H01M 8/0204
Non-porous and characterised by the material
H01M8/0204 (Non-porous and characterised by the material) appears on 2,455 US grants and 3,423 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,455
- Published applications
- 3,423
- Assignees
- 986
- Inventors
- 5,810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 20 | 0 |
| 1995 | 17 | 0 |
| 1996 | 23 | 0 |
| 1997 | 14 | 0 |
| 1998 | 31 | 0 |
| 1999 | 41 | 0 |
| 2000 | 46 | 0 |
| 2001 | 49 | 22 |
| 2002 | 44 | 125 |
| 2003 | 55 | 144 |
| 2004 | 81 | 158 |
| 2005 | 64 | 192 |
| 2006 | 66 | 176 |
| 2007 | 63 | 173 |
| 2008 | 54 | 160 |
| 2009 | 75 | 186 |
| 2010 | 129 | 158 |
| 2011 | 114 | 142 |
| 2012 | 117 | 109 |
| 2013 | 99 | 118 |
| 2014 | 105 | 108 |
| 2015 | 89 | 116 |
| 2016 | 88 | 119 |
| 2017 | 92 | 92 |
| 2018 | 84 | 121 |
| 2019 | 111 | 141 |
| 2020 | 112 | 110 |
| 2021 | 97 | 144 |
| 2022 | 113 | 125 |
| 2023 | 88 | 136 |
| 2024 | 76 | 142 |
| 2025 | 66 | 115 |
| 2026 | 48 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell separator and method for manufacturing same6 Oct 2026US 12,755,986 B2Dongwoo Hst Co., Ltd.
- Bipolar separator for electrochemical reactor22 Sep 2026US 12,744,225 B2Alstom HydrogèNe SAS
- Fuel cell interconnect alloyed with transition metal element and method of making thereof8 Sep 2026US 12,731,795 B2Bloom Energy Corporation
- Bipolar plate, method of production, and use thereof8 Sep 2026US 12,731,796 B2EKPO Fuel Cell Technologies GmbH
- Bipolar plate for fuel cells, fuel cell stack having such bipolar plates, and vehicle having such a fuel cell stack1 Sep 2026US 12,725,808 B2Audi AG
- Stainless steel for fuel cell separator8 Oct 2026US 2026/0312081 A1Posco
- Electrochemical cell stack interconnect including screen printed features and methods of forming same1 Oct 2026US 2026/0297768 A1Bloom Energy Corporation
- Separator for fuel cell and method of manufacturing separator for fuel cell1 Oct 2026US 2026/0302270 A1Toyota Jidosha Kabushiki Kaisha
- Fuel cell stack1 Oct 2026US 2026/0302305 A1Honda Motor Co., Ltd.
- Busbar Arrangement, and Fuel Cell24 Sep 2026US 2026/0290855 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014
- Low cost bipolar current collector-separator for electrochemical cells160US 4,214,969 AGeneral Electric Company · 1980
- Brazed bipolar plates for PEM fuel cells144US 5,776,624 AGeneral Motors Corporation · 1998
- High energy density redox flow device134US 9,153,833 B224M Technologies, Inc. · 2015