1 · Dec 6, 2018 · US
US-2018345392-A1 · Dec 6, 2018 · US
US-2018297135-A1 · Oct 18, 2018 · US
US-9993886-B2 · Jun 12, 2018 · US
US-2018093331-A1 · Apr 5, 2018 · US
US-2017197263-A1 · Jul 13, 2017 · US