H01M 8/2485
Arrangements for sealing external manifolds
Official title: Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
H01M8/2485 (Arrangements for sealing external manifolds) appears on 536 US grants and 624 published applications in this corpus.
Search patents in H01M- Granted patents
- 536
- Published applications
- 624
- Assignees
- 255
- Inventors
- 1,352
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 10 | 10 |
| 2003 | 8 | 27 |
| 2004 | 10 | 20 |
| 2005 | 14 | 26 |
| 2006 | 15 | 31 |
| 2007 | 12 | 24 |
| 2008 | 11 | 32 |
| 2009 | 9 | 29 |
| 2010 | 18 | 42 |
| 2011 | 23 | 48 |
| 2012 | 28 | 13 |
| 2013 | 22 | 34 |
| 2014 | 26 | 32 |
| 2015 | 27 | 30 |
| 2016 | 24 | 33 |
| 2017 | 28 | 19 |
| 2018 | 23 | 33 |
| 2019 | 30 | 16 |
| 2020 | 33 | 25 |
| 2021 | 11 | 12 |
| 2022 | 22 | 24 |
| 2023 | 22 | 23 |
| 2024 | 12 | 14 |
| 2025 | 15 | 10 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Solid oxide cell stack18 Aug 2026US 12,712,191 B2Samsung Electro-Mechanics Co., Ltd.
- Fuel cell module14 Jul 2026US 12,683,181 B2Toyota Jidosha Kabushiki Kaisha
- Fuel cell stack5 May 2026US 12,620,612 B2Hyundai Motor Company
- Fuel cell manifold and fuel cell stack including the same28 Apr 2026US 12,614,747 B2Industry-Academic Cooperation Foundation, Yonsei University
- Cell stack and production thereof21 Apr 2026US 12,609,329 B2Robert Bosch GmbH
- Fuel cell device8 Oct 2026US 2026/0312110 A1Toyota Jidosha Kabushiki Kaisha
- Soc stack comprising connection plate24 Sep 2026US 2026/0286545 A1Topsoe A/S
- Fuel cell sealing structure24 Sep 2026US 2026/0290856 A1Toyota Jidosha Kabushiki Kaisha
- Manifold for a fuel cell10 Sep 2026US 2026/0269298 A1Safran Power Units
- Pressurised electrochemical reactor18 Jun 2026US 2026/0171457 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Solid electrolyte fuel cells197US 5,273,837 ACorning Incorporated · 1993
- Integrated solid oxide fuel cell and reformer101US 6,492,050 B1Acumentrics Corporation · 2002
- Edge manifold assembly for an electrochemical fuel cell stack90US 5,514,487 ABallard Power Systems Inc. · 1996
- Ceramic composite electrolytic device and method for manufacture thereof88US 6,074,771 AIGR Enterprises, Inc. · 2000
- Microcell electrochemical device assemblies with thermal management subsystem, and method of making and using the same75US 6,444,339 B1Microcell Corporation · 2002