Refractory casting nozzle for a changing device arranged at the outlet of a metallurgical vessel
US-12440891-B2 · Oct 14, 2025 · US
Connection arrangements; Sealing means therefor
Connection arrangements; Sealing means therefor · 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 | B22D41/502 |
| Official title | {Connection arrangements; Sealing means therefor} |
| Display label | Connection arrangements; Sealing means therefor |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Immersion nozzle exchanging apparatus and upper nozzle
US-2025091125-A1 · Mar 20, 2025 · US
Leak-Proof Upper Tundish Nozzle
US-2024375174-A1 · Nov 14, 2024 · US
Certain-shaped joint material for hot installation
US-11925980-B2 · Mar 12, 2024 · US
Nozzle, and nozzle and stopper combination
US-11745257-B2 · Sep 5, 2023 · US
Connection device and connection assembly
US-11660668-B2 · May 30, 2023 · US
Installation structure for nozzle/plug seating block
US-2023032307-A1 · Feb 2, 2023 · US
Refractory casting nozzle for a changing device arranged at the outlet of a metallurgical vessel
US-2023027735-A1 · Jan 26, 2023 · US
Collector nozzle for continuous casting
US-11389863-B2 · Jul 19, 2022 · US
Nozzle, and nozzle and stopper combination
US-2022111436-A1 · Apr 14, 2022 · US
Connection device and connection assembly
US-2021394262-A1 · Dec 23, 2021 · US
Collector nozzle for continuous casting
US-2021362219-A1 · Nov 25, 2021 · US
Certain-shaped joint material for hot installation
US-2021339312-A1 · Nov 4, 2021 · US
Casting nozzle
US-11117187-B2 · Sep 14, 2021 · US
Installation structure for nozzle/plug seating block
US-2021001398-A1 · Jan 7, 2021 · US
Nozzle structure
US-10799950-B2 · Oct 13, 2020 · US
Immersion nozzle replacement method
US-10682696-B2 · Jun 16, 2020 · US
Method of forming sealed refractory joints in metal-containment vessels, and vessels containing sealed joints
US-10646920-B2 · May 12, 2020 · US
Casting nozzle
US-2020108440-A1 · Apr 9, 2020 · US
Immersion nozzle replacement method
US-2019070661-A1 · Mar 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B22D41/502?
- CPC B22D41/502 is the Cooperative Patent Classification code for “Connection arrangements; Sealing means therefor.”
- How many patents are filed under CPC B22D41/502 (Connection arrangements; Sealing means therefor)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B22D41/502 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).