Winding drum and torsion spring for a winding drum
US-12466693-B2 · Nov 11, 2025 · US
Arrangements or adaptations to avoid movable contacts or rotary couplings, e.g. by the use of an expansion chamber for a lenght of the cord or hose · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65H75/4449 |
| Official title | {Arrangements or adaptations to avoid movable contacts or rotary couplings, e.g. by the use of an expansion chamber for a lenght of the cord or hose} |
| Display label | Arrangements or adaptations to avoid movable contacts or rotary couplings, e.g. by the use of an expansion chamber for a lenght of the cord or hose |
| Total patents | 63 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12466693-B2 · Nov 11, 2025 · US
US-2025256945-A1 · Aug 14, 2025 · US
US-2025210923-A1 · Jun 26, 2025 · US
US-2024430555-A1 · Dec 26, 2024 · US
US-2024349845-A1 · Oct 24, 2024 · US
US-12116237-B1 · Oct 15, 2024 · US
US-12027834-B2 · Jul 2, 2024 · US
US-11903451-B2 · Feb 20, 2024 · US
US-11828446-B2 · Nov 28, 2023 · US
US-2023278826-A1 · Sep 7, 2023 · US
US-2023204197-A1 · Jun 29, 2023 · US
US-2023174340-A1 · Jun 8, 2023 · US
US-2023172317-A1 · Jun 8, 2023 · US
US-11608875-B2 · Mar 21, 2023 · US
US-2023011558-A1 · Jan 12, 2023 · US
US-11419389-B2 · Aug 23, 2022 · US
US-2022166203-A1 · May 26, 2022 · US
US-11298834-B2 · Apr 12, 2022 · US
US-11235947-B2 · Feb 1, 2022 · US
US-2022024714-A1 · Jan 27, 2022 · US
Answers are generated from the same data shown on this page.