H01M 8/045
Of anode reactants at the inlet or inside the fuel cell
Official title: {of anode reactants at the inlet or inside the fuel cell}
H01M8/045 (Of anode reactants at the inlet or inside the fuel cell) appears on 94 US grants and 129 published applications in this corpus.
Search patents in H01M- Granted patents
- 94
- Published applications
- 129
- Assignees
- 65
- Inventors
- 297
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 4 |
| 2003 | 0 | 3 |
| 2004 | 3 | 3 |
| 2005 | 5 | 2 |
| 2006 | 3 | 5 |
| 2007 | 1 | 5 |
| 2008 | 2 | 6 |
| 2009 | 0 | 8 |
| 2010 | 2 | 9 |
| 2011 | 3 | 7 |
| 2012 | 7 | 6 |
| 2013 | 5 | 3 |
| 2014 | 5 | 6 |
| 2015 | 3 | 6 |
| 2016 | 5 | 3 |
| 2017 | 5 | 6 |
| 2018 | 7 | 8 |
| 2019 | 8 | 9 |
| 2020 | 11 | 2 |
| 2021 | 4 | 4 |
| 2022 | 3 | 3 |
| 2023 | 4 | 7 |
| 2024 | 2 | 3 |
| 2025 | 4 | 7 |
| 2026 | 1 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydrogen generation electricity system for producing electricity from hydrogen using a hydrogen carrier substance and a method for operating the hydrogen generation electricity system24 Mar 2026US 12,586,800 B2Dens B.V.
- Method for operating a fuel cell device, the fuel cell device, and a motor vehicle outfitted with a fuel cell device16 Dec 2025US 12,500,250 B2Audi AG
- Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state16 Dec 2025US 12,500,253 B2Cummins Inc.
- Systems and methods to measure or control fuel cell stack excess hydrogen flow using humidity5 Aug 2025US 12,381,238 B2Cummins Inc.
- Method for controlling humidity in a fuel cell11 Mar 2025US 12,249,743 B2Symbio
- Fuel cell system27 Aug 2026US 2026/0253926 A1Toyota Jidosha Kabushiki Kaisha
- Method for controlling a fuel cell system6 Aug 2026US 2026/0229566 A1Robert Bosch GmbH
- Ascertaining The Moisture Of A Gas Flow At A Measuring Point Of A Fuel Cell System9 Jul 2026US 2026/0196538 A1Schaeffler Technologies AG & Co. KG
- Method for estimating partial pressures and relative humidity of gases in fuel cell5 Mar 2026US 2026/0066317 A1Hyundai Motor Company
- Fuel cell system and method for controlling the same9 Oct 2025US 2025/0316734 A1Hyundai Motor Company
Most cited
By later US patents
- System and method for controlling the humidity level of a fuel cell92US 6,376,111 B1General Motors Corporation · 2002
- Fuel cell system and control method for fuel cell system19US 9,105,891 B2Toyota Jidosha Kabushiki Kaisha · 2015
- Relative humidity sensor with compensation for changes in pressure and gas composition16US 6,777,120 B2General Motors Corporation · 2004
- Derivation of control parameters of fuel cell systems for flexible fuel operation13US 8,211,583 B2Bloom Energy Corporation · 2012
- Electronic by-pass control of gas around the humidifier to the fuel cell stack8US 6,884,534 B2General Motors Corporation · 2005