Method of producing anti-scaling and anti-galling coating on an internal surface of a tubular member
US-2025257839-A1 · Aug 14, 2025 · US
Nickel; Chromium
Nickel; Chromium · 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 | C25D5/40 |
| Official title | Nickel; Chromium |
| Display label | Nickel; Chromium |
| Total patents | 61 |
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 | 5 |
| 2016 | 7 |
| 2017 | 9 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 11 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method of trivalent chromium plated part
US-2025215599-A1 · Jul 3, 2025 · US
Roughened plated sheet
US-2024376624-A1 · Nov 14, 2024 · US
Roughened plated sheet
US-12104271-B2 · Oct 1, 2024 · US
Nanowire based hydrogen sensors
US-2024310344-A1 · Sep 19, 2024 · US
Nanowire based hydrogen sensors
US-11913929-B2 · Feb 27, 2024 · US
Roughened plated sheet
US-2023340685-A1 · Oct 26, 2023 · US
Roughened plated sheet
US-11732376-B2 · Aug 22, 2023 · US
Copper nanowire grown shape-memory-alloy, artificial muscle including the same, and manufacturing method thereof
US-11692279-B2 · Jul 4, 2023 · US
Copper nanowire grown shape-memory-alloy, artificial muscle including the same, and manufacturing method thereof
US-2022380925-A1 · Dec 1, 2022 · US
Roughened plated sheet
US-2022235483-A1 · Jul 28, 2022 · US
Connector terminal material and terminal for connector
US-2022069498-A1 · Mar 3, 2022 · US
Aqueous indium or indium alloy plating bath and process for deposition of indium or an indium alloy
US-2020392637-A1 · Dec 17, 2020 · US
Coating for a nickel-base superalloy
US-10844492-B2 · Nov 24, 2020 · US
Aqueous indium or indium alloy plating bath and process for deposition of indium or an indium alloy
US-10793962-B2 · Oct 6, 2020 · US
Electrodeposited nickel-chromium alloy
US-2020291797-A1 · Sep 17, 2020 · US
Process for indium or indium alloy deposition and article
US-10753007-B2 · Aug 25, 2020 · US
Nanowire based hydrogen sensors
US-2020256838-A1 · Aug 13, 2020 · US
Surface treatment method
US-2020224325-A1 · Jul 16, 2020 · US
Electrodeposited nickel-chromium alloy
US-10669867-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25D5/40?
- CPC C25D5/40 is the Cooperative Patent Classification code for “Nickel; Chromium.”
- How many patents are filed under CPC C25D5/40 (Nickel; Chromium)?
- Our database includes 61 publications tagged with this CPC code.
- Is patent activity under CPC C25D5/40 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).