H01M 8/04455
Of cathode reactants at the inlet or inside the fuel cell
Official title: {of cathode reactants at the inlet or inside the fuel cell}
H01M8/04455 (Of cathode reactants at the inlet or inside the fuel cell) appears on 111 US grants and 163 published applications in this corpus.
Search patents in H01M- Granted patents
- 111
- Published applications
- 163
- Assignees
- 84
- Inventors
- 397
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 5 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 5 |
| 2008 | 1 | 4 |
| 2009 | 0 | 11 |
| 2010 | 2 | 4 |
| 2011 | 4 | 5 |
| 2012 | 4 | 9 |
| 2013 | 6 | 5 |
| 2014 | 4 | 7 |
| 2015 | 10 | 4 |
| 2016 | 2 | 10 |
| 2017 | 3 | 13 |
| 2018 | 5 | 6 |
| 2019 | 11 | 5 |
| 2020 | 10 | 16 |
| 2021 | 8 | 8 |
| 2022 | 9 | 6 |
| 2023 | 8 | 13 |
| 2024 | 2 | 5 |
| 2025 | 12 | 10 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems for converting and storing energy4 Aug 2026US 12,700,603 B2Standard Hydrogen Company, Inc.
- Fuel cell system and method for generating inert gas for a fuel cell system28 Jul 2026US 12,695,106 B2Airbus Operations GmbH
- Air management system and a method for controlling intake air pressure and exhaust back pressure of a fuel cell system3 Feb 2026US 12,542,291 B2Volvo Truck Corporation
- Anode recovery system of fuel cell27 Jan 2026US 12,537,208 B2Asia Hydrogen Energy
- Methods and systems for determining average oxidation state of redox flow battery systems30 Dec 2025US 12,512,499 B2Cougar Creek Technologies, LLC
- Fuel cell control system24 Sep 2026US 2026/0290862 A1Honda Motor Co., Ltd.
- Device and method for controlling a hydrogen electric vehicle18 Jun 2026US 2026/0171451 A1Hyundai Motor Company
- Method, control program, computer-readable data carrier and control device for controlling a fuel cell arrangement, as well as fuel cell arrangement and vehicle comprising same11 Jun 2026US 2026/0163032 A1Airbus Operations GmbH
- System and method for controlling voltage of fuel cell4 Jun 2026US 2026/0155412 A1Hyundai Motor Company
- Safety Systems and Methods for Flow Batteries28 May 2026US 2026/0149014 A1
Most cited
By later US patents
- Hybrid drive system47US 6,793,027 B1Yamaha Hatsudoki Kabushiki Kaisha · 2004
- Procedure for shutting down a fuel cell system having an anode exhaust recycle loop29US 6,514,635 B2UTC Fuel Cells, LLC · 2003
- Relative humidity sensor with compensation for changes in pressure and gas composition16US 6,777,120 B2General Motors Corporation · 2004
- Operating a redox flow battery with a negative electrolyte imbalance15US 8,993,183 B2EnerVault Corporation · 2015
- Matching state of charge in a string13US 10,135,087 B2UniEnergy Technologies, LLC · 2018