System and method for thermally treatment of air-dispersible raw material
US-12540098-B2 · Feb 3, 2026 · US
Preheating with addition of fuel, e.g. calcining
Preheating with addition of fuel, e.g. calcining · 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 | C04B7/434 |
| Official title | {Preheating with addition of fuel, e.g. calcining} |
| Display label | Preheating with addition of fuel, e.g. calcining |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cement clinker production system and cement clinker production method
US-12515985-B2 · Jan 6, 2026 · US
Apparatus and method for manufacturing a product
US-2025297807-A1 · Sep 25, 2025 · US
Method for producing cement clinker
US-2025214891-A1 · Jul 3, 2025 · US
Method for producing cement clinker
US-2025206661-A1 · Jun 26, 2025 · US
Low-carbon production method and system for cement clinker
US-2025197281-A1 · Jun 19, 2025 · US
Method for preparing general-purpose cement by chlorination roasting of aluminosilicates
US-2025154055-A1 · May 15, 2025 · US
METHOD FOR PRODUCING CALCINED PRODUCT COMPRISING gamma-2CaOSiO2
US-2025051227-A1 · Feb 13, 2025 · US
Process for the production of a cement substitute
US-2024400447-A1 · Dec 5, 2024 · US
Assembly for reducing co2 emission in plants for clinker production
US-2024360033-A1 · Oct 31, 2024 · US
Method for preparing general-purpose cement
US-2024360034-A1 · Oct 31, 2024 · US
Method and Apparatus for Evaluating Residual Sulphur in a Cement Preheater, Method for Evaluating Blockage of a Cement Preheater, and a Cement Preheater
US-2024336522-A1 · Oct 10, 2024 · US
Method of preparing alkali-activated cement by stepwise calcination with sodium chloride
US-2024327282-A1 · Oct 3, 2024 · US
System and method for thermally treatment of air-dispersible raw material
US-2024116809-A1 · Apr 11, 2024 · US
Method of calcining a clay material
US-2024101477-A1 · Mar 28, 2024 · US
Method of producing clinker from cement raw meal
US-2024002288-A1 · Jan 4, 2024 · US
Oxyfuel clinker production without recirculation of the preheater exhaust gases
US-11820718-B2 · Nov 21, 2023 · US
Cement clinker production system and cement clinker production method
US-2023365464-A1 · Nov 16, 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B7/434?
- CPC C04B7/434 is the Cooperative Patent Classification code for “Preheating with addition of fuel, e.g. calcining.”
- How many patents are filed under CPC C04B7/434 (Preheating with addition of fuel, e.g. calcining)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C04B7/434 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).