H01M 8/08
Fuel cells with aqueous electrolytes
H01M8/08 (Fuel cells with aqueous electrolytes) appears on 651 US grants and 912 published applications in this corpus.
Search patents in H01M- Granted patents
- 651
- Published applications
- 912
- Assignees
- 486
- Inventors
- 1,961
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 10 | 16 |
| 2003 | 12 | 36 |
| 2004 | 14 | 29 |
| 2005 | 9 | 19 |
| 2006 | 17 | 42 |
| 2007 | 11 | 50 |
| 2008 | 12 | 40 |
| 2009 | 12 | 43 |
| 2010 | 23 | 49 |
| 2011 | 25 | 38 |
| 2012 | 29 | 43 |
| 2013 | 23 | 26 |
| 2014 | 31 | 38 |
| 2015 | 21 | 38 |
| 2016 | 26 | 51 |
| 2017 | 29 | 43 |
| 2018 | 36 | 45 |
| 2019 | 39 | 37 |
| 2020 | 36 | 37 |
| 2021 | 30 | 32 |
| 2022 | 30 | 40 |
| 2023 | 24 | 34 |
| 2024 | 23 | 42 |
| 2025 | 17 | 23 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Salinity gradient power generation device comprising electrodes of an activated carbon fabric15 Sep 2026US 12,738,523 B2Sweetch Energy
- Heteroaryl-pyridinium compound and redox flow battery comprising the same2 Jun 2026US 12,643,893 B2Korea Advanced Institute of Science and Technology
- Stabilized solid garnet electrolyte and methods thereof2 Jun 2026US 12,646,743 B2Corning Incorporated
- Battery storage container and method of use12 May 2026US 12,626,992 B2Dragon Q Energy LLC
- LDH separator7 Apr 2026US 12,597,677 B2NGK Insulators, Ltd.
- Closed-Loop Magnesium Galvanic Power Generation System with Hydrogen Capture8 Oct 2026US 2026/0312099 A1Dmag USA
- Additives for redox mediated flow batteries17 Sep 2026US 2026/0279869 A1Schlumberger Technology Corporation
- Stabilized solid garnet electrolyte and methods thereof17 Sep 2026US 2026/0279900 A1Corning Incorporated
- Balance-of-plant for electro-synthetic or electro-energy liquid-gas cells or cell stacks10 Sep 2026US 2026/0269283 A1Hysata Pty Ltd
- Power generating apparatus, system and method for utilising of the chemical energy of a flowing ionic medium, in particular waste water27 Aug 2026US 2026/0253932 A1
Most cited
By later US patents
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012
- Electrochemical cell with a porous support plate119US 6,024,848 AInternational Fuel Cells Corporation · 2000
- Fuel cell with proton conducting membrane97US 6,492,047 B1Ramot University Authority for Applied Research and Industrial Development Ltd. · 2002
- High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it95US 5,084,144 APhysical Sciences, Inc. · 1992