Method for upgrading coal slime through synergistic dehydration
US-12428606-B2 · Sep 30, 2025 · US
specially adapted for coal
specially adapted for coal · 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 | B03B9/005 |
| Official title | {specially adapted for coal} |
| Display label | specially adapted for coal |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for upgrading coal slime through synergistic dehydration
US-2025171701-A1 · May 29, 2025 · US
Wide-size-fraction flotation system and process
US-12115539-B2 · Oct 15, 2024 · US
Coal and gangue separation device
US-11654440-B2 · May 23, 2023 · US
Dehydration and upgrading system for high-water-content material
US-2022379317-A1 · Dec 1, 2022 · US
Underground coal hypergravity field separation system and separation process
US-2022314233-A1 · Oct 6, 2022 · US
Method and process for upgrading lignite by collaborative optimization of drying and dry sorting
US-11434444-B2 · Sep 6, 2022 · US
Underground coal separation process
US-11396024-B2 · Jul 26, 2022 · US
Underground coal separation process adopting water medium
US-11358152-B2 · Jun 14, 2022 · US
Cleaning and dewatering fine coal
US-11331676-B2 · May 17, 2022 · US
Coal and gangue separation device
US-2022134353-A1 · May 5, 2022 · US
Methods for Separating and Dewatering Fine Particles
US-2022010226-A1 · Jan 13, 2022 · US
Wide-size-fraction flotation system and process
US-2021402414-A1 · Dec 30, 2021 · US
Method and process for upgrading lignite by collaborative optimization of drying and dry sorting
US-2021292672-A1 · Sep 23, 2021 · US
Underground coal separation process
US-2021162427-A1 · Jun 3, 2021 · US
Underground coal separation process adopting water medium
US-2021094045-A1 · Apr 1, 2021 · US
Methods for separating and dewatering fine particles
US-10913912-B2 · Feb 9, 2021 · US
Process for macroscopically separating maceral concentrate from raw coal
US-10906048-B1 · Feb 2, 2021 · US
Process for Macroscopically Separating Maceral Concentrate From Raw Coal
US-2021016292-A1 · Jan 21, 2021 · US
Cleaning and Dewatering Fine Coal
US-2020179941-A1 · Jun 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B03B9/005?
- CPC B03B9/005 is the Cooperative Patent Classification code for “specially adapted for coal.”
- How many patents are filed under CPC B03B9/005 (specially adapted for coal)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC B03B9/005 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).