H01M 8/04395
Of cathode reactants at the inlet or inside the fuel cell
Official title: {of cathode reactants at the inlet or inside the fuel cell}
H01M8/04395 (Of cathode reactants at the inlet or inside the fuel cell) appears on 474 US grants and 667 published applications in this corpus.
Search patents in H01M- Granted patents
- 474
- Published applications
- 667
- Assignees
- 178
- Inventors
- 1,116
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 3 |
| 2002 | 0 | 14 |
| 2003 | 5 | 10 |
| 2004 | 3 | 26 |
| 2005 | 15 | 27 |
| 2006 | 8 | 23 |
| 2007 | 9 | 26 |
| 2008 | 9 | 30 |
| 2009 | 10 | 37 |
| 2010 | 15 | 40 |
| 2011 | 24 | 25 |
| 2012 | 35 | 23 |
| 2013 | 18 | 14 |
| 2014 | 27 | 24 |
| 2015 | 19 | 31 |
| 2016 | 24 | 38 |
| 2017 | 33 | 24 |
| 2018 | 31 | 20 |
| 2019 | 26 | 36 |
| 2020 | 26 | 30 |
| 2021 | 25 | 25 |
| 2022 | 27 | 26 |
| 2023 | 36 | 30 |
| 2024 | 19 | 29 |
| 2025 | 8 | 31 |
| 2026 | 10 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell vehicle with differential pressure flow meter for humidity measurement6 Oct 2026US 12,752,667 B2Ford Global Technologies, LLC
- Humidifier leak diagnosis system and method for a fuel cell system6 Oct 2026US 12,755,993 B2Hyundai Motor Company
- Fuel cell system26 May 2026US 12,640,379 B2Honda Motor Co., Ltd.
- Fuel cell system26 May 2026US 12,640,383 B2Honda Motor Co., Ltd.
- Air supply system for fuel cells and method for controlling the same14 Apr 2026US 12,603,309 B2Hyundai Motor Company
- Conditioning method and conditioning device8 Oct 2026US 2026/0312092 A1Robert Bosch GmbH
- Ai driven vfd control for securing membrane in flow batteries8 Oct 2026US 2026/0312097 A1ViZn Energy Systems, Inc.
- High-temperature fuel cell system and method of operating it1 Oct 2026US 2026/0302279 A1Cellcentric GmbH & Co. KG
- Fuel cell system1 Oct 2026US 2026/0302283 A1Toyota Jidosha Kabushiki Kaisha
- Fuel cell activation device1 Oct 2026US 2026/0302287 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Hydrocarbon fueled solid polymer fuel cell electric power generation system168US 5,360,679 ABallard Power Systems Inc. · 1994
- Arrangement for ensuring uninterrupted current supply to an electrical consumer104US 6,011,324 AAEG Energietechnik GmbH · 2000
- Power control system for a fuel cell powered vehicle94US 5,991,670 ADBB Fuel Cell Engines GmbH · 1999
- Electrochemical load management system for transportation applications86US 5,346,778 AEnergy Partners, Inc. · 1994
- Power control system for a fuel cell powered vehicle86US 5,771,476 ADBB Fuel Cell Engines GmbH · 1998