Corrosion and mar resistance of steel components
US-2019376188-A1 · Dec 12, 2019 · US
Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02)
Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) · 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 | C23G1/00 |
| Official title | Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) |
| Display label | Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02) |
| Total patents | 215 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 10 |
| 2017 | 20 |
| 2018 | 16 |
| 2019 | 13 |
| 2020 | 30 |
| 2021 | 21 |
| 2022 | 34 |
| 2023 | 27 |
| 2024 | 22 |
| 2025 | 9 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Near Neutral pH Pickle on Multi-metals
US-2019345617-A1 · Nov 14, 2019 · US
Near neutral pH pickle on multi-metals
US-10443135-B1 · Oct 15, 2019 · US
Washing method and apparatus for removing contaminations from article
US-10391525-B2 · Aug 27, 2019 · US
Aluminum alloy conductive member for transport device
US-2019136384-A1 · May 9, 2019 · US
Surface treatment method of aluminum for bonding different materials
US-2019127857-A1 · May 2, 2019 · US
Composition for reducing the removal of material by pickling in the pickling of metal surfaces that contain galvanized and/or ungalvanized steel
US-2019112717-A1 · Apr 18, 2019 · US
Connector for non-cylindrical composite tubing and methods for making the same
US-10233953-B1 · Mar 19, 2019 · US
Device and method for hydrogen production with waste aluminum, and method for hydrogen production with aluminum
US-2019039888-A1 · Feb 7, 2019 · US
Filament for high strength steel cord
US-10156001-B2 · Dec 18, 2018 · US
Cleaning compositions and methods for removing oxides from superalloy substrates
US-2018355492-A1 · Dec 13, 2018 · US
Ferritic stainless steel sheet having excellent brazability, heat exchanger, ferritic stainless steel sheet for heat exchangers, ferritic stainless steel, ferritic stainless steel for members of fuel supply systems, and member of fuel supply system
US-10131977-B2 · Nov 20, 2018 · US
High-strength hot-dip galvanized steel sheet excellent in impact peeling resistance and worked portion corrosion resistance
US-2018312954-A1 · Nov 1, 2018 · US
Method for producing a heat exchanger
US-2018305820-A1 · Oct 25, 2018 · US
High-strength hot-dip coated hot-rolled steel sheet and method for manufacturing the same
US-2018305786-A1 · Oct 25, 2018 · US
Method of producing cold rolled steel strip and production system for cold rolled steel strip
US-2018298503-A1 · Oct 18, 2018 · US
Plated steel plate and manufacturing method thereof
US-2018265943-A1 · Sep 20, 2018 · US
Steel sheet and method of production of same
US-2018135146-A1 · May 17, 2018 · US
Steel sheet and method for production thereof
US-2018127848-A1 · May 10, 2018 · US
High-strength steel sheet and method for manufacturing same
US-2018127847-A9 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23G1/00?
- CPC C23G1/00 is the Cooperative Patent Classification code for “Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02).”
- How many patents are filed under CPC C23G1/00 (Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G5/02))?
- Our database includes 215 publications tagged with this CPC code.
- Is patent activity under CPC C23G1/00 growing?
- Publication counts under this code: 22 in 2024 vs 9 in 2025 (latest complete years).