Coated substrate
US-2025327204-A1 · Oct 23, 2025 · US
on light metals
on light metals · 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 | C25D9/12 |
| Official title | on light metals |
| Display label | on light metals |
| Total patents | 61 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 12 |
| 2018 | 12 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Surface-coated cutting tool
US-2025214147-A1 · Jul 3, 2025 · US
Alloy member, sliding member, and apparatus
US-12259007-B2 · Mar 25, 2025 · US
Treated substrates
US-12104272-B2 · Oct 1, 2024 · US
Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheet
US-11939693-B2 · Mar 26, 2024 · US
Treated substrates
US-2023203699-A1 · Jun 29, 2023 · US
Solution composition and method for single-bath post treatment of substrate
US-11624121-B2 · Apr 11, 2023 · US
Methods for electrolytically depositing pretreatment compositions
US-11591707-B2 · Feb 28, 2023 · US
Methods for electrolytically depositing pretreatment compositions
US-2022403540-A1 · Dec 22, 2022 · US
Aluminum foil and aluminum member for electrodes
US-11527758-B2 · Dec 13, 2022 · US
Alloy member, sliding member, apparatus, and method for manufacturing alloy member
US-2022275835-A1 · Sep 1, 2022 · US
Multilayer structure and method for producing multilayer structure
US-11377743-B2 · Jul 5, 2022 · US
Electrolytic process for deposition of chemical conversion coatings
US-11155928-B2 · Oct 26, 2021 · US
Surface-treated steel sheet, metal container, and method for producing surface-treated steel sheet
US-2021310146-A1 · Oct 7, 2021 · US
Electrolytic process for deposition of chemical conversion coatings
US-2021189580-A1 · Jun 24, 2021 · US
Hydroxyapatite based composition and film thereof comprising inorganic fullerene-like nanoparticles or inorganic nanotubes
US-2020392001-A1 · Dec 17, 2020 · US
Aluminum plate and method for manufacturing aluminum plate
US-10862133-B2 · Dec 8, 2020 · US
Culinary item comprising a rare earth oxide layer
US-10815571-B2 · Oct 27, 2020 · US
Aluminum foil and aluminum member for electrodes
US-2020243865-A1 · Jul 30, 2020 · US
Solution composition and method for single-bath post treatment of substrate
US-2020232113-A1 · Jul 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D9/12?
- CPC C25D9/12 is the Cooperative Patent Classification code for “on light metals.”
- How many patents are filed under CPC C25D9/12 (on light metals)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C25D9/12 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).