H01M 8/2404
Processes or apparatus for grouping fuel cells
H01M8/2404 (Processes or apparatus for grouping fuel cells) appears on 469 US grants and 620 published applications in this corpus.
Search patents in H01M- Granted patents
- 469
- Published applications
- 620
- Assignees
- 281
- Inventors
- 1,468
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 16 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 11 | 10 |
| 2003 | 9 | 21 |
| 2004 | 11 | 33 |
| 2005 | 7 | 19 |
| 2006 | 9 | 22 |
| 2007 | 11 | 20 |
| 2008 | 10 | 16 |
| 2009 | 10 | 34 |
| 2010 | 21 | 31 |
| 2011 | 11 | 22 |
| 2012 | 23 | 22 |
| 2013 | 14 | 25 |
| 2014 | 26 | 17 |
| 2015 | 13 | 33 |
| 2016 | 23 | 24 |
| 2017 | 23 | 33 |
| 2018 | 26 | 23 |
| 2019 | 21 | 26 |
| 2020 | 23 | 24 |
| 2021 | 18 | 20 |
| 2022 | 20 | 36 |
| 2023 | 19 | 27 |
| 2024 | 11 | 24 |
| 2025 | 21 | 30 |
| 2026 | 6 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell stack, fuel cell device and fuel cell vehicle8 Sep 2026US 12,731,799 B2kraftwerk ASSETS Inc.
- System for supporting a fuel cell stack4 Aug 2026US 12,700,599 B2Plug Power Inc.
- Fuel cell system and control method thereof28 Jul 2026US 12,695,107 B2Hyundai Motor Company
- Apparatus and method for installing an electrochemical cell stack30 Jun 2026US 12,671,103 B2Powercell Sweden AB
- Method and device for producing a fuel cell stack by conveying fuel cell layers along belts via overhangs20 Jan 2026US 12,531,259 B2Audi AG
- Manifold insert for an electrochemical system1 Oct 2026US 2026/0302304 A1New Hydrogen IP, LLC
- Stacked electrochemical cell systems1 Oct 2026US 2026/0302306 A1Bloom Energy Corporation
- Fuel cell vehicle24 Sep 2026US 2026/0285171 A1Honda Motor Co., Ltd.
- Positioning device, stacking device, and stacking method for repeating components of a cell stack for battery cells or fuel cells24 Sep 2026US 2026/0285635 A1GROB-WERKE GmbH & Co. KG
- Electrochemical cell24 Sep 2026US 2026/0290861 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Thermally enhanced compact reformer179US 5,858,314 AZtek Corporation · 1999
- Fabrication of a monolithic solid oxide fuel cell129US 4,913,982 AAllied-Signal Inc. · 1990
- Apparatus and method of fabricating a monolithic solid oxide fuel cell109US 5,162,167 AAllied-Signal Inc. · 1992
- Polymer electrolyte membrane fuel cells and stacks with adhesively bonded layers96US 6,080,503 ABallard Power Systems Inc. · 2000
- Plastic platelet fuel cells employing integrated fluid management91US 5,863,671 AH Power Corporation · 1999