Sealing strip and sealing device
US-2022333306-A1 · Oct 20, 2022 · US
Other details of machines for making continuous webs of paper
Other details of machines for making continuous webs of 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 | D21F7/00 |
| Official title | Other details of machines for making continuous webs of paper |
| Display label | Other details of machines for making continuous webs of paper |
| Total patents | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 13 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 14 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and Method for Transferring a Strip of a Web
US-2022205182-A1 · Jun 30, 2022 · US
Method and device for measuring property of moving fiber web
US-11220786-B2 · Jan 11, 2022 · US
Method of making a molded paper web
US-2021395948-A1 · Dec 23, 2021 · US
Method and apparatus of measuring properties of a moving sheet
US-11204329-B2 · Dec 21, 2021 · US
Collection device, collection method, and fibrous feedstock recycling device
US-11198087-B2 · Dec 14, 2021 · US
Methods of making paper products using a molding roll
US-11136719-B2 · Oct 5, 2021 · US
Device, machine and method for dewatering a wet-laid fibrous web
US-11118309-B2 · Sep 14, 2021 · US
Roller for a machine for producing and/or processing a paper, cardboard, or tissue web, and method for operating the roller
US-2021254283-A1 · Aug 19, 2021 · US
Fiber processing system and fiber processing method
US-2021238801-A1 · Aug 5, 2021 · US
Sheet manufacturing apparatus, sheet manufacturing system, control method of a sheet manufacturing apparatus, and sheet manufacturing method
US-11008707-B2 · May 18, 2021 · US
Dryer Fabric with Warp Yarns of Multiple Materials
US-2021102339-A1 · Apr 8, 2021 · US
Sealing strip system and sealing strip
US-2021087747-A1 · Mar 25, 2021 · US
Molding roll for making paper products
US-2021087749-A1 · Mar 25, 2021 · US
Steam box with multiple valves and diffuser plates and related system
US-2021062425-A1 · Mar 4, 2021 · US
Molding roll for making paper products
US-10927502-B2 · Feb 23, 2021 · US
Belt Installation Device
US-2020400220-A1 · Dec 24, 2020 · US
Method and Device for Measuring Property of Moving Fiber Web
US-2020277734-A1 · Sep 3, 2020 · US
Fiber material accumulating apparatus and sheet manufacturing apparatus
US-2020173106-A1 · Jun 4, 2020 · US
Sheet manufacturing apparatus
US-2020140217-A1 · May 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F7/00?
- CPC D21F7/00 is the Cooperative Patent Classification code for “Other details of machines for making continuous webs of paper.”
- How many patents are filed under CPC D21F7/00 (Other details of machines for making continuous webs of paper)?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC D21F7/00 growing?
- Publication counts under this code: 11 in 2024 vs 14 in 2025 (latest complete years).