Fiber sheet and method for producing same
US-12227634-B2 · Feb 18, 2025 · US
Textiles & Paper
Textiles & Paper · 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 | D04H13/02 |
| Official title | — |
| Display label | Textiles & Paper (mapped technology topic) |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nonwoven laminate
US-2024359423-A1 · Oct 31, 2024 · US
Nonwoven fabrics including recycled polypropylene
US-2024337051-A1 · Oct 10, 2024 · US
Patterning of an elastic laminate
US-11850133-B2 · Dec 26, 2023 · US
Core-sheath fibers, nonwoven fibrous web, and respirator including the same
US-2022372666-A1 · Nov 24, 2022 · US
Fiber sheet and method for producing same
US-2022081544-A1 · Mar 17, 2022 · US
Patterning of an elastic laminate
US-2022062069-A1 · Mar 3, 2022 · US
Process and device for splitting a tape
US-11208737-B2 · Dec 28, 2021 · US
Fiber structure
US-2021388549-A1 · Dec 16, 2021 · US
Transparent net structure
US-2021229395-A1 · Jul 29, 2021 · US
Nonwoven composite smokeless tobacco product
US-10588338-B2 · Mar 17, 2020 · US
Nonwoven fabric and reinforcing laminate
US-10525661-B2 · Jan 7, 2020 · US
Nonwoven composite smokeless tobacco product
US-2019320706-A1 · Oct 24, 2019 · US
Nonwoven composite smokeless tobacco product
US-10375984-B2 · Aug 13, 2019 · US
Mesh nonwoven fabric
US-10370784-B2 · Aug 6, 2019 · US
Process and device for splitting a tape
US-2019062949-A1 · Feb 28, 2019 · US
Hygiene articles containing nanofibers
US-10206827-B2 · Feb 19, 2019 · US
Nonwoven composite smokeless tobacco product
US-2018014568-A1 · Jan 18, 2018 · US
Mesh nonwoven fabric
US-2017275794-A1 · Sep 28, 2017 · US
Methods of producing fibers, nonwovens and articles containing nanofibers from broad molecular weight distribution polymers
US-9663883-B2 · May 30, 2017 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H13/02?
- CPC D04H13/02 is the Cooperative Patent Classification code for “Textiles & Paper.”
- How many patents are filed under CPC D04H13/02 (Textiles & Paper)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC D04H13/02 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).