Winding needle assembly, winding apparatus, production device, and method for winding electrode assemblies
US-2026001737-A1 · Jan 1, 2026 · US
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Interior-supporting
Interior-supporting · 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 | B65H18/04 |
| Official title | Interior-supporting |
| Display label | Interior-supporting |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mandrel unit, jellyroll forming method, electrode assembly, and secondary battery
US-2025273725-A1 · Aug 28, 2025 · US
Material strip processing system
US-12139357-B2 · Nov 12, 2024 · US
Winding needle sleeve, battery unit, battery, power consuming device, and winding device
US-2023327175-A1 · Oct 12, 2023 · US
Material Strip Processing System
US-2022289510-A1 · Sep 15, 2022 · US
Method and apparatus for producing coreless rolls of paper
US-11383947-B2 · Jul 12, 2022 · US
Compressed coreless roll of sheet product having a center indicator
US-11352229-B2 · Jun 7, 2022 · US
Compressed coreless roll of sheet product having a center indicator
US-2021395032-A1 · Dec 23, 2021 · US
Core chuck system
US-11040847-B2 · Jun 22, 2021 · US
Method and apparatus for producing coreless rolls of paper
US-2020262669-A1 · Aug 20, 2020 · US
Compressed coreless roll of sheet product having a center indicator
US-2020255244-A1 · Aug 13, 2020 · US
Method and apparatus for producing coreless rolls of paper
US-10676304-B2 · Jun 9, 2020 · US
Core Chuck System
US-2019233249-A1 · Aug 1, 2019 · US
Method and apparatus for producing coreless rolls of paper
US-2018282097-A1 · Oct 4, 2018 · US
Compressed coreless roll of sheet product having a center indicator
US-2018273329-A1 · Sep 27, 2018 · US
Method for producing coreless rolls of paper
US-9975720-B2 · May 22, 2018 · US
Apparatus and method for winding and unwinding web material
US-9932186-B2 · Apr 3, 2018 · US
Method for producing coreless rolls of paper
US-9919888-B2 · Mar 20, 2018 · US
Apparatus and method for winding and unwinding web material
US-2016280489-A1 · Sep 29, 2016 · US
Mandrel for preparation of jelly-roll type electrode assembly
US-9444089-B2 · Sep 13, 2016 · US