Sliding closure for a container containing molten metal
US-2025312843-A1 · Oct 9, 2025 · US
Means for operating the sliding gate
Means for operating the sliding gate · 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 | B22D41/38 |
| Official title | Means for operating the sliding gate |
| Display label | Means for operating the sliding gate |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sliding nozzle device mounting system
US-2025296144-A1 · Sep 25, 2025 · US
Sliding nozzle apparatus
US-2025162024-A1 · May 22, 2025 · US
Method for maintenance of a sliding closure at the outlet of a metallurgical vessel
US-2024342789-A1 · Oct 17, 2024 · US
Slide gate on the spout of a metallurgical vessel
US-12103070-B2 · Oct 1, 2024 · US
Sliding closure at the outlet of a metallurgical vessel
US-12070796-B2 · Aug 27, 2024 · US
Method for maintaining a slide gate on a vessel containing a metal melt, and a slide gate
US-2024253112-A1 · Aug 1, 2024 · US
Mounting device
US-2024116103-A1 · Apr 11, 2024 · US
Sliding nozzle device
US-2024116102-A1 · Apr 11, 2024 · US
Device for opening/closing
US-11938534-B2 · Mar 26, 2024 · US
Slide Gate on the Spout of a Metallurgical Vessel
US-2023278096-A1 · Sep 7, 2023 · US
Connection device and connection assembly
US-11660668-B2 · May 30, 2023 · US
Sliding nozzle
US-11235384-B2 · Feb 1, 2022 · US
Device for opening/closing
US-2022016695-A1 · Jan 20, 2022 · US
Connection device and connection assembly
US-2021394262-A1 · Dec 23, 2021 · US
Sliding gate for a vessel containing molten metal
US-11192180-B2 · Dec 7, 2021 · US
Method for servicing a sliding closure at the spout of a metallurgical vessel, and a slide closure
US-2021339311-A1 · Nov 4, 2021 · US
Control method and apparatus for inhibiting slag entrapment in ladle in last stage of pouring during continuous casting
US-11154926-B2 · Oct 26, 2021 · US
Plate, and holding apparatus and holding method for the plate
US-11135646-B2 · Oct 5, 2021 · US
Sliding nozzle apparatus
US-2020391281-A1 · Dec 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D41/38?
- CPC B22D41/38 is the Cooperative Patent Classification code for “Means for operating the sliding gate.”
- How many patents are filed under CPC B22D41/38 (Means for operating the sliding gate)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B22D41/38 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).