Sheet production apparatus and sheet production method of sheet production apparatus
US-2026022516-A1 · Jan 22, 2026 · US
Cutting the edges of the paper-web
Cutting the edges of the paper-web · 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 | D21F7/006 |
| Official title | {Cutting the edges of the paper-web} |
| Display label | Cutting the edges of the paper-web |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sheet manufacturing apparatus
US-11814791-B2 · Nov 14, 2023 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-11753768-B2 · Sep 12, 2023 · US
Paper making machine and a method of cutting a fibrous web in a paper making machine
US-11530515-B2 · Dec 20, 2022 · US
Learning device, fibrous feedstock recycling apparatus, learning method, and storage medium that stably transports transport target matter
US-11511554-B2 · Nov 29, 2022 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-2022364306-A1 · Nov 17, 2022 · US
Hopper and cutting process device
US-11390993-B2 · Jul 19, 2022 · US
Sheet manufacturing apparatus
US-2022098792-A1 · Mar 31, 2022 · US
Paper trim cut measurement device and method
US-11198971-B2 · Dec 14, 2021 · US
Sheet manufacturing apparatus and control method for sheet manufacturing apparatus
US-11193238-B2 · Dec 7, 2021 · US
Sheet manufacturing apparatus and control method for sheet manufacturing apparatus
US-2021292970-A1 · Sep 23, 2021 · US
Sheet manufacturing apparatus
US-11060242-B2 · Jul 13, 2021 · US
A paper making machine and a method of cutting a fibrous web in a paper making machine
US-2021148050-A1 · May 20, 2021 · US
Hopper and cutting process device
US-2020208348-A1 · Jul 2, 2020 · US
Learning device, fibrous feedstock recycling apparatus, learning method, and storage medium
US-2020165092-A1 · May 28, 2020 · US
Sheet manufacturing apparatus
US-10619302-B2 · Apr 14, 2020 · US
Sheet manufacturing apparatus
US-2019264391-A1 · Aug 29, 2019 · US
Paper trim cut measurement device and method
US-2019249366-A1 · Aug 15, 2019 · US
Paper trim cut measurement device and method
US-10309058-B2 · Jun 4, 2019 · US
Sheet manufacturing apparatus
US-2018355556-A1 · Dec 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F7/006?
- CPC D21F7/006 is the Cooperative Patent Classification code for “Cutting the edges of the paper-web.”
- How many patents are filed under CPC D21F7/006 (Cutting the edges of the paper-web)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC D21F7/006 growing?
- Publication counts under this code: 5 in 2022 vs 2 in 2023 (latest complete years).