Battery pack with reversible connector and zero volt stability
US-2025286254-A1 · Sep 11, 2025 · US
Anodic protection
Anodic protection · 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 | C23F13/005 |
| Official title | {Anodic protection} |
| Display label | Anodic protection |
| Total patents | 54 |
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 | 6 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 11 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anti-corrosion wear-resistant drill pipe and preparation method thereof
US-12385144-B1 · Aug 12, 2025 · US
System, method and apparatus for providing anodic corrosion protection for galvanized irrigation pipes
US-12012659-B2 · Jun 18, 2024 · US
Low voltage sacrificial electrodes
US-2024186591-A1 · Jun 6, 2024 · US
Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate
US-11780799-B2 · Oct 10, 2023 · US
Method for manufacturing aluminium alloy sheet and electronic device including same
US-2023040926-A1 · Feb 9, 2023 · US
Self-healing anti-icing aluminum conductor steel-reinforced with composite microporous structure and preparation method thereof
US-2023023650-A1 · Jan 26, 2023 · US
Method for chemical polish for metal pieces
US-2022372633-A1 · Nov 24, 2022 · US
Conductive elements electrically coupled to fluidic dies
US-11433670-B2 · Sep 6, 2022 · US
Clamp for pipe
US-11268647-B2 · Mar 8, 2022 · US
System and method for service life management using corrosion managed connectors
US-2022025524-A1 · Jan 27, 2022 · US
Marine vessel propulsion device
US-11131233-B2 · Sep 28, 2021 · US
System, method and apparatus for providing anodic corrosion protection for galvanized irrigation pipes
US-2021269925-A1 · Sep 2, 2021 · US
Conductive elements electrically coupled to fluidic dies
US-2021252858-A1 · Aug 19, 2021 · US
Corrosion inhibiting additive
US-11091840-B2 · Aug 17, 2021 · US
Single self-insulating contact for wet electrical connector
US-2021249805-A1 · Aug 12, 2021 · US
Single self-insulating contact for wet electrical connector
US-11069995-B1 · Jul 20, 2021 · US
Offshore installation
US-11066800-B2 · Jul 20, 2021 · US
Marine vessel propulsion device
US-2021102489-A1 · Apr 8, 2021 · US
Offshore installation
US-2020378082-A1 · Dec 3, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F13/005?
- CPC C23F13/005 is the Cooperative Patent Classification code for “Anodic protection.”
- How many patents are filed under CPC C23F13/005 (Anodic protection)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C23F13/005 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).