Durable pilling resistant nonwoven insulation
US-2024229313-A9 · Jul 11, 2024 · US
Rags; Fabric scraps
Rags; Fabric scraps · 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 | D04H1/4274 |
| Official title | Rags; Fabric scraps |
| Display label | Rags; Fabric scraps |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 7 |
| 2020 | 7 |
| 2021 | 12 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method to recycle polyester-based nonwoven to staple fiber
US-2024181119-A1 · Jun 6, 2024 · US
Fiber structure manufacturing apparatus, fiber structure manufacturing method, and fiber structure
US-11814762-B2 · Nov 14, 2023 · US
Nonwoven Fabrics Including Recycled Polypropylene
US-2023167590-A1 · Jun 1, 2023 · US
Aligned fibres and a method of making the same
US-2023138566-A1 · May 4, 2023 · US
Covers Utilizing Recycled Polyester Fibers
US-2023121817-A1 · Apr 20, 2023 · US
Fiber molded body for sound absorbing/sound insulation materials
US-2022389631-A1 · Dec 8, 2022 · US
Fiber processing device and fiber body manufacturing apparatus
US-11492729-B2 · Nov 8, 2022 · US
Sheet manufacturing apparatus, control method thereof, and sheet manufacturing method
US-11459703-B2 · Oct 4, 2022 · US
Nonwoven webs, and processes for manufacturing such
US-2022186415-A1 · Jun 16, 2022 · US
Sustainable nonwoven textile with mixed fiber types
US-2022136148-A1 · May 5, 2022 · US
Sustainable nonwoven textile
US-2022136152-A1 · May 5, 2022 · US
Sustainable nonwoven textile with variable fiber lengths
US-2022136151-A1 · May 5, 2022 · US
Shock Pad for Synthetic Turf and Methods for Making Same
US-2022049435-A1 · Feb 17, 2022 · US
Nonwoven Fabric Including Fibers Formed from Post-Consumer Recycled Plastic
US-2022042222-A1 · Feb 10, 2022 · US
Fiber structure manufacturing apparatus, fiber structure manufacturing method, and fiber structure
US-2021381144-A1 · Dec 9, 2021 · US
Fiber structure manufacturing apparatus, method of manufacturing fiber structure, and fiber structure
US-2021363688-A1 · Nov 25, 2021 · US
Shock pad for synthetic turf and methods for making same
US-11131068-B2 · Sep 28, 2021 · US
Sheet manufacturing apparatus and control method of sheet manufacturing apparatus
US-11077581-B2 · Aug 3, 2021 · US
System and method of manufacturing a panel
US-2021180321-A1 · Jun 17, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/4274?
- CPC D04H1/4274 is the Cooperative Patent Classification code for “Rags; Fabric scraps.”
- How many patents are filed under CPC D04H1/4274 (Rags; Fabric scraps)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/4274 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).