H01M 8/0612
From carbon-containing material
Official title: from carbon-containing material
H01M8/0612 (From carbon-containing material) appears on 2,975 US grants and 3,622 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,975
- Published applications
- 3,622
- Assignees
- 934
- Inventors
- 5,358
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 9 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 19 | 0 |
| 1988 | 21 | 0 |
| 1989 | 20 | 0 |
| 1990 | 18 | 0 |
| 1991 | 19 | 0 |
| 1992 | 21 | 0 |
| 1993 | 23 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 21 | 0 |
| 1997 | 26 | 0 |
| 1998 | 31 | 0 |
| 1999 | 42 | 0 |
| 2000 | 50 | 0 |
| 2001 | 69 | 57 |
| 2002 | 79 | 205 |
| 2003 | 134 | 224 |
| 2004 | 120 | 248 |
| 2005 | 112 | 238 |
| 2006 | 110 | 243 |
| 2007 | 109 | 235 |
| 2008 | 107 | 204 |
| 2009 | 116 | 199 |
| 2010 | 163 | 206 |
| 2011 | 149 | 158 |
| 2012 | 156 | 138 |
| 2013 | 117 | 115 |
| 2014 | 133 | 145 |
| 2015 | 105 | 129 |
| 2016 | 105 | 108 |
| 2017 | 103 | 91 |
| 2018 | 73 | 102 |
| 2019 | 72 | 79 |
| 2020 | 94 | 89 |
| 2021 | 68 | 78 |
| 2022 | 76 | 92 |
| 2023 | 72 | 80 |
| 2024 | 50 | 61 |
| 2025 | 52 | 49 |
| 2026 | 28 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell system including ejector6 Oct 2026US 12,755,990 B2Versa Power Systems, Ltd.
- Vapor displacement refueling including data communications, zero gravity and chemical looping combustion system25 Aug 2026US 12,718,682 B2
- Fuel cell system4 Aug 2026US 12,700,605 B2LG Electronics Inc.
- Carbon-neutral process for generating electricity28 Jul 2026US 12,695,105 B2Claire Technologies Licensing, LLC
- Use of renewable energy in methanol synthesis14 Jul 2026US 12,678,760 B2Sabic Global Technologies B.V.
- System and method for generating electricity using pyrolysis of plastics8 Oct 2026US 2026/0312100 A1
- Fuel cell system and control method therefor8 Oct 2026US 2026/0312102 A1Nissan Motor Co., Ltd.
- Control method for fuel cell system and control device for fuel cell system1 Oct 2026US 2026/0302290 A1Nissan Motor Co., Ltd.
- System and method for processing syngas from fuel cell system exhaust1 Oct 2026US 2026/0302297 A1Bloom Energy Corporation
- Comprehensive energy supply system with hydrogen production and prediction function and integrated with hydrogen energy storage by residual flue gas of gas engine24 Sep 2026US 2026/0286916 A1The Architectural Design & Research Institute of Zhejiang University Co., Ltd.
Most cited
By later US patents
- Carbonate fuel cell system with thermally integrated gasification359US 5,554,453 AEnergy Research Corporation · 1996
- Generating electricity from coal in situ328US 4,250,230 AIn Situ Technology, Inc. · 1981
- Apparatus and method for methanol production using a fuel cell to regulate the gas composition entering the methanol synthesizer325US 4,772,634 AEnergy Research Corporation · 1988
- Coal gasification and hydrogen production system and method301US 5,955,039 ASiemens Westinghouse Power Corporation · 1999
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions283US 6,187,465 B12001