Continuous casting tundish, method for continuously casting steel, and weir
US-2026070119-A1 · Mar 12, 2026 · US
by treating with gases (B22D11/118, B22D11/119 take precedence)
by treating with gases (B22D11/118, B22D11/119 take precedence) · 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 | B22D11/117 |
| Official title | by treating with gases (B22D11/118, B22D11/119 take precedence) |
| Display label | by treating with gases (B22D11/118, B22D11/119 take precedence) |
| Total patents | 57 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 10 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tundish and continuous casting method using same
US-2025222515-A1 · Jul 10, 2025 · US
Operation method of ladle refining treatment
US-12172208-B2 · Dec 24, 2024 · US
Method for maintaining the optimal amount of inert gas being injected into cast steel
US-12083590-B2 · Sep 10, 2024 · US
Method for producing ultra-low carbon steel product
US-2023287543-A1 · Sep 14, 2023 · US
Method for maintaining the optimal amount of inert gas being injected into cast steel
US-2023201919-A1 · Jun 29, 2023 · US
Tundish
US-11684969-B2 · Jun 27, 2023 · US
High-throughout continuous casting and rolling Al—Mg—Mn alloy plate for ships and the preparation process thereof
US-11674202-B2 · Jun 13, 2023 · US
Apparatus and method to control continuous casting, using electromagnetic brake
US-11597004-B2 · Mar 7, 2023 · US
High-throughout continuous casting and rolling Al-Mg-Mn alloy plate for ships and the preparation process thereof
US-2023037513-A1 · Feb 9, 2023 · US
Operation method of ladle refining treatment
US-2023012857-A1 · Jan 19, 2023 · US
Gas purging plug, gas purging system, method for characterization of a gas purging plug and method for purging a metal melt
US-11408040-B2 · Aug 9, 2022 · US
In-line pressurization chamber for casting
US-2022226885-A1 · Jul 21, 2022 · US
Nozzle, casting apparatus, and cast product manufacturing method
US-11351600-B2 · Jun 7, 2022 · US
Socket installation structure of refractory article
US-11213886-B2 · Jan 4, 2022 · US
Molten material treatment apparatus
US-11203059-B2 · Dec 21, 2021 · US
Ultrasonic enhancement of direct chill cast materials
US-2021316357-A1 · Oct 14, 2021 · US
Tundish
US-2021291260-A1 · Sep 23, 2021 · US
Metal member
US-2021277504-A1 · Sep 9, 2021 · US
Apparatus and method to control continuous casting, using electromagnetic brake
US-2021268575-A1 · Sep 2, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D11/117?
- CPC B22D11/117 is the Cooperative Patent Classification code for “by treating with gases (B22D11/118, B22D11/119 take precedence).”
- How many patents are filed under CPC B22D11/117 (by treating with gases (B22D11/118, B22D11/119 take precedence))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC B22D11/117 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).