Soft tissue produced using a structured fabric and energy efficient pressing
US-2024218604-A1 · Jul 4, 2024 · US
of the twin-wire type
of the twin-wire type · 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 | D21F9/003 |
| Official title | {of the twin-wire type} |
| Display label | of the twin-wire type |
| Total patents | 67 |
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 | 3 |
| 2016 | 5 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 13 |
| 2022 | 3 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method of producing micro fibrillated cellulose (MFC)
US-12006628-B2 · Jun 11, 2024 · US
Method for manufacturing a barrier film comprising highly refined cellulose
US-2024133118-A1 · Apr 25, 2024 · US
Soft tissue produced using a structured fabric and energy efficient pressing
US-11959226-B2 · Apr 16, 2024 · US
Drive Arrangement and Drive Arrangement for a Twin-Wire Press
US-2023399798-A1 · Dec 14, 2023 · US
Crescent former for producing tissue paper
US-11834788-B2 · Dec 5, 2023 · US
Soft tissue produced using a structured fabric and energy efficient pressing
US-11807992-B2 · Nov 7, 2023 · US
Molding roll for making paper products
US-11802375-B2 · Oct 31, 2023 · US
Method of making a molded paper web
US-11732416-B2 · Aug 22, 2023 · US
Device and method for producing a pulp web
US-11702796-B2 · Jul 18, 2023 · US
Crescent former for producing tissue paper
US-2023212819-A1 · Jul 6, 2023 · US
System and Method of Producing Micro Fibrillated Cellulose (MFC)
US-2023193558-A1 · Jun 22, 2023 · US
Device and Method for Producing a Pulp Web
US-2023064891-A1 · Mar 2, 2023 · US
Method and apparatus for producing a fiber web
US-11585047-B2 · Feb 21, 2023 · US
Device and Method for Producing a Fibrous Web
US-2023030264-A1 · Feb 2, 2023 · US
A tissue paper making machine
US-2022412005-A1 · Dec 29, 2022 · US
Method of forming a three-layer board web and a forming section of forming a three-layer board web
US-11512431-B2 · Nov 29, 2022 · US
Tissue paper making machine and a method of operating a tissue paper making machine
US-11220785-B2 · Jan 11, 2022 · US
Method for preparing a membrane from fibril cellulose and fibril, cellulose membrane
US-11207803-B2 · Dec 28, 2021 · US
Method of making a molded paper web
US-2021395948-A1 · Dec 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F9/003?
- CPC D21F9/003 is the Cooperative Patent Classification code for “of the twin-wire type.”
- How many patents are filed under CPC D21F9/003 (of the twin-wire type)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC D21F9/003 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).