Rotational winding apparatus and method
US-12553165-B2 · Feb 17, 2026 · US
Annular guiding surfaces; Eyes, e.g. pigtails
Annular guiding surfaces; Eyes, e.g. pigtails · 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 | B65H57/06 |
| Official title | Annular guiding surfaces; Eyes, e.g. pigtails |
| Display label | Annular guiding surfaces; Eyes, e.g. pigtails |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Yarn accumulator unit for a workstation of a textile machine
US-12384649-B2 · Aug 12, 2025 · US
Circular winding apparatus and method
US-2025215626-A1 · Jul 3, 2025 · US
Rotational winding apparatus and method
US-2025215627-A1 · Jul 3, 2025 · US
Universal power cord handling device
US-12334690-B2 · Jun 17, 2025 · US
Endless wire tab for welding wire containers
US-2025121449-A1 · Apr 17, 2025 · US
Workstation of a textile machine and method for monitoring the thread run of a running thread at a workstation of a textile machine
US-2024400341-A1 · Dec 5, 2024 · US
Fiber winding device
US-2024269940-A1 · Aug 15, 2024 · US
Guide ring
US-2024174479-A1 · May 30, 2024 · US
Apparatus for transporting and dispensing wire or cable from a barrel pack
US-11936169-B1 · Mar 19, 2024 · US
Method for laying multiple conductors in a container
US-11858674-B1 · Jan 2, 2024 · US
Universal power cord handling device
US-2023291154-A1 · Sep 14, 2023 · US
Universal power cord handling device
US-11664632-B2 · May 30, 2023 · US
Horizontal wire feed spool delivery system
US-11634298-B2 · Apr 25, 2023 · US
Fiber delivery system
US-2023013361-A1 · Jan 19, 2023 · US
Yarn accumulator unit for a workstation of a textile machine
US-2022396901-A1 · Dec 15, 2022 · US
Universal power cord handling device
US-2022216656-A1 · Jul 7, 2022 · US
Horizontal Wire Feed Spool Delivery System
US-2022119218-A1 · Apr 21, 2022 · US
Method for laying multiple conductors in a container
US-11267598-B1 · Mar 8, 2022 · US
Apparatus and methods for non-contact damping of optical fiber vibration
US-11168757-B2 · Nov 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H57/06?
- CPC B65H57/06 is the Cooperative Patent Classification code for “Annular guiding surfaces; Eyes, e.g. pigtails.”
- How many patents are filed under CPC B65H57/06 (Annular guiding surfaces; Eyes, e.g. pigtails)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC B65H57/06 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).