Conformal copper deposition on thin liner layer
US-2025333845-A1 · Oct 30, 2025 · US
only one step pretreatment
only one step pretreatment · 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 | C23C18/1827 |
| Official title | {only one step pretreatment} |
| Display label | only one step pretreatment |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal material and method for manufacturing metal material
US-12428732-B2 · Sep 30, 2025 · US
Substrate processing apparatus and substrate processing method
US-12276027-B2 · Apr 15, 2025 · US
Applying coatings to the interior surfaces of heat exchangers
US-11835307-B2 · Dec 5, 2023 · US
Mold die, method of manufacturing mold die, injection molding apparatus, and method of manufacturing mold product
US-11712828-B2 · Aug 1, 2023 · US
Composite member
US-11668009-B2 · Jun 6, 2023 · US
Metal material and method for manufacturing metal material
US-2023090510-A1 · Mar 23, 2023 · US
System, Apparatus and Method for Utilizing Surface Mount Technology on Metal Substrates
US-2022408565-A1 · Dec 22, 2022 · US
Method and apparatus for processing a substrate
US-11371155-B2 · Jun 28, 2022 · US
Substrate processing apparatus and substrate processing method
US-2022154342-A1 · May 19, 2022 · US
Applying coatings to the interior surfaces of heat exchangers
US-2021404754-A1 · Dec 30, 2021 · US
Applying coatings to the interior surfaces of heat exchangers
US-11054199-B2 · Jul 6, 2021 · US
Mold die, method of manufacturing mold die, injection molding apparatus, and method of manufacturing mold product
US-2021146582-A1 · May 20, 2021 · US
Composite member and method of manufacturing composite member
US-2021002769-A1 · Jan 7, 2021 · US
Applying Coatings To The Interior Surfaces Of Heat Exchangers
US-2020326145-A1 · Oct 15, 2020 · US
Aluminum alloy magnetic disk substrate and method for producing same
US-10767247-B2 · Sep 8, 2020 · US
System, Apparatus and Method for Utilizing Surface Mount Technology on Metal Substrates
US-2020205295-A1 · Jun 25, 2020 · US
Method and apparatus for processing a substrate
US-2020080218-A1 · Mar 12, 2020 · US
Aluminum alloy magnetic disk substrate and method for producing same
US-2019390304-A1 · Dec 26, 2019 · US
Method and apparatus for processing a substrate
US-10508352-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23C18/1827?
- CPC C23C18/1827 is the Cooperative Patent Classification code for “only one step pretreatment.”
- How many patents are filed under CPC C23C18/1827 (only one step pretreatment)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C23C18/1827 growing?
- Publication counts under this code: 4 in 2023 vs 3 in 2025 (latest complete years).