F01N 2240/32
A fuel cell
Official title: a fuel cell
F01N2240/32 (A fuel cell) appears on 23 US grants and 31 published applications in this corpus.
Search patents in F01N- Granted patents
- 23
- Published applications
- 31
- Assignees
- 20
- Inventors
- 73
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 7 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year.
Recent patents
- Emissions control watercraft27 Aug 2024US 12,071,205 B2
- Hybrid power system12 Sep 2023US 11,757,109 B2
- Simulation of gas dynamics of different gas channel geometries in fuel cells14 Mar 2023US 11,604,911 B2dSPACE GmbH
- Exhaust gas electrochemical energy recovery system22 Nov 2022US 11,506,102 B2Southwest Research Institute
- Silencer for fuel cell vehicles6 Sep 2022US 11,434,795 B2Hyundai Motor Company
- Sound damper, in particular for a fuel-cell system20 Nov 2025US 2025/0357515 A1Purem GmbH
- Emissions control watercraft7 Nov 2024US 2024/0367762 A1STAX Engineering, Inc.
- Hybrid power system2 Feb 2023US 2023/0030363 A1Ceres Intellectual Property Company Limited
- STAXcraft29 Dec 2022US 2022/0411029 A9STAX Engineering, Inc.
- Simulation of gas dynamics of different gas channel geometries in fuel cells29 Dec 2022US 2022/0414302 A1dSPACE digital signal processing and control engineering GmbH
Most cited
By later US patents
- Power generation system and method with exhaust side solid oxide fuel cell31US 6,655,325 B1Delphi Technologies, Inc. · 2003
- Clean power system17US 7,818,959 B2Eaton Corporation · 2010
- Clean power system14US 7,648,785 B2Eaton Corporation · 2010
- Method of operating a reformer and a vehicle9US 7,131,264 B2Delphi Technologies, Inc. · 2006
- Process for operating a compression ignition internal combustion engine in combination with a catalytic reformer7US 7,823,570 B2Shell Oil Company · 2010