Method for recharging a vehicle battery
US-12015299-B1 · Jun 18, 2024 · US
Fuel cells
Fuel cells · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B60L53/54 |
| Official title | Fuel cells |
| Display label | Fuel cells |
| Total patents | 271 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 17 |
| 2017 | 27 |
| 2018 | 34 |
| 2019 | 21 |
| 2020 | 31 |
| 2021 | 20 |
| 2022 | 21 |
| 2023 | 26 |
| 2024 | 30 |
| 2025 | 24 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Constant voltage control method and system of fuel cell vehicle
US-2017331125-A1 · Nov 16, 2017 · US
Hydrogen filling method for fuel cell vehicle
US-2017314734-A1 · Nov 2, 2017 · US
Fuel cell system
US-9802506-B2 · Oct 31, 2017 · US
Power management device
US-9802503-B2 · Oct 31, 2017 · US
System and method for starting up fuel cell system
US-2017309933-A1 · Oct 26, 2017 · US
System and method for controlling start of fuel cell vehicle
US-2017305286-A1 · Oct 26, 2017 · US
System and method for controlling start of fuel cell vehicle
US-2017305297-A1 · Oct 26, 2017 · US
Fuel cell system and control method thereof
US-2017305295-A1 · Oct 26, 2017 · US
Smart dc microgrid parking structures using power line communications
US-2017302107-A1 · Oct 19, 2017 · US
Starting control method of fuel cell vehicle
US-2017297449-A1 · Oct 19, 2017 · US
Fuel cell system, vehicle having the same, and control method of the fuel cell system
US-2017301933-A1 · Oct 19, 2017 · US
Systems and methods for charging an electric vehicle at a charging station
US-9764653-B2 · Sep 19, 2017 · US
Battery control system, battery controller, battery control method and program
US-9696695-B2 · Jul 4, 2017 · US
Electrical vehicle charging using fuel cell system
US-9698598-B2 · Jul 4, 2017 · US
Bi-directional battery voltage converter
US-9694697-B2 · Jul 4, 2017 · US
Authentication and pairing of a mobile device to an external power source
US-9688155-B2 · Jun 27, 2017 · US
Method and system for controlling voltage of fuel cell in stop-mode of fuel cell vehicle
US-2017166081-A1 · Jun 15, 2017 · US
Systems and methods for powering an airborne vehicle from a ground power supply
US-2017144754-A1 · May 25, 2017 · US
Vehicle having an energy storage means
US-2017120738-A1 · May 4, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L53/54?
- CPC B60L53/54 is the Cooperative Patent Classification code for “Fuel cells.”
- How many patents are filed under CPC B60L53/54 (Fuel cells)?
- Our database includes 271 publications tagged with this CPC code.
- Is patent activity under CPC B60L53/54 growing?
- Publication counts under this code: 30 in 2024 vs 24 in 2025 (latest complete years).