Method for deriving fault diagnosis rules of blast furnace based on deep neural network
US-12182700-B2 · Dec 31, 2024 · US
Test rods or other checking devices
Test rods or other checking devices · 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 | C21B7/24 |
| Official title | Test rods or other checking devices |
| Display label | Test rods or other checking devices |
| Total patents | 88 |
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 | 6 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 14 |
| 2023 | 8 |
| 2024 | 18 |
| 2025 | 17 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Information processing method, information processing device, information processing system, information processing program, and method of operating a blast furnace
US-2024426728-A1 · Dec 26, 2024 · US
Supply heat quantity estimating method, supply heat quantity estimating device, supply heat quantity estimating program, and blast furnace operating method
US-2024368715-A1 · Nov 7, 2024 · US
Refractory lance assembly and refractory lance tube
US-2024344995-A1 · Oct 17, 2024 · US
Hot metal temperature prediction method, operation guidance method, method of manufacturing hot metal, hot metal temperature prediction apparatus, operation guidance apparatus, blast furnace operation guidance system, blast furnace operation guidance server, and terminal apparatus
US-2024318269-A1 · Sep 26, 2024 · US
Shaft furnace condition monitoring
US-12071675-B2 · Aug 27, 2024 · US
Supply heat amount estimating method, supply heat amount estimating device, and blast furnace operating method
US-2024271231-A1 · Aug 15, 2024 · US
Supplied heat quantity estimation method, supplied heat quantity estimation device, supplied heat quantity estimation program, and blast furnace operation method
US-2024218471-A1 · Jul 4, 2024 · US
Supplied heat quantity estimation method, supplied heat quantity estimation device, supplied heat quantity estimation program, and blast furnace operation method
US-2024218472-A1 · Jul 4, 2024 · US
Supplied heat quantity estimation method, supplied heat quantity estimation device, supplied heat quantity estimation program, and blast furnace operation method
US-2024218473-A1 · Jul 4, 2024 · US
Method for producing pig iron
US-2024167111-A1 · May 23, 2024 · US
Residual liquid amount detection method and detection apparatus for the same, residual molten material amount detection method and detection apparatus for the same, and method for operating vertical furnace
US-2024132982-A1 · Apr 25, 2024 · US
Blast furnace apparatus and operation method for blast furnace
US-11940215-B2 · Mar 26, 2024 · US
Method and device for monitoring blast furnace state based on multi-modes fusion
US-2024026474-A1 · Jan 25, 2024 · US
Computer system and method providing operating instructions for thermal control of a blast furnace
US-2023359155-A1 · Nov 9, 2023 · US
Production method of pig iron
US-2023313328-A1 · Oct 5, 2023 · US
Operation guidance method, blast furnace operation method, hot metal manufacturing method, and operation guidance apparatus
US-2023313329-A1 · Oct 5, 2023 · US
Method for controlling hot metal temperature, operation guidance method, method for operating blast furnace, method for producing hot metal, device for controlling hot metal temperature, and operation guidance device
US-2023251036-A1 · Aug 10, 2023 · US
Method for Predicting Burning Through Point Based on Encoder-Decoder Network
US-2023177313-A1 · Jun 8, 2023 · US
Method for detecting fluctuation of solidified layer and method for operating blast furnace
US-2023151448-A1 · May 18, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C21B7/24?
- CPC C21B7/24 is the Cooperative Patent Classification code for “Test rods or other checking devices.”
- How many patents are filed under CPC C21B7/24 (Test rods or other checking devices)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC C21B7/24 growing?
- Publication counts under this code: 18 in 2024 vs 17 in 2025 (latest complete years).