H01M 8/225
Fuel cells in which the fuel is based on materials comprising particulate
Official title: {Fuel cells in which the fuel is based on materials comprising particulate active material in the form of a suspension, a dispersion, a fluidised bed or a paste}
H01M8/225 (Fuel cells in which the fuel is based on materials comprising particulate) appears on 137 US grants and 141 published applications in this corpus.
Search patents in H01M- Granted patents
- 137
- Published applications
- 141
- Assignees
- 99
- Inventors
- 353
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 9 |
| 2004 | 5 | 4 |
| 2005 | 0 | 0 |
| 2006 | 0 | 9 |
| 2007 | 2 | 5 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 7 |
| 2011 | 0 | 10 |
| 2012 | 4 | 3 |
| 2013 | 1 | 4 |
| 2014 | 6 | 8 |
| 2015 | 9 | 11 |
| 2016 | 5 | 7 |
| 2017 | 9 | 8 |
| 2018 | 4 | 9 |
| 2019 | 3 | 8 |
| 2020 | 10 | 5 |
| 2021 | 4 | 5 |
| 2022 | 3 | 4 |
| 2023 | 6 | 8 |
| 2024 | 2 | 2 |
| 2025 | 6 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Semi-solid electrodes having high rate capability132US 8,993,159 B224M Technologies, Inc. · 2015
- Continuous-feed electrochemical cell with nonpacking particulate electrode108US 5,434,020 AThe Regents of the University of California · 1995
- Fuel system using redox flow battery108US 8,778,552 B224M Technologies, Inc. · 2014
- Fuel system using redox flow battery103US 9,293,781 B224M Technologies, Inc. · 2016
- Semi-solid electrodes having high rate capability101US 9,184,464 B224M Technologies, Inc. · 2015