H01M 8/04022
Heating by combustion
Official title: {Heating by combustion}
H01M8/04022 (Heating by combustion) appears on 805 US grants and 1,048 published applications in this corpus.
Search patents in H01M- Granted patents
- 805
- Published applications
- 1,048
- Assignees
- 341
- Inventors
- 1,820
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 13 |
| 2002 | 24 | 49 |
| 2003 | 22 | 52 |
| 2004 | 21 | 58 |
| 2005 | 33 | 84 |
| 2006 | 33 | 60 |
| 2007 | 27 | 58 |
| 2008 | 26 | 75 |
| 2009 | 34 | 53 |
| 2010 | 54 | 44 |
| 2011 | 47 | 37 |
| 2012 | 28 | 29 |
| 2013 | 26 | 30 |
| 2014 | 33 | 32 |
| 2015 | 27 | 46 |
| 2016 | 35 | 31 |
| 2017 | 34 | 29 |
| 2018 | 22 | 34 |
| 2019 | 26 | 32 |
| 2020 | 29 | 35 |
| 2021 | 24 | 22 |
| 2022 | 26 | 35 |
| 2023 | 32 | 35 |
| 2024 | 23 | 32 |
| 2025 | 20 | 30 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Control method for fuel cell system and control device for fuel cell system1 Oct 2026US 2026/0302290 A1Nissan Motor Co., Ltd.
- Fuel cell system13 Aug 2026US 2026/0237694 A1AVL List GmbH
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Most cited
By later US patents
- Carbonate fuel cell system with thermally integrated gasification359US 5,554,453 AEnergy Research Corporation · 1996
- Coal gasification and hydrogen production system and method301US 5,955,039 ASiemens Westinghouse Power Corporation · 1999
- Purge gas protected transportable pressurized fuel cell modules and their operation in a power plant195US 5,573,867 AWestinghouse Electric Corp. · 1996
- Method and system for supplying hydrogen for use in fuel cells190US 6,348,278 B1Mobil Oil Corporation · 2002
- Solid oxide fuel cell generator with removable modular fuel cell stack configurations188US 5,741,605 AWestinghouse Electric Corp. · 1998