Stretch-processed yarn, fiber product, composite spinneret, and composite fiber production method
US-2025341033-A1 · Nov 6, 2025 · US
Mechanical characteristics of stretching apparatus
Mechanical characteristics of stretching apparatus · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D02J1/225 |
| Official title | {Mechanical characteristics of stretching apparatus} |
| Display label | Mechanical characteristics of stretching apparatus |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stretch-processed yarn, fiber product, composite spinneret, and composite fiber production method
US-12378704-B2 · Aug 5, 2025 · US
Compositions and methods of thermal control and energy storage in composite polymer yarns via strain-induced phase transitions
US-2025129517-A1 · Apr 24, 2025 · US
Liquid crystal polyester multi-filament and method for manufacturing same
US-2025075381-A1 · Mar 6, 2025 · US
Elastic fiber, elastic fiber covered yarn and reeling manufacturing methods thereof
US-2024376643-A1 · Nov 14, 2024 · US
Undrawn multifilament, method for producing the same, multifilament, method for producing the same, staple, and method for producing the same
US-2024279848-A1 · Aug 22, 2024 · US
Method for producing polyacetal fiber
US-11761121-B2 · Sep 19, 2023 · US
Elastic fiber, elastic fiber covered yarn and reeling manufacturing methods thereof
US-2023002938-A1 · Jan 5, 2023 · US
Method for manufacturing polyacetal fiber
US-11441242-B2 · Sep 13, 2022 · US
Liquid crystal polyester multi-filament and method for manufacturing same
US-2022119991-A1 · Apr 21, 2022 · US
Method for manufacturing acrylonitrile based fiber bundle and method for manufacturing carbon fiber bundle
US-11286581-B2 · Mar 29, 2022 · US
Apparatus for making spunbond from continuous filaments
US-11225739-B2 · Jan 18, 2022 · US
Stretch-processed yarn, fiber product, composite spinneret, and composite fiber production method
US-2022002913-A1 · Jan 6, 2022 · US
Polyethylene multifilament interlaced yarn and method for manufacturing the same
US-2022002914-A1 · Jan 6, 2022 · US
Processing methods and apparatus to manufacture a functional, multi-scale, tapered fiber from polymer filament
US-11060214-B2 · Jul 13, 2021 · US
Method for manufacturing acrylonitrile based fiber bundle and method for manufacturing carbon fiber bundle
US-2021130984-A1 · May 6, 2021 · US
Polyamide multifilament and knitted lace manufactured using same
US-2021040650-A1 · Feb 11, 2021 · US
Solid-state drawing method for preparing a surgical suture or a biodegradable stent
US-10722388-B2 · Jul 28, 2020 · US
Method for producing polyacetal fiber
US-2020199787-A1 · Jun 25, 2020 · US
Method for manufacturing polyacetal fiber
US-2020181806-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D02J1/225?
- CPC D02J1/225 is the Cooperative Patent Classification code for “Mechanical characteristics of stretching apparatus.”
- How many patents are filed under CPC D02J1/225 (Mechanical characteristics of stretching apparatus)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC D02J1/225 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).