Fuel cell architectures, thermal systems, and control logic for efficient heating of fuel cell stacks
US-2018323453-A1 · Nov 8, 2018 · US
by heating
by heating · 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 | B60L58/34 |
| Official title | by heating |
| Display label | by heating |
| Total patents | 246 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 16 |
| 2017 | 17 |
| 2018 | 14 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 25 |
| 2022 | 40 |
| 2023 | 29 |
| 2024 | 24 |
| 2025 | 20 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus and method for heating a fuel cell stack
US-10115979-B2 · Oct 30, 2018 · US
Cooling system for a fuel cell, and a fuel cell system
US-2018248206-A1 · Aug 30, 2018 · US
Vehicle
US-10014535-B2 · Jul 3, 2018 · US
Apparatus and method for remotely controlling fuel cell electric vehicle
US-2018118050-A1 · May 3, 2018 · US
System and method for temperature control of multi-battery systems
US-9960461-B2 · May 1, 2018 · US
Thermal management system for fuel cell vehicle and control method thereof
US-2018114998-A1 · Apr 26, 2018 · US
System and device for water evaporation of fuel cell and control method thereof
US-2018102558-A1 · Apr 12, 2018 · US
Vehicle comprising an electricity supply system
US-2018093586-A1 · Apr 5, 2018 · US
Cooling Arrangement for Cooling a Fuel Cell
US-2018053950-A1 · Feb 22, 2018 · US
Electric vehicle, server apparatus, and communication information terminal
US-2018027364-A1 · Jan 25, 2018 · US
Warm-up apparatus for fuel cell for vehicle
US-2017365901-A1 · Dec 21, 2017 · US
Fuel cell vehicle and method of operating the same
US-2017355279-A1 · Dec 14, 2017 · US
System and method for recovering output of fuel cell
US-9831515-B2 · Nov 28, 2017 · US
Fuel cell system and method for controlling the same
US-9786930-B2 · Oct 10, 2017 · US
An energy carrier system for a vehicle
US-2017229727-A1 · Aug 10, 2017 · US
Fuel cell startup method for fast freeze startup
US-9728799-B2 · Aug 8, 2017 · US
Solid state hydrogen storage device and solid state hydrogen storage system
US-2017214067-A1 · Jul 27, 2017 · US
Output controller for fuel cell
US-9713964-B2 · Jul 25, 2017 · US
Method of controlling battery cooling system for vehicle
US-9701215-B1 · Jul 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B60L58/34?
- CPC B60L58/34 is the Cooperative Patent Classification code for “by heating.”
- How many patents are filed under CPC B60L58/34 (by heating)?
- Our database includes 246 publications tagged with this CPC code.
- Is patent activity under CPC B60L58/34 growing?
- Publication counts under this code: 24 in 2024 vs 20 in 2025 (latest complete years).