H01M 8/0297
Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators
Official title: Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other (H01M8/0271 takes precedence)
H01M8/0297 (Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators) appears on 610 US grants and 904 published applications in this corpus.
Search patents in H01M- Granted patents
- 610
- Published applications
- 904
- Assignees
- 293
- Inventors
- 1,842
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 17 |
| 2003 | 10 | 25 |
| 2004 | 12 | 26 |
| 2005 | 15 | 55 |
| 2006 | 8 | 40 |
| 2007 | 12 | 50 |
| 2008 | 13 | 67 |
| 2009 | 23 | 67 |
| 2010 | 45 | 53 |
| 2011 | 28 | 35 |
| 2012 | 49 | 37 |
| 2013 | 30 | 34 |
| 2014 | 37 | 47 |
| 2015 | 36 | 41 |
| 2016 | 26 | 35 |
| 2017 | 29 | 29 |
| 2018 | 31 | 36 |
| 2019 | 38 | 30 |
| 2020 | 36 | 21 |
| 2021 | 13 | 25 |
| 2022 | 19 | 25 |
| 2023 | 18 | 31 |
| 2024 | 12 | 36 |
| 2025 | 13 | 23 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a bipolar plate strand, method for producing a bipolar plate, and device for implementing the method15 Sep 2026US 12,738,510 B2Audi AG
- Separator integrated with gasket for fuel cell and method for manufacturing the same25 Aug 2026US 12,719,065 B2Hyundai Motor Company
- Apparatus for manufacturing a substrate for fuel cell and apparatus for manufacturing electrode for fuel cell including same7 Jul 2026US 12,676,324 B2Hyundai Motor Company
- Fuel cell9 Jun 2026US 12,651,756 B2Hyundai Motor Company
- Method of manufacturing electricity generating assembly26 May 2026US 12,640,385 B2Hyundai Motor Company
- Method of Producing Membrane Electrode Assembly20 Aug 2026US 2026/0245922 A1Honda Motor Co., Ltd.
- Membrane electrode assembly production6 Aug 2026US 2026/0229557 A1GM Global Technology Operations LLC
- Electric contacting assembly for an electrochemical cell unit23 Jul 2026US 2026/0209963 A1Robert Bosch GmbH
- Fuel cell16 Jul 2026US 2026/0204595 A1Toyota Boshoku Kabushiki Kaisha
- Fuel cell9 Jul 2026US 2026/0196533 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Solid oxide fuel cell stack156US 7,465,512 B2ROLLS-ROYCE plc · 2008
- Brazed bipolar plates for PEM fuel cells144US 5,776,624 AGeneral Motors Corporation · 1998
- Membrane electrode assemblies115US 5,910,378 AMinnesota Mining and Manufacturing Company · 1999
- Battery shaped as a membrane strip containing several cells62US 5,861,221 AFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 1999
- High performance ceramic fuel cell interconnect with integrated flowpaths and method for making same61US 6,949,307 B2SFCo-EFS Holdings, LLC · 2005