Filament winding method and filament winding apparatus
US-12466692-B2 · Nov 11, 2025 · US
Covering or wrapping elongated cores
Covering or wrapping elongated cores · 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 | B65H81/06 |
| Official title | Covering or wrapping elongated cores |
| Display label | Covering or wrapping elongated cores |
| Total patents | 31 |
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 | 5 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tape winding method and wire harness
US-2025232897-A1 · Jul 17, 2025 · US
Tape winding method and wire harness
US-2025232898-A1 · Jul 17, 2025 · US
Extension-retraction device
US-12234893-B2 · Feb 25, 2025 · US
Extension-retraction device
US-2024209923-A1 · Jun 27, 2024 · US
Filament winding apparatus
US-11931974-B2 · Mar 19, 2024 · US
Winding device and manufacturing method of wound body
US-11873189-B2 · Jan 16, 2024 · US
Filament winding method and filament winding apparatus
US-2022396452-A1 · Dec 15, 2022 · US
Winding device and manufacturing method of wound body
US-2022259007-A1 · Aug 18, 2022 · US
Winding data creation method and filament winding apparatus
US-2022118723-A1 · Apr 21, 2022 · US
Filament winding apparatus
US-2021402715-A1 · Dec 30, 2021 · US
Convolute tube
US-10836131-B2 · Nov 17, 2020 · US
Tool for fixing a textile sleeve about an elongate member and method of fixing a textile sleeve about an elongate member
US-2019381721-A1 · Dec 19, 2019 · US
Nanomaterial encased transmissive wire
US-2019344994-A1 · Nov 14, 2019 · US
Self-wrapping sleeve and method of construction thereof
US-2019308385-A1 · Oct 10, 2019 · US
Convolute tube
US-2019263082-A1 · Aug 29, 2019 · US
Insulative coating processes for electromagnetic telemetry mandrels
US-9938779-B2 · Apr 10, 2018 · US
Cloth taking-up device
US-9889533-B2 · Feb 13, 2018 · US
Cloth attachment device and cloth attachment method using the same
US-9874769-B2 · Jan 23, 2018 · US
Insulative coating processes for electromagnetic telemetry mandrels
US-2017321492-A1 · Nov 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H81/06?
- CPC B65H81/06 is the Cooperative Patent Classification code for “Covering or wrapping elongated cores.”
- How many patents are filed under CPC B65H81/06 (Covering or wrapping elongated cores)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B65H81/06 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).