Cathode material drying device and cathode material drying production line
US-12595962-B2 · Apr 7, 2026 · US
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Charging
Charging · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27B7/3205 |
| Official title | {Charging} |
| Display label | Charging |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary Kiln
US-2025264277-A1 · Aug 21, 2025 · US
Rotary kiln
US-2025093101-A1 · Mar 20, 2025 · US
Rotary kiln
US-12188723-B2 · Jan 7, 2025 · US
Sorting device
US-12145895-B2 · Nov 19, 2024 · US
Direct reduction of iron by hydrogen plasma in a rotary kiln reactor
US-2024110254-A1 · Apr 4, 2024 · US
Oxyfuel clinker production with special oxygen addition
US-11878950-B2 · Jan 23, 2024 · US
Cathode material drying device and cathode material drying production line
US-2024011709-A1 · Jan 11, 2024 · US
Rotary kiln
US-2023204286-A1 · Jun 29, 2023 · US
Sorting device
US-2023194173-A1 · Jun 22, 2023 · US
Installation for the thermal treatment of dispersible raw material, and method for operating such an installation
US-2023175778-A1 · Jun 8, 2023 · US
Cement-manufacturing plant and process for producing cement clinker
US-2023152037-A1 · May 18, 2023 · US
Organic sludge treatment device and treatment method
US-11591246-B2 · Feb 28, 2023 · US
Oxy-fuel combustion system and method for melting a pelleted charge material
US-11060792-B2 · Jul 13, 2021 · US
Oxyfuel clinker production with special oxygen addition
US-2021198142-A1 · Jul 1, 2021 · US
Organic sludge treatment device and treatment method
US-2021009455-A1 · Jan 14, 2021 · US
Oxy-Fuel Combustion System and Method for Melting a Pelleted Charge Material
US-2019293351-A1 · Sep 26, 2019 · US
Process and apparatus for improving the combustion of secondary fuel in a rotary kiln and process for retrofitting a rotary kiln with a burner assembly
US-10087104-B2 · Oct 2, 2018 · US
Cement production apparatus
US-9676664-B2 · Jun 13, 2017 · US
Cement production apparatus
US-9587881-B2 · Mar 7, 2017 · US