Split resistant fibre
US-11939730-B2 · Mar 26, 2024 · US
with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence)
with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence) · 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 | D01D5/253 |
| Official title | with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence) |
| Display label | with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence) |
| Total patents | 291 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 27 |
| 2016 | 13 |
| 2017 | 21 |
| 2018 | 27 |
| 2019 | 17 |
| 2020 | 31 |
| 2021 | 32 |
| 2022 | 22 |
| 2023 | 35 |
| 2024 | 36 |
| 2025 | 23 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a fiber having a pattern on a surface thereof
US-9810986-B2 · Nov 7, 2017 · US
Method for producing a fiber having a pattern on the surface thereof
US-9810985-B2 · Nov 7, 2017 · US
Non-woven fabric board for exterior of vehicle and method for manufacturing same
US-2017306538-A1 · Oct 26, 2017 · US
Method for manufacturing absorbent core having enhanced wet strength
US-2017273836-A1 · Sep 28, 2017 · US
Sea-island composite fiber
US-9758904-B2 · Sep 12, 2017 · US
Cationic-dyeable polyester fiber and conjugated fiber
US-9752258-B2 · Sep 5, 2017 · US
Fiber forming compositions, fibers and methods for production
US-2017241072-A1 · Aug 24, 2017 · US
Polyamide monofilament and fiber package thereof
US-2017226664-A1 · Aug 10, 2017 · US
Smart sensing systems and related methods
US-2017224280-A1 · Aug 10, 2017 · US
Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents
US-2017189914-A1 · Jul 6, 2017 · US
Dual-terminated polyamide for high speed spinning application
US-2017183796-A1 · Jun 29, 2017 · US
Modified cross-section lyocell material for tobacco filter, and preparation method therefor
US-2017156394-A1 · Jun 8, 2017 · US
Lyocell staple fiber
US-2017121855-A1 · May 4, 2017 · US
Lyocell fiber
US-2017121857-A1 · May 4, 2017 · US
Fiber for artificial hair and artificial hair product using the same
US-9637841-B2 · May 2, 2017 · US
Filtration materials using fiber blends that contain strategically shaped fibers and/or charge control agents
US-9618220-B2 · Apr 11, 2017 · US
Conformable Microporous Fiber and Woven Fabrics Containing Same
US-2017044696-A1 · Feb 16, 2017 · US
Yarn from polymers having different decomposition temperatures and process for forming same
US-2017029983-A1 · Feb 2, 2017 · US
Polyglycolic acid resin short fibers for use in well treatment fluid
US-9534163-B2 · Jan 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01D5/253?
- CPC D01D5/253 is the Cooperative Patent Classification code for “with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence).”
- How many patents are filed under CPC D01D5/253 (with a non-circular cross section; Spinnerette packs therefor (D01D5/38 takes precedence))?
- Our database includes 291 publications tagged with this CPC code.
- Is patent activity under CPC D01D5/253 growing?
- Publication counts under this code: 36 in 2024 vs 23 in 2025 (latest complete years).