H01M 8/0273
With sealing or supporting means in the form of a frame
Official title: with sealing or supporting means in the form of a frame
H01M8/0273 (With sealing or supporting means in the form of a frame) appears on 1,322 US grants and 1,830 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,322
- Published applications
- 1,830
- Assignees
- 512
- Inventors
- 3,123
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 17 | 9 |
| 2002 | 16 | 27 |
| 2003 | 20 | 40 |
| 2004 | 23 | 67 |
| 2005 | 18 | 72 |
| 2006 | 25 | 88 |
| 2007 | 28 | 78 |
| 2008 | 39 | 85 |
| 2009 | 43 | 106 |
| 2010 | 64 | 80 |
| 2011 | 46 | 67 |
| 2012 | 71 | 57 |
| 2013 | 55 | 55 |
| 2014 | 49 | 78 |
| 2015 | 71 | 92 |
| 2016 | 57 | 70 |
| 2017 | 52 | 57 |
| 2018 | 62 | 82 |
| 2019 | 78 | 86 |
| 2020 | 80 | 96 |
| 2021 | 76 | 80 |
| 2022 | 69 | 78 |
| 2023 | 62 | 80 |
| 2024 | 36 | 72 |
| 2025 | 39 | 74 |
| 2026 | 29 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and fuel cell including same6 Oct 2026US 12,755,996 B2Kolon Industries, Inc.
- Fuel cell assembly29 Sep 2026US 12,749,691 B2Powercell Sweden AB
- 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
- Method for producing a membrane-electrode assembly1 Sep 2026US 12,725,809 B2Robert Bosch GmbH
- Method for producing separator8 Oct 2026US 2026/0312084 A1Nok Corporation
- Solid oxide fuel cell1 Oct 2026US 2026/0302263 A1Nissan Motor Co., Ltd.
- Manifold insert for an electrochemical system1 Oct 2026US 2026/0302304 A1New Hydrogen IP, LLC
- Fuel cell stack17 Sep 2026US 2026/0279849 A1Honda Motor Co., Ltd.
- Electrochemical cell and separator-equipped electrochemical cell17 Sep 2026US 2026/0279850 A1NGK Corporation
Most cited
By later US patents
- Solid oxide electrolyte fuel cell136US 5,501,914 AMitsubishi Jukogyo Kabushiki Kaisha · 1996
- Planar fuel cell116US 6,127,058 AMotorola, Inc. · 2000
- Membrane electrode assemblies115US 5,910,378 AMinnesota Mining and Manufacturing Company · 1999
- Membrane electrode assembly for an electrochemical fuel cell and a method of making an improved membrane electrode assembly110US 6,057,054 ABallard Power Systems Inc. · 2000
- Plate and frame fluid exchanging assembly with unitary plates and seals102US 6,171,374 B2Ballard Power Systems Inc. · 2001