H01M 12/04
Composed of a half-cell of the fuel-cell type and of a half-cell
Official title: composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
H01M12/04 (Composed of a half-cell of the fuel-cell type and of a half-cell) appears on 1,345 US grants and 1,405 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,345
- Published applications
- 1,405
- Assignees
- 592
- Inventors
- 2,682
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 12 | 0 |
| 1978 | 18 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 16 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 16 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 18 | 0 |
| 1994 | 16 | 0 |
| 1995 | 27 | 0 |
| 1996 | 22 | 0 |
| 1997 | 15 | 0 |
| 1998 | 20 | 0 |
| 1999 | 15 | 0 |
| 2000 | 23 | 0 |
| 2001 | 40 | 13 |
| 2002 | 50 | 40 |
| 2003 | 31 | 48 |
| 2004 | 29 | 41 |
| 2005 | 25 | 39 |
| 2006 | 18 | 25 |
| 2007 | 13 | 42 |
| 2008 | 13 | 37 |
| 2009 | 20 | 24 |
| 2010 | 33 | 40 |
| 2011 | 19 | 60 |
| 2012 | 28 | 81 |
| 2013 | 36 | 84 |
| 2014 | 53 | 76 |
| 2015 | 42 | 79 |
| 2016 | 59 | 62 |
| 2017 | 66 | 78 |
| 2018 | 56 | 65 |
| 2019 | 62 | 73 |
| 2020 | 71 | 62 |
| 2021 | 38 | 56 |
| 2022 | 52 | 62 |
| 2023 | 40 | 72 |
| 2024 | 45 | 61 |
| 2025 | 39 | 48 |
| 2026 | 20 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Negative electrode for aqueous electrolyte cell and sheet-type cell29 Sep 2026US 12,749,739 B2Maxell, Ltd.
- Liquid detection sensor22 Sep 2026US 12,744,266 B2Fujikura Composites Inc.
- Sheet-type air cell, method for manufacturing the same, and patch15 Sep 2026US 12,738,571 B2Maxell, Ltd.
- Electrode catalyst, electrode catalyst layer using electrode catalyst, membrane-electrode assembly, and electrochemical device1 Sep 2026US 12,725,807 B2Panasonic Intellectual Property Management Co., Ltd.
- Lithium-air battery4 Aug 2026US 12,700,595 B2Lyten, Inc.
- Iron-nitrogen-carbon catalyst, preparation method therefor, and use thereof1 Oct 2026US 2026/0302266 A1Hainan Tropical Ocean University
- Metal-air battery, metal-air-battery system, and operation method of the metal-air battery system1 Oct 2026US 2026/0302433 A1Samsung Electronics Co., Ltd.
- Electrochemical cell24 Sep 2026US 2026/0290848 A1Saudi Arabian Oil Company
- Carbon material, method for producing carbon material, catalyst, dispersion liquid, electrode, battery, and electrolysis device17 Sep 2026US 2026/0274673 A1DIC Corporation
- Metal-air battery, power supply including the same, and method of manufacturing metal-air battery17 Sep 2026US 2026/0279973 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Storage-stable, fluid dispensing device using a hydrogen gas generator197US 5,707,499 ACeramatec, Inc. · 1998
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012
- Active metal/aqueous electrochemical cells and systems116US 8,202,649 B2PolyPlus Battery Company · 2012
- Active metal/aqueous electrochemical cells and systems111US 7,645,543 B2PolyPlus Battery Company · 2010