H01M 4/368
Liquid depolarisers
Official title: {Liquid depolarisers}
H01M4/368 (Liquid depolarisers) appears on 102 US grants and 129 published applications in this corpus.
Search patents in H01M- Granted patents
- 102
- Published applications
- 129
- Assignees
- 87
- Inventors
- 323
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 3 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 2 |
| 2016 | 1 | 5 |
| 2017 | 0 | 2 |
| 2018 | 2 | 16 |
| 2019 | 8 | 17 |
| 2020 | 21 | 19 |
| 2021 | 14 | 15 |
| 2022 | 17 | 13 |
| 2023 | 11 | 10 |
| 2024 | 10 | 3 |
| 2025 | 5 | 6 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for determining average oxidation state of redox flow battery systems30 Dec 2025US 12,512,499 B2Cougar Creek Technologies, LLC
- Battery management architectures for flow batteries6 May 2025US 12,294,236 B2Nextracker LLC
- Cost-efficient high energy density redox flow battery22 Apr 2025US 12,283,730 B2Ess Tech, Inc.
- Cost-efficient high energy density redox flow battery22 Apr 2025US 12,283,731 B2Ess Tech, Inc.
- Asymmetric metal complex as an active material of a flow battery21 Jan 2025US 12,206,112 B2The University of Akron
- Metal-carbon composites and uses thereof30 Jul 2026US 2026/0218342 A1B. G. Negev Technologies and Applications Ltd., At Ben-Gurion University
- Liquid metal oxide composites as a source of electrochemical energy and uses thereof30 Apr 2026US 2026/0121081 A1Trustees of Boston University
- Method of manufacturing electrode-laminated body module19 Mar 2026US 2026/0081161 A1Toyota Jidosha Kabushiki Kaisha
- Systems and methods for electrochemical energy storage and related processes12 Mar 2026US 2026/0074201 A1Sunshine Bottling, LLC
- Molten salt sodium oxygen battery12 Mar 2026US 2026/0074202 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Cerium batteries56US 7,625,663 B2Plurion Limited · 2009
- Load leveling battery and methods therefor36US 7,270,911 B2Plurion Limited · 2007
- Mixed electrolyte battery33US 7,560,189 B2Plurion Limited · 2009
- Abuse resistant active metal anode/fluid cathode depolarized cells31US 4,238,554 ADuracell International Inc. · 1980
- Electrochemical desalination system with coupled electricity storage19US 10,550,014 B2Palo Alto Research Center Incorporated · 2020