Process for recovering close boiling products
US-2024059628-A1 · Feb 22, 2024 · US
in rotating drums
in rotating 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 | B01J2/12 |
| Official title | in rotating drums |
| Display label | in rotating drums |
| Total patents | 71 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acid treatment for fertilizers to increase zinc solubility and availability
US-11807587-B2 · Nov 7, 2023 · US
Process for recovering close boiling products
US-11807592-B2 · Nov 7, 2023 · US
Method for producing water-absorbent resin powder, and drying device and drying method for particulate hydrous gel
US-11766659-B2 · Sep 26, 2023 · US
Method for preparing dispersed metal nanoparticles and metal nanoparticles prepared thereby
US-2023106726-A1 · Apr 6, 2023 · US
A vibrating prilling bucket particularly for prilling of urea
US-2022395793-A1 · Dec 15, 2022 · US
Pitch granules which are solid at room temperature
US-11505748-B2 · Nov 22, 2022 · US
Drying a coating using electromagnetic radiation or heating of drum
US-11492300-B2 · Nov 8, 2022 · US
Method of producing catalyst-bearing support and method of producing fibrous carbon nanostructure
US-2022331777-A1 · Oct 20, 2022 · US
Method for producing water-absorbent resin powder and production apparatus therefor
US-11465126-B2 · Oct 11, 2022 · US
Polyethylene Powder
US-2022144981-A1 · May 12, 2022 · US
Metal powder manufacturing apparatus for metal 3D printer
US-11241738-B2 · Feb 8, 2022 · US
Process for recovering close boiling products
US-2021355055-A1 · Nov 18, 2021 · US
Apparatus for coating bulk material
US-11148157-B2 · Oct 19, 2021 · US
System and method for synthesizing polymeric capsules for water softening
US-11110419-B2 · Sep 7, 2021 · US
Biochars, biochar extracts and biochar extracts having soluble signaling compounds and method for capturing material extracted from biochar
US-11097241-B2 · Aug 24, 2021 · US
Process for recovering close boiling products
US-11091415-B2 · Aug 17, 2021 · US
Solid Fragrance-Containing Composition
US-2021130748-A1 · May 6, 2021 · US
Method for producing biochar aggregate particles
US-10864492-B2 · Dec 15, 2020 · US
Drying a coating using electromagnetic radiation or heating of drum
US-2020385316-A1 · Dec 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2/12?
- CPC B01J2/12 is the Cooperative Patent Classification code for “in rotating drums.”
- How many patents are filed under CPC B01J2/12 (in rotating drums)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC B01J2/12 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).