Support body and paper machine comprising such a support body
US-12540434-B2 · Feb 3, 2026 · US
Arrangements thereof
Arrangements thereof · 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 | D21F3/04 |
| Official title | Arrangements thereof |
| Display label | Arrangements thereof |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 5 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sheet manufacturing apparatus and method of manufacturing sheets
US-2025171960-A1 · May 29, 2025 · US
Sheet manufacturing apparatus and method of manufacturing sheets
US-2025171961-A1 · May 29, 2025 · US
Sheet manufacturing apparatus
US-2025109552-A1 · Apr 3, 2025 · US
Continuous papermaking machines and methods for continuous papermaking
US-2025092602-A1 · Mar 20, 2025 · US
Roller
US-12221749-B2 · Feb 11, 2025 · US
System and method of producing micro fibrillated cellulose (MFC)
US-12006628-B2 · Jun 11, 2024 · US
Roll arrangement
US-2024150963-A1 · May 9, 2024 · US
Device and method for transferring a strip of a web
US-11946203-B2 · Apr 2, 2024 · US
Sheet manufacturing apparatus
US-2024093430-A1 · Mar 21, 2024 · US
Support body and paper machine comprising such a support body
US-2024044078-A1 · Feb 8, 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
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
Roller
US-2023117841-A1 · Apr 20, 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
Paper press process with high hydrolic pressure
US-11492756-B2 · Nov 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F3/04?
- CPC D21F3/04 is the Cooperative Patent Classification code for “Arrangements thereof.”
- How many patents are filed under CPC D21F3/04 (Arrangements thereof)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC D21F3/04 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).