H01M 4/244
Zinc electrodes
Official title: {Zinc electrodes}
H01M4/244 (Zinc electrodes) appears on 447 US grants and 542 published applications in this corpus.
Search patents in H01M- Granted patents
- 447
- Published applications
- 542
- Assignees
- 236
- Inventors
- 932
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 1 |
| 2002 | 8 | 9 |
| 2003 | 10 | 24 |
| 2004 | 14 | 19 |
| 2005 | 5 | 26 |
| 2006 | 5 | 15 |
| 2007 | 14 | 25 |
| 2008 | 8 | 24 |
| 2009 | 16 | 16 |
| 2010 | 20 | 11 |
| 2011 | 11 | 22 |
| 2012 | 14 | 16 |
| 2013 | 10 | 10 |
| 2014 | 11 | 13 |
| 2015 | 9 | 25 |
| 2016 | 8 | 13 |
| 2017 | 11 | 20 |
| 2018 | 9 | 16 |
| 2019 | 18 | 22 |
| 2020 | 21 | 33 |
| 2021 | 19 | 39 |
| 2022 | 24 | 25 |
| 2023 | 19 | 43 |
| 2024 | 19 | 27 |
| 2025 | 22 | 26 |
| 2026 | 14 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alkaline battery assembled in a discharged state and a method of producing battery electrode materials6 Oct 2026US 12,755,961 B2Zelos Energy Ltd.
- Phosphate based surfactants for alkaline battery anode25 Aug 2026US 12,719,049 B2Duracell U.S. Operations, Inc.
- Battery including beta-delithiated layered nickel oxide electrochemically active cathode material25 Aug 2026US 12,719,054 B2Duracell U.S. Operations, Inc.
- Electrode assemblies incorporating ion exchange materials7 Jul 2026US 12,676,311 B2Zelos Energy Ltd.
- Rechargeable alkaline manganese dioxide-zinc bipolar batteries30 Jun 2026US 12,671,078 B2Research Foundation of the City University of New York
- Electrode Assemblies Incorporating Ion Exchange Materials24 Sep 2026US 2026/0290829 A1Zelos Energy Ltd.
- Superfast recharging zinc-based energy storage devices3 Sep 2026US 2026/0260880 A1Nanotech Energy, Inc.
- Zinc battery13 Aug 2026US 2026/0237636 A1Fdk Corporation
- Separators with Ion-Exchange Layers and Electrochemical Cells Comprising Such Separators13 Aug 2026US 2026/0237847 A1Zelos Energy Ltd.
- Separators with Ion-Exchange Layers and Electrochemical Cells Comprising Such Separators13 Aug 2026US 2026/0237857 A1Zelos Energy Ltd.
Most cited
By later US patents
- Rechargeable batteries1,485US 6,596,432 B2Canon Kabushiki Kaisha · 2003
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Electrode structural body, rechargeable battery provided with said electrode structural body, and rechargeable battery206US 6,432,585 B1Canon Kabushiki Kaisha · 2002
- Zinc electrode and rechargeable zinc-air battery113US 4,842,963 AThe United States of America as represented by the United States Department of Energy · 1989
- Electrochemical metal-air cell and electrically and mechanically rechargeable anodes for use therein95US 5,318,861 AElectric Fuel Limited · 1994