Wristwatch, method of producing cushion, and method of producing wristwatch
US-2026033611-A1 · Feb 5, 2026 · US
Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B)
Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B) · 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 | D01G11/04 |
| Official title | Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B) |
| Display label | Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B) |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sheet manufacturing apparatus
US-12529188-B2 · Jan 20, 2026 · US
Enzyme extraction methods
US-2026002295-A1 · Jan 1, 2026 · US
A method and system for recycling at least a portion of a textile material comprising polyester fibers
US-2025319633-A1 · Oct 16, 2025 · US
Enzyme extraction methods
US-12435452-B2 · Oct 7, 2025 · US
Fiber processing method
US-2025270742-A1 · Aug 28, 2025 · US
Fiber body manufacturing apparatus and defibrating device
US-12264437-B2 · Apr 1, 2025 · US
Method for manufacturing high-tensile continuous fiber spun yarn using recycled carbon fiber and high-tensile continuous fiber spun yarn
US-2025075379-A1 · Mar 6, 2025 · US
Method of manufacturing cushioning material, and cushioning material
US-12134839-B2 · Nov 5, 2024 · US
Cellulose raw material and method for recycling a cellulose raw material from blended textile waste
US-2024240399-A1 · Jul 18, 2024 · US
Cellulose raw material and method for recycling a cellulose raw material from blended textile waste
US-11976417-B2 · May 7, 2024 · US
Process and plant for recycling fabrics
US-2023392297-A1 · Dec 7, 2023 · US
Sheet manufacturing apparatus
US-2023383462-A1 · Nov 30, 2023 · US
Method of manufacturing cushioning material, and cushioning material
US-2023243091-A1 · Aug 3, 2023 · US
Fiber body manufacturing apparatus and defibrating device
US-2023220626-A1 · Jul 13, 2023 · US
Method for processing cotton-containing textile waste
US-2023034810-A1 · Feb 2, 2023 · US
Separation device
US-11396033-B2 · Jul 26, 2022 · US
A fiber from waste material and methods of producing
US-2022195633-A1 · Jun 23, 2022 · US
Separation device and fiber body deposition apparatus
US-11311912-B2 · Apr 26, 2022 · US
Cellulose raw material and method for recycling a cellulose raw material from blended textile waste
US-2022049381-A1 · Feb 17, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01G11/04?
- CPC D01G11/04 is the Cooperative Patent Classification code for “Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B).”
- How many patents are filed under CPC D01G11/04 (Opening rags to obtain fibres for re-use (mechanical treatment of rags for paper-making D21B))?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC D01G11/04 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).