H01M 8/04179
By purging or increasing flow or pressure of reactants
Official title: {by purging or increasing flow or pressure of reactants}
H01M8/04179 (By purging or increasing flow or pressure of reactants) appears on 289 US grants and 424 published applications in this corpus.
Search patents in H01M- Granted patents
- 289
- Published applications
- 424
- Assignees
- 120
- Inventors
- 755
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 1 |
| 2002 | 1 | 8 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 5 | 13 |
| 2006 | 1 | 16 |
| 2007 | 5 | 15 |
| 2008 | 5 | 21 |
| 2009 | 3 | 18 |
| 2010 | 14 | 20 |
| 2011 | 12 | 19 |
| 2012 | 13 | 8 |
| 2013 | 11 | 10 |
| 2014 | 19 | 7 |
| 2015 | 11 | 18 |
| 2016 | 10 | 29 |
| 2017 | 17 | 13 |
| 2018 | 12 | 22 |
| 2019 | 22 | 14 |
| 2020 | 20 | 27 |
| 2021 | 20 | 31 |
| 2022 | 27 | 20 |
| 2023 | 25 | 19 |
| 2024 | 14 | 24 |
| 2025 | 7 | 25 |
| 2026 | 11 | 19 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas management apparatus, and method for conditioning anode gas of a fuel cell11 Aug 2026US 12,704,222 B2Hengst GmbH & Co. KG
- Predictive freeze preparation scheduling for fuel cell propulsion system7 Jul 2026US 12,676,326 B2Ford Global Technologies, LLC
- Method for operating a fuel cell system, and control device7 Jul 2026US 12,676,327 B2Robert Bosch GmbH
- Fluid control device2 Jun 2026US 12,644,532 B2Hyundai Motor Company
- Fuel cell vehicle2 Jun 2026US 12,646,731 B2Hyundai Motor Company
- Fluid control device17 Sep 2026US 2026/0276100 A1Hyundai Motor Company
- Drying method for drying a fuel cell stack13 Aug 2026US 2026/0237698 A1Robert Bosch GmbH
- Method for controlling a fuel cell system6 Aug 2026US 2026/0229566 A1Robert Bosch GmbH
- Valvular conduit for fuel cell ejectors16 Jul 2026US 2026/0204600 A1GM Global Technology Operations LLC
- 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
Most cited
By later US patents
- System and method for optimizing fuel cell purge cycles110US 6,242,120 B1IdaTech, LLC · 2001
- Regenerative electrochemical cell system and method for use thereof51US 6,887,601 B2Proton Energy Systems, Inc. · 2005
- Fuel cell system with hydrogen gas separation24US 6,475,655 B1Daihatsu Motor Co., Ltd. · 2002
- Water recovery in the anode side of a proton exchange membrane fuel cell19US 6,541,141 B1Hydrogenics Corporation · 2003
- Control device for fuel cell vehicle14US 6,684,135 B2Honda Giken Kogyo Kabushiki Kaisha · 2004