H01M 8/0286
Processes for forming seals
H01M8/0286 (Processes for forming seals) appears on 499 US grants and 782 published applications in this corpus.
Search patents in H01M- Granted patents
- 499
- Published applications
- 782
- Assignees
- 265
- Inventors
- 1,552
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 5 | 5 |
| 2003 | 5 | 13 |
| 2004 | 4 | 22 |
| 2005 | 4 | 18 |
| 2006 | 9 | 27 |
| 2007 | 6 | 34 |
| 2008 | 8 | 19 |
| 2009 | 13 | 52 |
| 2010 | 19 | 38 |
| 2011 | 21 | 49 |
| 2012 | 29 | 26 |
| 2013 | 30 | 28 |
| 2014 | 38 | 34 |
| 2015 | 24 | 30 |
| 2016 | 22 | 36 |
| 2017 | 27 | 30 |
| 2018 | 28 | 43 |
| 2019 | 37 | 37 |
| 2020 | 34 | 32 |
| 2021 | 28 | 37 |
| 2022 | 30 | 37 |
| 2023 | 17 | 45 |
| 2024 | 17 | 32 |
| 2025 | 19 | 32 |
| 2026 | 16 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- SOC stack comprising integrated interconnect and spacer6 Oct 2026US 12,755,998 B2Topsoe A/S
- Fuel cell assembly and method for manufacturing the same8 Sep 2026US 12,731,798 B2Sumitomo Riko Company Limited
- Method and apparatus for fabricating a membrane electrode assembly8 Sep 2026US 12,731,804 B2MB AUTOMATION GmbH & Co. KG
- Ink composition for screen printing and method for producing printed matter25 Aug 2026US 12,716,006 B2Nichias Corporation
- Separator integrated with gasket for fuel cell and method for manufacturing the same25 Aug 2026US 12,719,065 B2Hyundai Motor Company
- Fuel cell sealing structure24 Sep 2026US 2026/0290856 A1Toyota Jidosha Kabushiki Kaisha
- Fuel cell and method of manufacturing fuel cell27 Aug 2026US 2026/0253919 A1Honda Motor Co., Ltd.
- Gasket infused elecrode substrate and methods for forming the same20 Aug 2026US 2026/0245921 A1King Abdullah University of Science and Technology
- Gasket molding method, sealing method, gasket, composite body, and fuel cell9 Jul 2026US 2026/0196532 A1Threebond Co., Ltd.
- Bifacial sealed gas diffusion electrode2 Jul 2026US 2026/0188791 A1Form Energy, Inc.
Most cited
By later US patents
- Microcell electrochemical device assemblies with thermal management subsystem, and method of making and using the same75US 6,444,339 B1Microcell Corporation · 2002
- Glass-ceramic coatings and sealing arrangements and their use in fuel cells73US 6,656,625 B1Alstom UK Limited · 2003
- Seal for fuel cell and forming method therefor62US 6,667,124 B2Honda Giken Kogyo Kabushiki Kaisha · 2003
- Oxidation ceramic to metal braze seals for applications in high temperature electrochemical devices and method of making38US 7,055,733 B2Battelle Memorial Institute · 2006
- Non-bipolar fuel cell stack configuration37US 6,194,095 B12001