H01M 8/0258
Characterised by the configuration of channels
Official title: characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M8/0258 (Characterised by the configuration of channels) appears on 2,642 US grants and 3,683 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,642
- Published applications
- 3,683
- Assignees
- 823
- Inventors
- 5,277
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 13 | 0 |
| 1987 | 7 | 0 |
| 1988 | 13 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 37 | 0 |
| 2001 | 40 | 22 |
| 2002 | 57 | 101 |
| 2003 | 62 | 142 |
| 2004 | 75 | 190 |
| 2005 | 82 | 229 |
| 2006 | 76 | 181 |
| 2007 | 63 | 192 |
| 2008 | 76 | 192 |
| 2009 | 94 | 228 |
| 2010 | 168 | 181 |
| 2011 | 131 | 149 |
| 2012 | 159 | 120 |
| 2013 | 114 | 97 |
| 2014 | 105 | 106 |
| 2015 | 105 | 124 |
| 2016 | 81 | 91 |
| 2017 | 89 | 113 |
| 2018 | 101 | 134 |
| 2019 | 108 | 152 |
| 2020 | 139 | 129 |
| 2021 | 104 | 126 |
| 2022 | 112 | 137 |
| 2023 | 94 | 172 |
| 2024 | 75 | 132 |
| 2025 | 78 | 137 |
| 2026 | 70 | 106 |
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.
- Reactant-transport engineering for high-power direct liquid-fuel/oxidant fuel cells6 Oct 2026US 12,755,987 B2Washington University
- Bipolar plate and fuel cell stack6 Oct 2026US 12,755,988 B2Robert Bosch GmbH
- 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.
- SOC stack comprising integrated interconnect and spacer6 Oct 2026US 12,755,998 B2Topsoe A/S
- Method for producing separator8 Oct 2026US 2026/0312084 A1Nok Corporation
- Bipolar plate8 Oct 2026US 2026/0312085 A1Schaeffler Technologies AG & Co. KG
- Electrochemical cell stack interconnect including screen printed features and methods of forming same1 Oct 2026US 2026/0297768 A1Bloom Energy Corporation
- Power generation cell and fuel cell stack1 Oct 2026US 2026/0302271 A1Honda Motor Co., Ltd.
- Solid-oxide stack structure with improved cooling1 Oct 2026US 2026/0302272 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Method for manufacturing porous structure and method for forming pattern645US 6,565,763 B1Kabushiki Kaisha Toshiba · 2003
- Solid oxide fuel cell stack156US 7,465,512 B2ROLLS-ROYCE plc · 2008
- Brazed bipolar plates for PEM fuel cells144US 5,776,624 AGeneral Motors Corporation · 1998
- Fuel cell fluid flow field plate132US 5,108,849 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1992
- Hydrocarbon fuelled fuel cell power system131US 5,527,632 ARolls-Royce and Associates Limited · 1996