H01M 4/8605
Porous electrodes
Official title: {Porous electrodes}
H01M4/8605 (Porous electrodes) appears on 2,448 US grants and 3,539 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,448
- Published applications
- 3,539
- Assignees
- 1,164
- Inventors
- 6,805
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 13 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 21 | 0 |
| 1998 | 21 | 0 |
| 1999 | 24 | 0 |
| 2000 | 27 | 0 |
| 2001 | 53 | 20 |
| 2002 | 56 | 117 |
| 2003 | 62 | 177 |
| 2004 | 83 | 255 |
| 2005 | 85 | 225 |
| 2006 | 105 | 202 |
| 2007 | 83 | 173 |
| 2008 | 81 | 167 |
| 2009 | 99 | 188 |
| 2010 | 123 | 175 |
| 2011 | 115 | 132 |
| 2012 | 108 | 116 |
| 2013 | 93 | 136 |
| 2014 | 88 | 129 |
| 2015 | 88 | 134 |
| 2016 | 86 | 128 |
| 2017 | 112 | 122 |
| 2018 | 93 | 118 |
| 2019 | 93 | 105 |
| 2020 | 102 | 109 |
| 2021 | 74 | 133 |
| 2022 | 91 | 94 |
| 2023 | 89 | 110 |
| 2024 | 78 | 124 |
| 2025 | 63 | 74 |
| 2026 | 32 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Salinity gradient power generation device comprising electrodes of an activated carbon fabric15 Sep 2026US 12,738,523 B2Sweetch Energy
- Fluorine-containing compound having sulfonic acid group and polymer electrolyte fuel cell25 Aug 2026US 12,719,070 B2Nissan Chemical Corporation
- Electrochemical cell catalyst layers18 Aug 2026US 12,712,188 B2Robert Bosch GmbH
- Solar hydrogen fuel cell system18 Aug 2026US 12,712,480 B1
- Part coated with a carbon-based layer4 Aug 2026US 12,698,556 B2Hydromecanique Et Frottement
- Porous body, porous current collector, and solid oxide fuel cells including them8 Oct 2026US 2026/0312074 A1Sumitomo Electric Industries, Ltd.
- Nickel molybdenum catalysts and their methods of preparation8 Oct 2026US 2026/0312078 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Solid oxide fuel cell1 Oct 2026US 2026/0302263 A1Nissan Motor Co., Ltd.
- Fuel cell electrode and fuel cell comprising the same1 Oct 2026US 2026/0302264 A1Korea Institute of Science and Technology
- Iron-nitrogen-carbon catalyst, preparation method therefor, and use thereof1 Oct 2026US 2026/0302266 A1Hainan Tropical Ocean University
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Bifunctional air electrode407US 4,524,114 AAllied Corporation · 1985
- Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane173US 5,599,638 ACalifornia Institute of Technology · 1997
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Metal/air cells and improved air electrodes for use therein160US 3,977,901 AWestinghouse Electric Corp. · 1976