Marine salinity measuring arrangement and method
US-2025306063-A1 · Oct 2, 2025 · US
cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions · 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 | C23F13/02 |
| Official title | cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions |
| Display label | cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions |
| Total patents | 40 |
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 | 3 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and electric circuit arrangements for protection of metallic components from corrosion via stray currents
US-2023249555-A1 · Aug 10, 2023 · US
System and method for cathodic protection by distributed sacrificial anodes
US-2023235463-A1 · Jul 27, 2023 · US
System for impressed current cathodic protection
US-11591764-B2 · Feb 28, 2023 · US
Corrosion resistance tester for coated metal material
US-11566996-B2 · Jan 31, 2023 · US
System and method for analyzing cathodic protection current shielding of a coating
US-11467083-B2 · Oct 11, 2022 · US
Corrosion Prevention Device
US-2022145475-A1 · May 12, 2022 · US
Clamp for pipe
US-11268647-B2 · Mar 8, 2022 · US
Apparatus and method for in-situ cathodic protection of piggable water pipelines
US-11072005-B2 · Jul 27, 2021 · US
System and method for analyzing cathodic protection current shielding of a coating
US-2021172860-A1 · Jun 10, 2021 · US
Carbon fiber textile reinforcing member with anodic metal line and method of repairing and reinforcing concrete structure using the same
US-10927464-B2 · Feb 23, 2021 · US
Load arrangement for powering a load
US-10822759-B2 · Nov 3, 2020 · US
Two-step sealing of anodized aluminum coatings
US-10760164-B2 · Sep 1, 2020 · US
Apparatus and method for in-situ cathodic protection of piggable water pipelines
US-10744543-B2 · Aug 18, 2020 · US
Apparatus and Method for In-Situ Cathodic Protection of Piggable Water Pipelines
US-2020254496-A1 · Aug 13, 2020 · US
Corrosion resistance tester for coated metal material
US-2020232905-A1 · Jul 23, 2020 · US
System for impressed current cathodic protection
US-2020109478-A1 · Apr 9, 2020 · US
Load arrangement for powering a load
US-2019352872-A1 · Nov 21, 2019 · US
Apparatus and Method for In-Situ Cathodic Protection of Piggable Water Pipelines
US-2019143383-A1 · May 16, 2019 · US
Carbon fiber textile reinforcing member with anodic metal line and method of repairing and reinforcing concrete structure using the same
US-2019136389-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F13/02?
- CPC C23F13/02 is the Cooperative Patent Classification code for “cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions.”
- How many patents are filed under CPC C23F13/02 (cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC C23F13/02 growing?
- Publication counts under this code: 4 in 2023 vs 1 in 2025 (latest complete years).