Apparatus For Manufacturing Ultrafine Fiber And Method For Manufacturing Ultrafine Fiber
US-2020216981-A1 · Jul 9, 2020 · US
Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12)
Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12) · 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 | D02J1/22 |
| Official title | Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12) |
| Display label | Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12) |
| Total patents | 130 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 8 |
| 2018 | 14 |
| 2019 | 11 |
| 2020 | 18 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 9 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Eccentric core-sheath composite fiber and combined filament yarn
US-2020087820-A1 · Mar 19, 2020 · US
Method and Device for Manufacturing Protein Fiber
US-2020031886-A1 · Jan 30, 2020 · US
Continuous method for producing a thermally stabilized multifilament thread, multifilament thread, and fiber
US-2019360126-A1 · Nov 28, 2019 · US
Process for the manufacture of polyetherketoneketone fiber
US-2019345643-A1 · Nov 14, 2019 · US
Fiber and wadding
US-2019233985-A1 · Aug 1, 2019 · US
Acrylonitrile swollen fiber for carbon fiber, precursor fiber bundle, stabilized fiber bundle, carbon fiber bundle and production methods thereof
US-2019233975-A1 · Aug 1, 2019 · US
Artificial turf with marbled monofilament
US-2019177882-A1 · Jun 13, 2019 · US
Polyolefin fiber and method for producing same
US-2019153626-A1 · May 23, 2019 · US
Method for manufacturing ultrafine fiber
US-10208408-B2 · Feb 19, 2019 · US
Drawing device and drawing method
US-2019023573-A1 · Jan 24, 2019 · US
Drawing device and drawing method
US-2019009236-A1 · Jan 10, 2019 · US
Drawing device and drawing method
US-2019010055-A1 · Jan 10, 2019 · US
Drawing device and drawing method
US-2019002287-A1 · Jan 3, 2019 · US
Biodegradable stent and preparation method thereof
US-2018344489-A1 · Dec 6, 2018 · US
Incandescent tension annealing processes for strong, twist-stable carbon nanotube yarns and muscles
US-2018327937-A1 · Nov 15, 2018 · US
High tenacity low shrinkage polyamide yarns
US-10125436-B2 · Nov 13, 2018 · US
Polyphenylene sulfide fiber
US-10106655-B2 · Oct 23, 2018 · US
Apparatus for making spunbond from continuous filaments
US-2018282925-A1 · Oct 4, 2018 · US
Apparatus for making spunbond from continuous filaments
US-2018282926-A1 · Oct 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D02J1/22?
- CPC D02J1/22 is the Cooperative Patent Classification code for “Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12).”
- How many patents are filed under CPC D02J1/22 (Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch (stretch spinning D01D5/12))?
- Our database includes 130 publications tagged with this CPC code.
- Is patent activity under CPC D02J1/22 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).