H01M 8/04641
Of the individual fuel cell
Official title: {of the individual fuel cell}
H01M8/04641 (Of the individual fuel cell) appears on 107 US grants and 145 published applications in this corpus.
Search patents in H01M- Granted patents
- 107
- Published applications
- 145
- Assignees
- 56
- Inventors
- 335
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 7 |
| 2010 | 1 | 8 |
| 2011 | 0 | 5 |
| 2012 | 3 | 6 |
| 2013 | 11 | 8 |
| 2014 | 6 | 7 |
| 2015 | 7 | 6 |
| 2016 | 7 | 7 |
| 2017 | 5 | 18 |
| 2018 | 7 | 9 |
| 2019 | 15 | 9 |
| 2020 | 7 | 9 |
| 2021 | 11 | 6 |
| 2022 | 6 | 10 |
| 2023 | 5 | 2 |
| 2024 | 3 | 4 |
| 2025 | 6 | 8 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical cell degradation monitoring method and system12 May 2026US 12,626,941 B2Robert Bosch GmbH
- Closed loop control for fuel cell water management7 Apr 2026US 12,597,621 B2Hyster-Yale Group, Inc.
- Method of monitoring and replacing fuel cell stacks within a fuel cell stack assembly24 Feb 2026US 12,562,392 B2Robert Bosch GmbH
- Fuel cell23 Dec 2025US 12,506,160 B2Honda Motor Co., Ltd.
- Method and apparatus for transmitting current and voltage signals of fuel cell based on connector23 Dec 2025US 12,506,161 B2Catarc New Energy Vehicle Test Center (Tianjin) Co., Ltd.
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279858 A1Honda Motor Co., Ltd.
- Voltage detection system23 Jul 2026US 2026/0211009 A1Toyota Jidosha Kabushiki Kaisha
- Method for determining a regeneration measure in a fuel cell stack16 Jul 2026US 2026/0204604 A1Robert Bosch GmbH
- Fuel cell performance estimation device18 Jun 2026US 2026/0171449 A1Denso Corporation
- Fuel cell16 Apr 2026US 2026/0106183 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- In-vehicle algorithm for fuel cell stack health quantification32US 8,450,020 B2GM Global Technology Operations LLC · 2013
- Fuel cell system and control method for fuel cell system19US 9,105,891 B2Toyota Jidosha Kabushiki Kaisha · 2015
- Controlling a fuel cell system based on fuel cell impedance characteristic13US 8,652,697 B2Bloom Energy Corporation · 2014
- Method for determining the substance conversion during electrochemical reactions and electrochemical unit10US 6,036,838 ADeutsches Zentrum fuer Luft- und Raumfahrt e. V. · 2000
- Methods and systems for operating a redox flow battery system8US 10,680,263 B2Ess Tech, Inc. · 2020