Cross-flow three-way ammonia-to-air heat exchanger for air conditioning applications on an aircraft
US-2025385282-A1 · Dec 18, 2025 · US
of the coolant
of the coolant · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04485 |
| Official title | {of the coolant} |
| Display label | of the coolant |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 5 |
| 2022 | 7 |
| 2023 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel cell cooling
US-12327892-B2 · Jun 10, 2025 · US
Fuel Cell Cooling
US-2023317981-A1 · Oct 5, 2023 · US
Fuel cell system
US-2023282850-A1 · Sep 7, 2023 · US
Fuel cell system
US-11637303-B2 · Apr 25, 2023 · US
Fuel cell hydrogen detection
US-2023010497-A1 · Jan 12, 2023 · US
Fuel cell hydrogen detection
US-11539058-B1 · Dec 27, 2022 · US
Fuel cell system
US-2022320547-A1 · Oct 6, 2022 · US
Cooling control system and control method of fuel cell
US-11387474-B2 · Jul 12, 2022 · US
Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle
US-11380913-B2 · Jul 5, 2022 · US
Coolant control system and control method of fuel cell
US-11342571-B2 · May 24, 2022 · US
Fuel cell system
US-11302938-B2 · Apr 12, 2022 · US
Fuel cell system
US-11296334-B2 · Apr 5, 2022 · US
Cooling control system and control method of fuel cell
US-2021111423-A1 · Apr 15, 2021 · US
Coolant control system and control method of fuel cell
US-2021104762-A1 · Apr 8, 2021 · US
Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle
US-2021091391-A1 · Mar 25, 2021 · US
Fuel cell system
US-2021020966-A1 · Jan 21, 2021 · US
Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle
US-10886544-B2 · Jan 5, 2021 · US
Coolant purification
US-2020321636-A1 · Oct 8, 2020 · US
Coolant purification
US-10693155-B2 · Jun 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04485?
- CPC H01M8/04485 is the Cooperative Patent Classification code for “of the coolant.”
- How many patents are filed under CPC H01M8/04485 (of the coolant)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04485 growing?
- Publication counts under this code: 4 in 2023 vs 2 in 2025 (latest complete years).