Fiber body manufacturing apparatus and fiber body production method
US-2026062864-A1 · Mar 5, 2026 · US
Suction apparatus (suction rolls D21F3/10)
Suction apparatus (suction rolls D21F3/10) · 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 | D21F1/48 |
| Official title | Suction apparatus (suction rolls D21F3/10) |
| Display label | Suction apparatus (suction rolls D21F3/10) |
| Total patents | 26 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for dewatering or cleaning a fabric in a paper machine, and paper machine comprising such a device
US-2025198085-A1 · Jun 19, 2025 · US
Method for suctioning fibers from a pulp using a suction device and a suction device
US-2024384468-A1 · Nov 21, 2024 · US
Measurement of elastic modulus of moving web
US-11828736-B2 · Nov 28, 2023 · US
Fiber body forming apparatus and control method of fiber body forming apparatus
US-11732415-B2 · Aug 22, 2023 · 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
Fiber body forming apparatus and control method of fiber body forming apparatus
US-2022205181-A1 · Jun 30, 2022 · US
Lubricating device for lubricating a clothing
US-11319669-B2 · May 3, 2022 · US
Suction device
US-2022127095-A1 · Apr 28, 2022 · US
Measurement of elastic modulus of moving web
US-2021239583-A1 · Aug 5, 2021 · US
Equipment for manufacturing fiber structure, method for manufacturing fiber structure, and fiber structure
US-2021230802-A1 · Jul 29, 2021 · US
Sheet manufacturing apparatus
US-10914034-B2 · Feb 9, 2021 · US
Method of forming a three-layer board web and a forming section of forming a three-layer board web
US-2020407916-A1 · Dec 31, 2020 · US
Method for producing a fibrous material web
US-10808360-B2 · Oct 20, 2020 · US
Sheet manufacturing apparatus, sheet, and sheet manufacturing method
US-2020131705-A1 · Apr 30, 2020 · US
Lubricating Device For Lubricating A Clothing
US-2020048834-A1 · Feb 13, 2020 · US
Method for producing a fibrous material web
US-2019360155-A1 · Nov 28, 2019 · US
Sheet manufacturing apparatus
US-10272623-B2 · Apr 30, 2019 · US
Sheet manufacturing apparatus
US-2019093286-A1 · Mar 28, 2019 · US
Sheet manufacturing apparatus
US-2018043644-A1 · Feb 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F1/48?
- CPC D21F1/48 is the Cooperative Patent Classification code for “Suction apparatus (suction rolls D21F3/10).”
- How many patents are filed under CPC D21F1/48 (Suction apparatus (suction rolls D21F3/10))?
- Our database includes 26 publications tagged with this CPC code.
- Is patent activity under CPC D21F1/48 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).