H01M 8/04388
Of anode reactants at the inlet or inside the fuel cell
Official title: {of anode reactants at the inlet or inside the fuel cell}
H01M8/04388 (Of anode reactants at the inlet or inside the fuel cell) appears on 655 US grants and 978 published applications in this corpus.
Search patents in H01M- Granted patents
- 655
- Published applications
- 978
- Assignees
- 244
- Inventors
- 1,608
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 2 | 18 |
| 2003 | 6 | 14 |
| 2004 | 6 | 36 |
| 2005 | 14 | 38 |
| 2006 | 8 | 38 |
| 2007 | 17 | 40 |
| 2008 | 13 | 46 |
| 2009 | 12 | 49 |
| 2010 | 26 | 61 |
| 2011 | 33 | 47 |
| 2012 | 45 | 37 |
| 2013 | 42 | 31 |
| 2014 | 36 | 33 |
| 2015 | 37 | 22 |
| 2016 | 24 | 41 |
| 2017 | 31 | 27 |
| 2018 | 24 | 39 |
| 2019 | 28 | 46 |
| 2020 | 35 | 40 |
| 2021 | 47 | 41 |
| 2022 | 37 | 32 |
| 2023 | 49 | 61 |
| 2024 | 18 | 47 |
| 2025 | 28 | 42 |
| 2026 | 23 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for estimating flight time of a hydrogen fuel cell UAV29 Sep 2026US 12,746,825 B2Industrial Technology Research Institute
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- Fuel cell system29 Sep 2026US 12,749,693 B2Toyota Jidosha Kabushiki Kaisha
- Hydrogen supply system for fuel cell and control method thereof1 Sep 2026US 12,725,817 B2Hyundai Motor Company
- Systems and methods for monitoring a fuel cell4 Aug 2026US 12,700,602 B2Hyster-Yale Materials Handling, Inc.
- Fuel cell system and purging method for inerting a fuel cell system8 Oct 2026US 2026/0312091 A1
- Detection method for detecting a state of a fuel cell system8 Oct 2026US 2026/0312095 A1
- Ai driven vfd control for securing membrane in flow batteries8 Oct 2026US 2026/0312097 A1ViZn Energy Systems, Inc.
- Fuel cell activation device1 Oct 2026US 2026/0302287 A1Honda Motor Co., Ltd.
- Fuel cell system and control method thereof1 Oct 2026US 2026/0302294 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
- Method and system for controlling output of fuel cell power generator135US 5,637,414 AFuji Electric Co., Ltd. · 1997
- Fuel cell generator and method of the same123US 5,677,073 AToyota Jidosha Kabushiki Kaisha · 1997
- Fuel cell system controller115US 6,495,277 B1IdaTech, LLC · 2002
- Arrangement for ensuring uninterrupted current supply to an electrical consumer104US 6,011,324 AAEG Energietechnik GmbH · 2000