H01M 6/04
Cells with aqueous electrolyte
H01M6/04 (Cells with aqueous electrolyte) appears on 1,721 US grants and 1,234 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,721
- Published applications
- 1,234
- Assignees
- 549
- Inventors
- 3,095
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 30 | 0 |
| 1978 | 33 | 0 |
| 1979 | 16 | 0 |
| 1980 | 19 | 0 |
| 1981 | 22 | 0 |
| 1982 | 18 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 23 | 0 |
| 1986 | 20 | 0 |
| 1987 | 14 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 23 | 0 |
| 1991 | 23 | 0 |
| 1992 | 17 | 0 |
| 1993 | 18 | 0 |
| 1994 | 25 | 0 |
| 1995 | 33 | 0 |
| 1996 | 32 | 0 |
| 1997 | 48 | 0 |
| 1998 | 55 | 0 |
| 1999 | 60 | 0 |
| 2000 | 81 | 0 |
| 2001 | 86 | 43 |
| 2002 | 84 | 75 |
| 2003 | 82 | 100 |
| 2004 | 71 | 105 |
| 2005 | 42 | 78 |
| 2006 | 42 | 71 |
| 2007 | 42 | 55 |
| 2008 | 39 | 54 |
| 2009 | 54 | 59 |
| 2010 | 51 | 40 |
| 2011 | 36 | 54 |
| 2012 | 46 | 47 |
| 2013 | 28 | 32 |
| 2014 | 31 | 35 |
| 2015 | 25 | 25 |
| 2016 | 22 | 31 |
| 2017 | 28 | 32 |
| 2018 | 33 | 39 |
| 2019 | 29 | 36 |
| 2020 | 31 | 54 |
| 2021 | 25 | 34 |
| 2022 | 31 | 30 |
| 2023 | 34 | 37 |
| 2024 | 13 | 22 |
| 2025 | 20 | 22 |
| 2026 | 15 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery including beta-delithiated layered nickel oxide electrochemically active cathode material25 Aug 2026US 12,719,054 B2Duracell U.S. Operations, Inc.
- Battery and method for manufacturing same18 Aug 2026US 12,712,209 B2Panasonic Energy Co., Ltd.
- Alkali dry cell11 Aug 2026US 12,706,309 B2Panasonic Intellectual Property Management Co., Ltd.
- Alkaline electrodes with electrolyte reservoirs7 Jul 2026US 12,676,393 B2Energizer Brands, LLC
- Electrolyte engineering methods and systems16 Jun 2026US 12,658,448 B2L3Harris Open Water Power, Inc.
- Biological battery17 Sep 2026US 2026/0279867 A1
- A process for the purification of graphitic material10 Sep 2026US 2026/0265066 A1Hazer Group Ltd.
- Energy storage cell and production method27 Aug 2026US 2026/0254073 A1
- Alkaline dry-cell battery20 Aug 2026US 2026/0245863 A1Panasonic Intellectual Property Management Co., Ltd.
- Alkaline dry-cell battery20 Aug 2026US 2026/0245911 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Implantable device with improved battery recharging and powering configuration693US 6,067,474 AAdvanced Bionics AG · 2000
- Vibration resistant electrochemical cell having deformed casing and method of making same392US 4,255,500 AGeneral Electric Company · 1981
- Slotted insulator for unsealed electrode edges in electrochemical cells326US 6,013,113 AWilson Greatbatch Ltd. · 2000
- Solid polymer electrolytes203US 6,645,675 B1Lithium Power Technologies, Inc. · 2003
- High reliability electrochemical cell and electrode assembly therefor200US 5,439,760 AMedtronic, Inc. · 1995