H01M 8/04365
Of other components of a fuel cell or fuel cell stacks
Official title: {of other components of a fuel cell or fuel cell stacks}
H01M8/04365 (Of other components of a fuel cell or fuel cell stacks) appears on 452 US grants and 669 published applications in this corpus.
Search patents in H01M- Granted patents
- 452
- Published applications
- 669
- Assignees
- 209
- Inventors
- 1,279
- Latest grant
- 15 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 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 5 |
| 2002 | 3 | 9 |
| 2003 | 5 | 20 |
| 2004 | 13 | 21 |
| 2005 | 9 | 32 |
| 2006 | 11 | 47 |
| 2007 | 11 | 46 |
| 2008 | 7 | 43 |
| 2009 | 14 | 51 |
| 2010 | 26 | 59 |
| 2011 | 26 | 26 |
| 2012 | 30 | 26 |
| 2013 | 39 | 26 |
| 2014 | 30 | 31 |
| 2015 | 24 | 27 |
| 2016 | 25 | 16 |
| 2017 | 18 | 24 |
| 2018 | 14 | 24 |
| 2019 | 18 | 25 |
| 2020 | 25 | 16 |
| 2021 | 18 | 20 |
| 2022 | 14 | 15 |
| 2023 | 20 | 27 |
| 2024 | 12 | 15 |
| 2025 | 17 | 10 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell system capable of adjusting bypass flow rate15 Sep 2026US 12,738,519 B2Kolon Industries, Inc.
- Hydrogen fuel cell exhaust system1 Sep 2026US 12,725,814 B2HyTech Power, LLC
- Connected fuel cell vehicle predictive freeze wake scheduling18 Aug 2026US 12,712,189 B2Ford Global Technologies, LLC
- Systems and methods for hydrogen leak detection2 Jun 2026US 12,646,729 B2Cummins Inc.
- Fuel cell system14 Apr 2026US 12,603,312 B2LG Electronics Inc.
- Fuel cell arrangement and a corresponding method for operating a fuel cell arrangement of a fuel cell vehicle11 Jun 2026US 2026/0158967 A1Volvo Truck Corporation
- Boil-off fuel usage30 Apr 2026US 2026/0117930 A1Honda Motor Co., Ltd.
- Cooling multiple parallel hydrogen fuel cell modules23 Apr 2026US 2026/0112662 A1Cummins Inc.
- Fuel cell system23 Apr 2026US 2026/0112666 A1Aisan Kogyo Kabushiki Kaisha
- Fuel cell16 Apr 2026US 2026/0106183 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Power supply apparatus with fuel cell and method of controlling the same162US 7,883,808 B2Hitachi, Ltd. · 2011
- Temperature regulating system for a fuel cell powered vehicle97US 6,186,254 B1Xcelliss Fuel Cell Engines Inc. · 2001
- Fuel cell and power chip technology97US 6,312,846 B1Integrated Fuel Cell Technologies, Inc. · 2001
- Fuel-cells generator system and method of generating electricity from fuel cells75US 5,925,476 AToyota Jidosha Kabushiki Kaisha · 1999
- Controller for fuel cell power system66US 4,670,702 ASanyo Electric Co., Ltd. · 1987