H01M 8/04447
Of anode reactants at the inlet or inside the fuel cell
Official title: {of anode reactants at the inlet or inside the fuel cell}
H01M8/04447 (Of anode reactants at the inlet or inside the fuel cell) appears on 271 US grants and 431 published applications in this corpus.
Search patents in H01M- Granted patents
- 271
- Published applications
- 431
- Assignees
- 167
- Inventors
- 926
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 6 |
| 2003 | 5 | 6 |
| 2004 | 2 | 5 |
| 2005 | 2 | 17 |
| 2006 | 2 | 21 |
| 2007 | 7 | 39 |
| 2008 | 4 | 25 |
| 2009 | 8 | 30 |
| 2010 | 13 | 17 |
| 2011 | 14 | 13 |
| 2012 | 27 | 23 |
| 2013 | 14 | 18 |
| 2014 | 13 | 17 |
| 2015 | 15 | 10 |
| 2016 | 12 | 9 |
| 2017 | 5 | 17 |
| 2018 | 11 | 10 |
| 2019 | 15 | 18 |
| 2020 | 14 | 17 |
| 2021 | 15 | 8 |
| 2022 | 12 | 22 |
| 2023 | 15 | 18 |
| 2024 | 5 | 18 |
| 2025 | 13 | 20 |
| 2026 | 7 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- Fuel cell system and method for generating inert gas for a fuel cell system28 Jul 2026US 12,695,106 B2Airbus Operations GmbH
- Arrangement and method for determining hydrogen purity16 Jun 2026US 12,656,297 B2Siemens Energy Global GmbH & Co. KG
- Fuel cell system and valve control method for fuel cell system19 May 2026US 12,633,557 B2Honda Motor Co., Ltd.
- Handling of variable and unpredictable gas composition changes to maximize health and performance of fuel cell systems3 Feb 2026US 12,542,289 B2Bloom Energy Corporation
- Detection method for detecting a state of a fuel cell system8 Oct 2026US 2026/0312095 A1
- Diagnosis method for determining a state of a fuel cell system8 Oct 2026US 2026/0312098 A1Robert Bosch GmbH
- Combination of fuel cell and all solid state battery stack for a vehicle17 Sep 2026US 2026/0274091 A1Schaeffler Technologies AG & Co. KG
- Sulfur detector and fuel processing system including the same10 Sep 2026US 2026/0266786 A1Bloom Energy Corporation
- Method and system for effecting and determining a defect on a pem fuel cell3 Sep 2026US 2026/0259268 A1AVL List GmbH
Most cited
By later US patents
- 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
- Direct methanol feed fuel cell and system113US 5,773,162 ACalifornia Institute of Technology · 1998
- Fuel cell with proton conducting membrane97US 6,492,047 B1Ramot University Authority for Applied Research and Industrial Development Ltd. · 2002
- Fuel-cells generator system and method of generating electricity from fuel cells75US 5,925,476 AToyota Jidosha Kabushiki Kaisha · 1999