Cellulose based film structure and method for producing the same
US-2020325626-A1 · Oct 15, 2020 · US
Drying
Drying · 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 | D21F7/12 |
| Official title | Drying |
| Display label | Drying |
| Total patents | 108 |
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 | 8 |
| 2016 | 13 |
| 2017 | 12 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 17 |
| 2022 | 9 |
| 2023 | 11 |
| 2024 | 5 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Absorbent sheets having high absorbency and high caliper, and methods of making soft, absorbent sheets
US-10704203-B2 · Jul 7, 2020 · US
Laminated papermaking belt
US-2020157740-A1 · May 21, 2020 · US
Industrial textile, a method for measuring a condition on the surface of the industrial textile and a use of the industrial textile
US-10619301-B2 · Apr 14, 2020 · US
Papermaking fabric including textured contacting surface
US-10563353-B2 · Feb 18, 2020 · US
Extruded paper machine clothing and method for the production thereof
US-10501889-B2 · Dec 10, 2019 · US
Papermaking fabric including textured contacting surface
US-2019360152-A1 · Nov 28, 2019 · US
Laminated papermaking belt
US-2019352850-A1 · Nov 21, 2019 · US
Soft absorbent sheets, structuring fabrics for making soft absorbent sheets, and methods of making soft absorbent sheets
US-2019257035-A1 · Aug 22, 2019 · US
Three-dimensional papermaking belt
US-10385511-B2 · Aug 20, 2019 · US
Soft absorbent sheets, structuring fabrics for making soft absorbent sheets, and methods of making soft absorbent sheets
US-10329716-B2 · Jun 25, 2019 · US
Methods for making improved cellulosic products using novel press felts and products made therefrom
US-2019127914-A1 · May 2, 2019 · US
Three-dimensional papermaking belt
US-2019106841-A1 · Apr 11, 2019 · US
Methods of making paper products using a molding roll
US-2019062997-A1 · Feb 28, 2019 · US
Industrial textile
US-10179976-B2 · Jan 15, 2019 · US
Dryer Fabric
US-2019003118-A1 · Jan 3, 2019 · US
Methods of making soft absorbent sheets and absorbent sheets made by such methods
US-2018371697-A1 · Dec 27, 2018 · US
Soft absorbent sheets, structuring fabrics for making soft absorbent sheets, and methods of making soft absorbent sheets
US-10138601-B2 · Nov 27, 2018 · US
Industrial textile, a method for measuring a condition on the surface of the industrial textile and a use of the industrial textile
US-2018291557-A1 · Oct 11, 2018 · US
Absorbent sheets having high absorbency and high caliper, and methods of making soft, absorbent sheets
US-2018274176-A1 · Sep 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F7/12?
- CPC D21F7/12 is the Cooperative Patent Classification code for “Drying.”
- How many patents are filed under CPC D21F7/12 (Drying)?
- Our database includes 108 publications tagged with this CPC code.
- Is patent activity under CPC D21F7/12 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).