H01M 8/1231
With both reactants being gaseous or vaporised
Official title: with both reactants being gaseous or vaporised
H01M8/1231 (With both reactants being gaseous or vaporised) appears on 368 US grants and 356 published applications in this corpus.
Search patents in H01M- Granted patents
- 368
- Published applications
- 356
- Assignees
- 203
- Inventors
- 988
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 5 |
| 2002 | 12 | 16 |
| 2003 | 12 | 19 |
| 2004 | 12 | 33 |
| 2005 | 13 | 15 |
| 2006 | 11 | 14 |
| 2007 | 12 | 15 |
| 2008 | 6 | 11 |
| 2009 | 14 | 17 |
| 2010 | 12 | 10 |
| 2011 | 6 | 13 |
| 2012 | 14 | 14 |
| 2013 | 8 | 18 |
| 2014 | 11 | 6 |
| 2015 | 11 | 11 |
| 2016 | 7 | 16 |
| 2017 | 9 | 11 |
| 2018 | 7 | 11 |
| 2019 | 14 | 10 |
| 2020 | 9 | 13 |
| 2021 | 12 | 15 |
| 2022 | 4 | 15 |
| 2023 | 8 | 15 |
| 2024 | 12 | 12 |
| 2025 | 10 | 9 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen release/storage system, hydrogen release/storage method, ammonia production equipment, gas turbine, fuel cell, and steel mill24 Mar 2026US 12,582,953 B2Mitsubishi Heavy Industries, Ltd.
- Heat insulation structure for high-temperature reaction room10 Mar 2026US 12,573,646 B2Mitsubishi Heavy Industries, Ltd.
- Electrochemical cell, power generation method using electrochemical cell, and manufacturing method of hydrogen gas using electrochemical cell10 Mar 2026US 12,573,653 B2Chiyoda Corporation
- Solid oxide electrolysis cell, and method and system for operating same6 Jan 2026US 12,516,430 B2University of Yamanashi
- CO2 utilization for co production via fuel cell enabled by CO2-selective membrane21 Oct 2025US 12,447,436 B2Ohio State Innovation Foundation
- Control method for fuel cell system and control device for fuel cell system1 Oct 2026US 2026/0302290 A1Nissan Motor Co., Ltd.
- Hydrocarbon fuel cell24 Sep 2026US 2026/0290866 A1
- Rechargeable carbon battery with finishing stack13 Aug 2026US 2026/0237708 A1Noon Energy
- Production of syngas from methane16 Jul 2026US 2026/0204606 A1Totalenergies Onetech
- Internally pressurized electrochemical cell stacks and methods of operating and making thereof12 Mar 2026US 2026/0074242 A1Bloom Energy Corporation
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Solid electrolyte fuel cells197US 5,273,837 ACorning Incorporated · 1993
- Enhanced solid oxide fuel cell systems141US 7,285,350 B2QuestAir Technologies Inc. · 2007
- Power generation system and method129US 6,915,869 B2Delphi Technologies, Inc. · 2005
- Electrochemical generator apparatus containing modified high temperature insulation and coated surfaces for use with hydrocarbon fuels121US 4,898,792 AWestinghouse Electric Corp. · 1990