Chemical looping gasification method for iron-rich sludge
US-12503659-B2 · Dec 23, 2025 · US
Apparatus; Plants
Apparatus; Plants · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10J3/56 |
| Official title | Apparatus; Plants |
| Display label | Apparatus; Plants |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 9 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 3 |
| 2024 | 2 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Chemical looping gasification method for iron-rich sludge
US-2025333659-A1 · Oct 30, 2025 · US
Systems and methods for redox thermal degradation of plastic materials
US-2025270459-A1 · Aug 28, 2025 · US
Syngas conditioning
US-2025170545-A1 · May 29, 2025 · US
Process for preparing fuel gas through graded pyrolysis and gasification of powdered coal
US-12305132-B2 · May 20, 2025 · US
Process for preparing fuel gas through graded pyrolysis and gasification of powdered coal
US-2025075138-A1 · Mar 6, 2025 · US
Method and apparatus for treating raw material and use
US-2024375073-A1 · Nov 14, 2024 · US
Method and apparatus for heating fluidizing agent and use
US-2024253001-A1 · Aug 1, 2024 · US
Method and device for heavy oil lightening and synthesis gas production
US-11230677-B2 · Jan 25, 2022 · US
Integrated method and integrated device for heavy oil contact lightening and coke gasification
US-11230678-B2 · Jan 25, 2022 · US
Integrated method and apparatus for catalytic cracking of heavy oil and production of syngas
US-11230674-B2 · Jan 25, 2022 · US
Method and device for heavy oil lightening and synthesis gas production
US-2021087483-A1 · Mar 25, 2021 · US
Integrated method and integrated device for heavy oil contact lightening and coke gasification
US-2021087484-A1 · Mar 25, 2021 · US
Integrated method and apparatus for catalytic cracking of heavy oil and production of syngas
US-2021087479-A1 · Mar 25, 2021 · US
Method of biomass grading pyrolysis gasification in a circulating fluidized bed
US-10787620-B2 · Sep 29, 2020 · US
Method of biomass grading pyrolysis gasification in a circulating fluidized bed
US-2020224110-A1 · Jul 16, 2020 · US
Gasification co-generation process of coal powder in a Y-type entrained flow bed
US-10711209-B2 · Jul 14, 2020 · US
Method and arrangement for burning lime mud
US-10676395-B2 · Jun 9, 2020 · US
Gasification co-generation process of coal powder in a y-type entrained flow bed
US-2020140769-A1 · May 7, 2020 · US
Combustor-independent fluidized bed indirect gasification system
US-10533143-B2 · Jan 14, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10J3/56?
- CPC C10J3/56 is the Cooperative Patent Classification code for “Apparatus; Plants.”
- How many patents are filed under CPC C10J3/56 (Apparatus; Plants)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC C10J3/56 growing?
- Publication counts under this code: 2 in 2024 vs 6 in 2025 (latest complete years).