Working machine
US-12589516-B2 · Mar 31, 2026 · US
Transmission clutches specially designed for chain saws · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B27B17/10 |
| Official title | Transmission clutches specially designed for chain saws |
| Display label | Transmission clutches specially designed for chain saws |
| Total patents | 32 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12589516-B2 · Mar 31, 2026 · US
US-2025367849-A1 · Dec 4, 2025 · US
US-2025222619-A1 · Jul 10, 2025 · US
US-2025121527-A1 · Apr 17, 2025 · US
US-12251812-B2 · Mar 18, 2025 · US
US-2024399608-A1 · Dec 5, 2024 · US
US-12145289-B2 · Nov 19, 2024 · US
US-2023415322-A1 · Dec 28, 2023 · US
US-2023398712-A1 · Dec 14, 2023 · US
US-2023356427-A1 · Nov 9, 2023 · US
US-11679525-B2 · Jun 20, 2023 · US
US-2021339421-A1 · Nov 4, 2021 · US
US-2021086394-A1 · Mar 25, 2021 · US
US-10914245-B2 · Feb 9, 2021 · US
US-10882206-B2 · Jan 5, 2021 · US
US-2020269409-A1 · Aug 27, 2020 · US
US-10648415-B2 · May 12, 2020 · US
US-10625354-B2 · Apr 21, 2020 · US
US-2019366580-A1 · Dec 5, 2019 · US
US-10436135-B2 · Oct 8, 2019 · US
Answers are generated from the same data shown on this page.