Method of diagnosing level sensor failure in fuel cell water trap and control unit using the same
US-2019245227-A1 · Aug 8, 2019 · US
of fuel cell exhausts
of fuel cell exhausts · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M8/04843 |
| Official title | {of fuel cell exhausts} |
| Display label | of fuel cell exhausts |
| Total patents | 209 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 26 |
| 2017 | 13 |
| 2018 | 11 |
| 2019 | 19 |
| 2020 | 32 |
| 2021 | 25 |
| 2022 | 26 |
| 2023 | 23 |
| 2024 | 8 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for controlling fuel cell vehicle
US-2019016233-A1 · Jan 17, 2019 · US
Fuel cell, control method for fuel cell, and computer readable recording medium
US-2018351184-A1 · Dec 6, 2018 · US
Method of controlling fuel cell system
US-2018342749-A1 · Nov 29, 2018 · US
Turbine for decompression of exhaust gas and a fuel cell system including same
US-10135080-B2 · Nov 20, 2018 · US
Fuel cell, control method for fuel cell, and computer readable recording medium
US-2018331379-A1 · Nov 15, 2018 · US
Fuel cell system programmed for improved air compressor control
US-10103394-B2 · Oct 16, 2018 · US
Integration of molten carbonate fuel cells in iron and steel processing
US-10093997-B2 · Oct 9, 2018 · US
Fuel cell system and mobile article
US-10008728-B2 · Jun 26, 2018 · US
Fuel cell system and shutdown method thereof
US-2018145351-A1 · May 24, 2018 · US
Integrated power generation and carbon capture using fuel cells
US-9941534-B2 · Apr 10, 2018 · US
Fuel cell having oxygen selective membrane
US-2018034071-A1 · Feb 1, 2018 · US
Fuel cell system
US-2018006318-A1 · Jan 4, 2018 · US
Cooling system and method for use with a fuel cell
US-2017365865-A1 · Dec 21, 2017 · US
Control valve, fuel cell exhaust assembly and fuel cell
US-2017346113-A1 · Nov 30, 2017 · US
Proactive anode flooding remediation
US-2017324101-A1 · Nov 9, 2017 · US
Fuel cell system
US-9812718-B2 · Nov 7, 2017 · US
Fuel cell system, fuel cell-mounted vehicle and method of controlling fuel system
US-9793562-B2 · Oct 17, 2017 · US
Integrated power generation and chemical production using fuel cells
US-9786939-B2 · Oct 10, 2017 · US
Cooling system and method for use with a fuel cell
US-9780393-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M8/04843?
- CPC H01M8/04843 is the Cooperative Patent Classification code for “of fuel cell exhausts.”
- How many patents are filed under CPC H01M8/04843 (of fuel cell exhausts)?
- Our database includes 209 publications tagged with this CPC code.
- Is patent activity under CPC H01M8/04843 growing?
- Publication counts under this code: 8 in 2024 vs 13 in 2025 (latest complete years).