H01M 8/0488
Of fuel cell stacks
Official title: {of fuel cell stacks}
H01M8/0488 (Of fuel cell stacks) appears on 456 US grants and 612 published applications in this corpus.
Search patents in H01M- Granted patents
- 456
- Published applications
- 612
- Assignees
- 150
- Inventors
- 1,063
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 12 |
| 2003 | 5 | 13 |
| 2004 | 8 | 20 |
| 2005 | 5 | 23 |
| 2006 | 19 | 32 |
| 2007 | 4 | 29 |
| 2008 | 9 | 23 |
| 2009 | 13 | 27 |
| 2010 | 14 | 55 |
| 2011 | 22 | 21 |
| 2012 | 29 | 27 |
| 2013 | 21 | 19 |
| 2014 | 24 | 23 |
| 2015 | 24 | 20 |
| 2016 | 22 | 25 |
| 2017 | 18 | 18 |
| 2018 | 19 | 25 |
| 2019 | 24 | 27 |
| 2020 | 28 | 31 |
| 2021 | 27 | 28 |
| 2022 | 24 | 22 |
| 2023 | 25 | 42 |
| 2024 | 21 | 14 |
| 2025 | 16 | 14 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical energy supply system for mobile platforms and vehicle having an electrical energy supply system1 Sep 2026US 12,725,815 B2Airbus SAS
- Fuel cell power plant heat exchanger19 May 2026US 12,633,550 B2Honda Motor Co., Ltd.
- Power supply system19 May 2026US 12,633,556 B2Arco Technologies S.R.L.
- Method and fuel cell power system to identify and compensate for fuel composition variations in a fuel cell stack or system19 May 2026US 12,633,558 B2GE Vernova Infrastructure Technology LLC
- Apparatus for controlling operation of fuel cell system and method therefor21 Apr 2026US 12,609,338 B2Hyundai Motor Company
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279862 A1Honda Motor Co., Ltd.
- Vehicle power supply system3 Sep 2026US 2026/0257569 A1Obshchestvo S Ogranichennoi Otvetstvennostiu "Evokargo"
- Method for Controlling Stack and Battery Output and Apparatus Therefor27 Aug 2026US 2026/0249745 A1Hyundai Motor Company
- Fuel cell system23 Jul 2026US 2026/0213236 A1Toyota Jidosha Kabushiki Kaisha
- Method for determining a regeneration measure in a fuel cell stack16 Jul 2026US 2026/0204604 A1Robert Bosch GmbH
Most cited
By later US patents
- Power supply apparatus220US 6,882,131 B1Matsushita Electric Industrial Co., Ltd. · 2005
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Power supply apparatus with fuel cell and method of controlling the same162US 7,883,808 B2Hitachi, Ltd. · 2011
- Method and system for controlling output of fuel cell power generator135US 5,637,414 AFuji Electric Co., Ltd. · 1997
- Off-board station and an electricity exchanging system suitable for use with a mobile vehicle power system114US 6,380,637 B1Ztek Corporation · 2002