Method for separating the components of a mixture of fibers and granules by electrostatic neutralization and screening, and corresponding unit
US-12544788-B2 · Feb 10, 2026 · US
Revolving drums
Revolving drums · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B07B1/22 |
| Official title | Revolving drums |
| Display label | Revolving drums |
| Total patents | 37 |
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 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for separating the components of a mixture of fibers and granules by electrostatic neutralization and screening, and corresponding unit
US-2025010336-A1 · Jan 9, 2025 · US
Sorting apparatus and sorting method
US-2024383007-A1 · Nov 21, 2024 · US
Fiber processing device and fiber body manufacturing apparatus
US-11492729-B2 · Nov 8, 2022 · US
Fragrance dispensing emanating substrate and method
US-2022193296-A1 · Jun 23, 2022 · US
Constraining mechanisms and associated methods
US-2021386569-A1 · Dec 16, 2021 · US
De-agglomerating sieve with de-ionization
US-2021205850-A1 · Jul 8, 2021 · US
Fiber processing device and fiber body manufacturing apparatus
US-2021095400-A1 · Apr 1, 2021 · US
Method to purify coccidial oocysts from animal faeces, a system suitable for applying this method and oocysts obtained therewith
US-10689612-B2 · Jun 23, 2020 · US
Sheet manufacturing apparatus and sheet manufacturing method
US-10647020-B2 · May 12, 2020 · US
Classifying device for classifying a granular material flow
US-10632503-B2 · Apr 28, 2020 · US
Lump segregating slurry feed diffuser
US-10441976-B2 · Oct 15, 2019 · US
Particle separator
US-10393021-B2 · Aug 27, 2019 · US
Lump segregating slurry feed diffuser
US-2019224718-A1 · Jul 25, 2019 · US
Fiber processing device, fibrous feedstock recycling device, and control method of a fiber processing device
US-2019218714-A1 · Jul 18, 2019 · US
Trommel screen with different sized apertures
US-10300508-B2 · May 28, 2019 · US
In-channel screening with a drum screen
US-10293284-B1 · May 21, 2019 · US
Rotational drive arrangement for rotating a vessel
US-2018340593-A1 · Nov 29, 2018 · US
Automatic folding and deploying deflectors for conveyor
US-10118197-B2 · Nov 6, 2018 · US
Water absorbing material and manufacturing method thereof
US-10071362-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B07B1/22?
- CPC B07B1/22 is the Cooperative Patent Classification code for “Revolving drums.”
- How many patents are filed under CPC B07B1/22 (Revolving drums)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC B07B1/22 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).