H01M 8/04283
Supply means of electrolyte to or in matrix-fuel cells
Official title: {Supply means of electrolyte to or in matrix-fuel cells}
H01M8/04283 (Supply means of electrolyte to or in matrix-fuel cells) appears on 80 US grants and 84 published applications in this corpus.
Search patents in H01M- Granted patents
- 80
- Published applications
- 84
- Assignees
- 71
- Inventors
- 258
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 4 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 5 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 5 | 9 |
| 2018 | 3 | 7 |
| 2019 | 8 | 3 |
| 2020 | 4 | 5 |
| 2021 | 1 | 3 |
| 2022 | 6 | 7 |
| 2023 | 7 | 8 |
| 2024 | 3 | 4 |
| 2025 | 0 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid membrane cell assemblies25 Aug 2026US 12,719,074 B2Skip Technology, Inc.
- Unique electrodes for electrochemical cells21 Jul 2026US 12,689,047 B2Global Energy Science, LLC
- Redox flow battery and method for producing a guide structure of an electrode element of a redox flow battery2 Apr 2024US 11,949,138 B2Litricity GmbH
- Power supply battery and power supply system for high-speed maglev trains27 Feb 2024US 11,916,215 B2Crrc Qingdao Sifang Co., Ltd.
- Operation of molten carbonate fuel cells with high electrolyte fill level30 Jan 2024US 11,888,199 B2ExxonMobil Technology and Engineering Company
- Electro-synthetic or electro-energy cells with liquid features27 Aug 2026US 2026/0250871 A1Hysata Pty Ltd
- Flow battery21 May 2026US 2026/0142213 A1ineova Corp.
- Flow battery with thermal activation14 Aug 2025US 2025/0260040 A1Hamilton Sundstrand Corporation
- Method and system for implementing electrolyte monitoring, computer storage medium, and terminal15 May 2025US 2025/0155350 A1
- Apparatus and method for detecting or controlling carbon buildup in a direct carbon fuel cell6 Feb 2025US 2025/0046839 A1Ekona Power Inc.
Most cited
By later US patents
- Redox flow battery and method of operating it64US 6,692,862 B1Squirrel Holdings Ltd. · 2004
- Cell separator plate used in fuel cell stacks62US 5,232,792 AM-C Power Corporation · 1993
- Fuel cell and supplementary electrolyte container and method for supplementing fuel cell with electrolyte55US 5,563,003 AHitachi, Ltd. · 1996
- Fuel cell having electrolyte inventory control volume38US 4,855,194 AThe United States of America as represented by the United States Department of Energy · 1989
- Apparatus for reducing electrolyte loss from an electrochemical cell30US 4,345,008 AUnited Technologies Corporation · 1982