Carbon fiber reinforced polymer (cfrp) strengthening system with reinforcement and cathodic protection functions for steel bridge
US-2026015806-A1 · Jan 15, 2026 · US
Conducting electric current to electrodes
Conducting electric current to electrodes · 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 | C23F13/20 |
| Official title | Conducting electric current to electrodes |
| Display label | Conducting electric current to electrodes |
| Total patents | 42 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Smart carbon fiber reinforced polymer-shape memory alloy bar reinforced concrete structure integrating cathodic protection, force sensing, and bearing capacity self-adjustment
US-12492480-B2 · Dec 9, 2025 · US
Smart carbon fiber reinforced polymer-shape memory alloy bar reinforced concrete structure integrating cathodic protection, force sensing, and bearing capacity self-adjustment
US-2025333850-A1 · Oct 30, 2025 · US
Universal cathodic protection system
US-2025283224-A1 · Sep 11, 2025 · US
Cathodic protection system and method
US-12173414-B2 · Dec 24, 2024 · US
Gravity-contact sacrificial anode
US-2024287684-A1 · Aug 29, 2024 · US
Reverse bias for corrosion protection in liquid cooling systems
US-2024206115-A1 · Jun 20, 2024 · US
Electrolysis device
US-2024183045-A1 · Jun 6, 2024 · US
Anticorrotion system
US-2024117500-A1 · Apr 11, 2024 · US
Photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes, the preparation method thereof and a method of using the photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes
US-11761110-B2 · Sep 19, 2023 · US
Photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes, the preparation method thereof and a method of using the photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes
US-2023227993-A1 · Jul 20, 2023 · US
Cathodic protection system and method
US-2023193480-A1 · Jun 22, 2023 · US
System for impressed current cathodic protection
US-11591764-B2 · Feb 28, 2023 · US
Propeller arrangement in a cathodic protection system
US-2022380907-A1 · Dec 1, 2022 · US
Systems and methods for monitoring integrated passive anodes
US-2021340679-A1 · Nov 4, 2021 · US
Method and system for monitoring powered anode drive level
US-11047595-B2 · Jun 29, 2021 · US
Load arrangement for powering a load
US-10822759-B2 · Nov 3, 2020 · US
Integrated Impressed Current Cathodic Protection for Wet Crude Handling Vessels
US-2020248319-A1 · Aug 6, 2020 · US
System for impressed current cathodic protection
US-2020109478-A1 · Apr 9, 2020 · US
Arrangement for anti-fouling of a protected surface
US-2020087799-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F13/20?
- CPC C23F13/20 is the Cooperative Patent Classification code for “Conducting electric current to electrodes.”
- How many patents are filed under CPC C23F13/20 (Conducting electric current to electrodes)?
- Our database includes 42 publications tagged with this CPC code.
- Is patent activity under CPC C23F13/20 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).