Al coating layer-equipped stainless steel sheet
US-12534810-B2 · Jan 27, 2026 · US
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more than one element being diffused in more than one step
more than one element being diffused in more than one step · 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 | C23C10/58 |
| Official title | more than one element being diffused in more than one step |
| Display label | more than one element being diffused in more than one step |
| Total patents | 18 |
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 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for converting an existing industrial unit to produce hydrogen from ammonia
US-12331388-B2 · Jun 17, 2025 · US
Slurry based diffusion coatings for blade under platform of internally-cooled components and process therefor
US-12320271-B2 · Jun 3, 2025 · US
Coated part comprising a protective coating based on MAX phases
US-12195857-B2 · Jan 14, 2025 · US
Slurry based diffusion coatings for blade under platform of internally-cooled components and process therefor
US-2024271531-A1 · Aug 15, 2024 · US
Slurry based diffusion coatings for blade under platform of internally-cooled components and process therefor
US-11970953-B2 · Apr 30, 2024 · US
Method for converting an existing industrial unit to produce hydrogen from ammonia
US-2024068081-A1 · Feb 29, 2024 · US
Al COATING LAYER-EQUIPPED STAINLESS STEEL SHEET
US-2023193474-A1 · Jun 22, 2023 · US
Coating for refractory alloy part
US-11542586-B2 · Jan 3, 2023 · US
Superalloy aircraft part comprising a cooling channel
US-2022356555-A1 · Nov 10, 2022 · US
Coated part comprising a protective coating based on max phases
US-2022325417-A1 · Oct 13, 2022 · US
Method for producing porous member
US-11180857-B2 · Nov 23, 2021 · US
Coating for refractory alloy part
US-2021292882-A1 · Sep 23, 2021 · US
Coating for steel, coated steel and a method of the same
US-2021172069-A1 · Jun 10, 2021 · US
Slurry based diffusion coatings for blade under platform of internally-cooled components and process therefor
US-2021054744-A1 · Feb 25, 2021 · US
Diffusion coatings for metal-based substrate and methods of preparation thereof
US-9909019-B2 · Mar 6, 2018 · US
Diffusion coatings for metal-based substrate and methods of preparation thereof
US-2016376693-A1 · Dec 29, 2016 · US
Airfoil arrangement with ptal bond coating and thermal barrier coating, and corresponding manufacturing method
US-2015322804-A1 · Nov 12, 2015 · US