H01M 8/023
Porous and characterised by the material
H01M8/023 (Porous and characterised by the material) appears on 1,791 US grants and 2,794 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,791
- Published applications
- 2,794
- Assignees
- 900
- Inventors
- 5,295
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 16 | 0 |
| 2000 | 22 | 0 |
| 2001 | 21 | 11 |
| 2002 | 29 | 73 |
| 2003 | 41 | 86 |
| 2004 | 48 | 127 |
| 2005 | 43 | 140 |
| 2006 | 37 | 140 |
| 2007 | 53 | 166 |
| 2008 | 41 | 136 |
| 2009 | 55 | 165 |
| 2010 | 89 | 144 |
| 2011 | 92 | 131 |
| 2012 | 90 | 105 |
| 2013 | 82 | 101 |
| 2014 | 84 | 110 |
| 2015 | 98 | 110 |
| 2016 | 75 | 108 |
| 2017 | 79 | 97 |
| 2018 | 80 | 109 |
| 2019 | 96 | 106 |
| 2020 | 92 | 93 |
| 2021 | 61 | 102 |
| 2022 | 90 | 102 |
| 2023 | 66 | 98 |
| 2024 | 61 | 110 |
| 2025 | 51 | 66 |
| 2026 | 25 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the preparation of a gas diffusion layer and a gas diffusion layer obtained or obtainable by such method28 Jul 2026US 12,692,607 B2Avantium Knowledge Centre B.V.
- Separator module for fuel cells and unit cell for fuel cells including the same21 Jul 2026US 12,689,041 B2Hyundai Motor Company
- Battery cell21 Jul 2026US 12,689,043 B2Industrial Technology Research Institute
- Separator for fuel cell with excellent corrosion resistance and conductivity and coating method therefor14 Jul 2026US 12,683,178 B2Hyundai Motor Company
- Article having a heat-insulating coating system7 Jul 2026US 12,676,320 B2Forschungszentrum Julich GmbH
- Mesh, water electrolysis apparatus, and fuel cell8 Oct 2026US 2026/0312082 A1Sumitomo Electric Industries, Ltd.
- Thin-film composite membranes for electrochemical systems8 Oct 2026US 2026/0312083 A1Massachusetts Institute of Technology
- Method for producing separator8 Oct 2026US 2026/0312084 A1Nok Corporation
- Electro-synthetic or electro-energy cell, system, and method of operation8 Oct 2026US 2026/0312090 A1Hysata Pty Ltd
- Separator for fuel cell with excellent corrosion resistance and conductivity and coating method therefor8 Oct 2026US 2026/0312107 A1Hyundai Motor Company
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane173US 5,599,638 ACalifornia Institute of Technology · 1997
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Low cost bipolar current collector-separator for electrochemical cells160US 4,214,969 AGeneral Electric Company · 1980