Sheet manufacturing apparatus and sheet manufacturing method
US-12553183-B2 · Feb 17, 2026 · US
Indicating or regulating the moisture content of the layer
Indicating or regulating the moisture content of the layer · 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 | D21F7/003 |
| Official title | {Indicating or regulating the moisture content of the layer} |
| Display label | Indicating or regulating the moisture content of the layer |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 11 |
| 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
US-2025314013-A1 · Oct 9, 2025 · US
Control method for sheet manufacturing apparatus
US-12398514-B2 · Aug 26, 2025 · US
Microfibrillated cellulose containing pulp sheets with improved mechanical properties
US-12385185-B2 · Aug 12, 2025 · US
Method of controlling sheet manufacturing apparatus
US-2025027272-A1 · Jan 23, 2025 · US
Roll Weight System for On Machine Dynamic Verification
US-2025020502-A1 · Jan 16, 2025 · US
Sheet manufacturing apparatus
US-2024426053-A1 · Dec 26, 2024 · US
Information providing apparatus, information providing method, and non-transitory computer readable recording medium
US-2024410834-A1 · Dec 12, 2024 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-2024392504-A1 · Nov 28, 2024 · US
Systems and methods for monitoring and controlling industrial processes
US-2024361756-A1 · Oct 31, 2024 · US
Method and a system for a Yankee cylinder in a tissue machine
US-12104322-B2 · Oct 1, 2024 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-2024110334-A1 · Apr 4, 2024 · US
Sheet manufacturing apparatus
US-2024102243-A1 · Mar 28, 2024 · US
Method for determining the dryness of a fibrous web, and method for controlling or regulating a machine for producing a paper web, and computer program for carrying out the methods
US-11926963-B2 · Mar 12, 2024 · US
Fiber body manufacturing apparatus, fiber body manufacturing unit, and fiber body manufacturing method
US-11920300-B2 · Mar 5, 2024 · US
Sheet producing method and sheet producing apparatus
US-11866885-B2 · Jan 9, 2024 · US
Fabric for a paper or pulp technology and a method for manufacturing a fabric for a paper or pulp technology
US-11859345-B2 · Jan 2, 2024 · US
Measurement apparatus and method of paper web
US-11841357-B2 · Dec 12, 2023 · US
Sheet manufacturing method and sheet manufacturing apparatus
US-11807988-B2 · Nov 7, 2023 · US
Method for applying coating chemicals to yankee dryers for tissue and towel production
US-2023349100-A1 · Nov 2, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F7/003?
- CPC D21F7/003 is the Cooperative Patent Classification code for “Indicating or regulating the moisture content of the layer.”
- How many patents are filed under CPC D21F7/003 (Indicating or regulating the moisture content of the layer)?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC D21F7/003 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).