Flow batteries having adjustable circulation rate capabilities and methods associated therewith
US-2018151899-A1 · May 31, 2018 · US
Current
Current · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04574 |
| Official title | {Current} |
| Display label | Current |
| Total patents | 200 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 14 |
| 2017 | 25 |
| 2018 | 17 |
| 2019 | 16 |
| 2020 | 14 |
| 2021 | 21 |
| 2022 | 16 |
| 2023 | 23 |
| 2024 | 15 |
| 2025 | 15 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Voltage control system, fuel cell system, and control method for voltage control system
US-2017365867-A1 · Dec 21, 2017 · US
Fuel cell system and method for controlling fuel cell system
US-9843056-B2 · Dec 12, 2017 · US
Apparatus for assessing the quality of membrane electrode assemblies
US-9829453-B2 · Nov 28, 2017 · US
System and method for condition monitoring of redox flow batteries using data analytics
US-2017279140-A1 · Sep 28, 2017 · US
Control device of fuel cell, fuel cell system and control method of fuel cell
US-9768458-B2 · Sep 19, 2017 · US
Method for stopping fuel cell system and fuel cell system
US-9761896-B2 · Sep 12, 2017 · US
Hydrogen quality monitor
US-9726635-B2 · Aug 8, 2017 · US
Apparatus for assessing the quality of membrane electrode assemblies
US-2017212067-A1 · Jul 27, 2017 · US
Power Modulation for Fuel Cell Powered Datacenters
US-2017214070-A1 · Jul 27, 2017 · US
Apparatus for measuring an impedance of fuel cell and method of measuring impedance of fuel cell
US-2017214068-A1 · Jul 27, 2017 · US
Fuel cell system and control method therefor
US-9711814-B2 · Jul 18, 2017 · US
Fuel cell system, operating method thereof and fuel cell power plant
US-2017179503-A1 · Jun 22, 2017 · US
Terminal table and terminal table unit
US-9685715-B2 · Jun 20, 2017 · US
Method for accessing the quality of membrane electrodes assemblies
US-9666883-B2 · May 30, 2017 · US
System and method of controlling fuel cell system using a drain-purge valve
US-9660280-B2 · May 23, 2017 · US
Fuel cell system and performance improvement method of fuel cell system
US-2017104231-A1 · Apr 13, 2017 · US
Determining a spatial distribution of a thermal conductivity of an electrochemical cell
US-2017098835-A1 · Apr 6, 2017 · US
Determination of a spatial distribution of an electrical production parameter of an electrochemical cell
US-2017098837-A1 · Apr 6, 2017 · US
Systems and methods for initiating voltage recovery in a fuel cell system
US-2017092971-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04574?
- CPC H01M8/04574 is the Cooperative Patent Classification code for “Current.”
- How many patents are filed under CPC H01M8/04574 (Current)?
- Our database includes 200 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04574 growing?
- Publication counts under this code: 15 in 2024 vs 15 in 2025 (latest complete years).