Stirring apparatus
US-2020398236-A1 · Dec 24, 2020 · US
using grinding devices
using grinding devices · 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 | D21B1/063 |
| Official title | {using grinding devices} |
| Display label | using grinding devices |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 15 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 13 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Date tree trunk-based fibrous loss circulation materials
US-10870787-B2 · Dec 22, 2020 · US
Fiber assembly-forming method and fiber assembly-forming apparatus
US-2020385924-A1 · Dec 10, 2020 · US
Methods for Liberating Trichome Fiberts from Portions of a Host Plant
US-2020359852-A1 · Nov 19, 2020 · US
Defibration treatment apparatus and fiber processing apparatus
US-2020299898-A1 · Sep 24, 2020 · US
Rheology control of nanocellulose treatment fluids
US-2020263081-A1 · Aug 20, 2020 · US
Method for defibrating fiber body, defibrating device, sheet manufacturing method, and sheet manufacturing apparatus
US-2020173102-A1 · Jun 4, 2020 · US
Processing biomass
US-2020115723-A1 · Apr 16, 2020 · US
Method for production of porous moldings
US-10619303-B2 · Apr 14, 2020 · US
Sheet manufacturing apparatus
US-10619302-B2 · Apr 14, 2020 · US
Sheet manufacturing binding material, receiving container, sheet, and sheet manufacturing apparatus
US-2020080262-A1 · Mar 12, 2020 · US
Dewatering in paper making process
US-2020063364-A1 · Feb 27, 2020 · US
Used paper supply device and sheet manufacturing apparatus
US-2020039769-A1 · Feb 6, 2020 · US
Defibration processing device, and fibrous feedstock recycling device
US-2019301092-A1 · Oct 3, 2019 · US
Sheet manufacturing apparatus and control method for sheet manufacturing apparatus
US-2019270220-A1 · Sep 5, 2019 · US
Sheet manufacturing apparatus
US-2019264391-A1 · Aug 29, 2019 · US
Date tree trunk-based fibrous loss circulation materials
US-10392549-B2 · Aug 27, 2019 · US
Date Tree Trunk-Based Fibrous Loss Circulation Materials
US-2019233705-A1 · Aug 1, 2019 · US
Methods of compressing lignocellulosic feedstock into discrete units, and related systems
US-10344309-B2 · Jul 9, 2019 · US
Battery packaging material and battery
US-2019198826-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21B1/063?
- CPC D21B1/063 is the Cooperative Patent Classification code for “using grinding devices.”
- How many patents are filed under CPC D21B1/063 (using grinding devices)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC D21B1/063 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).