H01M 8/083
Alkaline fuel cells
H01M8/083 (Alkaline fuel cells) appears on 224 US grants and 385 published applications in this corpus.
Search patents in H01M- Granted patents
- 224
- Published applications
- 385
- Assignees
- 201
- Inventors
- 788
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 3 | 7 |
| 2003 | 4 | 14 |
| 2004 | 4 | 5 |
| 2005 | 6 | 10 |
| 2006 | 6 | 17 |
| 2007 | 6 | 20 |
| 2008 | 6 | 15 |
| 2009 | 7 | 16 |
| 2010 | 6 | 18 |
| 2011 | 11 | 16 |
| 2012 | 4 | 16 |
| 2013 | 8 | 11 |
| 2014 | 11 | 18 |
| 2015 | 10 | 14 |
| 2016 | 9 | 26 |
| 2017 | 7 | 15 |
| 2018 | 16 | 25 |
| 2019 | 16 | 20 |
| 2020 | 22 | 13 |
| 2021 | 17 | 16 |
| 2022 | 10 | 14 |
| 2023 | 11 | 18 |
| 2024 | 10 | 26 |
| 2025 | 9 | 9 |
| 2026 | 5 | 6 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Salinity gradient power generation device comprising electrodes of an activated carbon fabric15 Sep 2026US 12,738,523 B2Sweetch Energy
- LDH separator7 Apr 2026US 12,597,677 B2NGK Insulators, Ltd.
- Waste heat control for aircraft fuel cell27 Jan 2026US 12,533,996 B2Wright Electric Inc.
- Azulene-based branched poly aryl-piperidine anion exchange membranes and preparation methods thereof6 Jan 2026US 12,515,211 B2Shanghai Jiao Tong University
- LDH-like compound separator and zinc secondary battery6 Jan 2026US 12,519,112 B2NGK Insulators, Ltd.
- Closed-Loop Magnesium Galvanic Power Generation System with Hydrogen Capture8 Oct 2026US 2026/0312099 A1Dmag USA
- A method for controlling a work function of at least one surface, electrode, electrochemical cell energy storage device, photovoltaic cell and electrical component thereof9 Jul 2026US 2026/0196524 A1Chiral Ltd
- Poly(aryl piperidinium) copolymer ionomer grafted with propargyl group, cross-linked anion-exchange membrane, and method for preparing same11 Jun 2026US 2026/0159628 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Waste heat control for vehicle fuel cell30 Apr 2026US 2026/0116261 A1
- Fuel Cell Powered Vaporizer Device5 Mar 2026US 2026/0060300 A1JUUL Labs, Inc.
Most cited
By later US patents
- Ammonia cracker for production of hydrogen62US 6,936,363 B2Apollo Energy Systems, Incorporated · 2005
- Finely divided metal catalyst and method for making same42US 6,841,512 B1Ovonic Battery Company, Inc. · 2005
- Fuel cell, components and systems42US 7,488,547 B12009
- Power system for more electric aircraft35US 10,913,543 B2GE Aviation Systems LLC · 2021
- Catalytic hydrogen storage composite material and fuel cell employing same30US 6,875,536 B2Texaco Ovonic Fuel Cell LLC · 2005