Stud for a doctor blade holder in a fiber web machine and doctor blade assembly for a fiber web machine
US-12442136-B2 · Oct 14, 2025 · US
This page is not indexed by search engines while we improve data quality.
for drying cylinders
for drying cylinders · 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 | D21G3/04 |
| Official title | for drying cylinders |
| Display label | for drying cylinders |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tissue paper and method for manufacturing tissue paper
US-12305335-B2 · May 20, 2025 · US
Creping process performance tracking and control
US-2025044776-A1 · Feb 6, 2025 · US
Blade and creping arrangement
US-12128647-B2 · Oct 29, 2024 · US
Creping process performance tracking and control
US-12111644-B2 · Oct 8, 2024 · US
Blade and creping arrangement
US-2024262071-A1 · Aug 8, 2024 · US
Stud for a Doctor Blade Holder in a Fiber Web Machine and Doctor Blade Assembly for a Fiber Web Machine
US-2024102244-A1 · Mar 28, 2024 · US
Tissue paper and method for manufacturing tissue paper
US-2024084513-A1 · Mar 14, 2024 · US
Tissue paper and method for manufacturing tissue paper
US-2023383470-A1 · Nov 30, 2023 · US
Blowing equipment for doctor equipment of a fiber web machine and fiber web machine doctor equipment equipped with blowing equipment
US-11643780-B2 · May 9, 2023 · US
Creping process performance tracking and control
US-2022260979-A1 · Aug 18, 2022 · US
Blowing Equipment for Doctor Equipment of a Fiber Web Machine and Fiber Web Machine Doctor Equipment Equipped with Blowing Equipment
US-2022098795-A1 · Mar 31, 2022 · US
Deposit detection in a paper making system via vibration analysis
US-11041271-B2 · Jun 22, 2021 · US
Method for early warning chatter detection and asset protection management
US-10604896-B2 · Mar 31, 2020 · US
Deposit detection in a paper making system via vibration analysis
US-2019120811-A1 · Apr 25, 2019 · US
Doctor control systems for papermaking machines and related methods
US-10202724-B2 · Feb 12, 2019 · US
Doctor control systems for papermaking machines and related methods
US-2018100271-A1 · Apr 12, 2018 · US
Doctor control systems for papermaking machines and related methods
US-9873981-B2 · Jan 23, 2018 · US
Doctor control systems for papermaking machines and related methods
US-2017016181-A1 · Jan 19, 2017 · US
Method for early warning chatter detection and asset protection management
US-2016340830-A1 · Nov 24, 2016 · US