H01M 2004/8694
Bipolar electrodes
Official title: {Bipolar electrodes}
H01M2004/8694 (Bipolar electrodes) appears on 58 US grants and 100 published applications in this corpus.
Search patents in H01M- Granted patents
- 58
- Published applications
- 100
- Assignees
- 61
- Inventors
- 234
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 6 |
| 2016 | 1 | 3 |
| 2017 | 3 | 7 |
| 2018 | 2 | 0 |
| 2019 | 8 | 3 |
| 2020 | 2 | 7 |
| 2021 | 3 | 5 |
| 2022 | 5 | 13 |
| 2023 | 9 | 17 |
| 2024 | 6 | 16 |
| 2025 | 4 | 8 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bipolar plate for fuel cells, fuel cell stack having such bipolar plates, and vehicle having such a fuel cell stack1 Sep 2026US 12,725,808 B2Audi AG
- Part coated with a carbon-based layer4 Aug 2026US 12,698,556 B2Hydromecanique Et Frottement
- Fuel cell comprising a bipolar module capable of generating heat31 Mar 2026US 12,592,398 B2Safran Power Units
- Bipolar plate, cell frame, battery cell, cell stack, and redox flow battery24 Mar 2026US 12,586,806 B2Sumitomo Electric Industries, Ltd.
- Bipolar plate with stiffening structures17 Feb 2026US 12,555,800 B2Reinz-Dichtungs-GmbH
- Coated graphite particulate material23 Jul 2026US 2026/0209048 A1ImerTech SAS
- Bipolar plate assembly for electrolysis cell16 Jul 2026US 2026/0204593 A1GM Global Technology Operations LLC
- Plant for Forming a Polar Plate of a Fuel Cell, and Associated Forming Method9 Jul 2026US 2026/0192350 A1
- Bipolar plate and method for producing a bipolar plate4 Jun 2026US 2026/0155406 A1Schaeffler Technologies AG & Co. KG
- Redox Tolerant Fuel Electrode for Solid Oxide Electrochemical Cells and Stacks30 Apr 2026US 2026/0121096 A1
Most cited
By later US patents
- Fuel system using redox flow battery108US 8,778,552 B224M Technologies, Inc. · 2014
- Fuel system using redox flow battery103US 9,293,781 B224M Technologies, Inc. · 2016
- Fuel system using redox flow battery93US 9,583,780 B224M Technologies, Inc. · 2017
- Bipolar electrode-electrolyte unit60US 5,955,215 ADornier GmbH · 1999
- Fuel cell stack with solid electrolytes and their arrangement48US 6,344,290 B12002