H01M 8/04582
Of the individual fuel cell
Official title: {of the individual fuel cell}
H01M8/04582 (Of the individual fuel cell) appears on 167 US grants and 224 published applications in this corpus.
Search patents in H01M- Granted patents
- 167
- Published applications
- 224
- Assignees
- 104
- Inventors
- 558
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 4 |
| 2004 | 4 | 7 |
| 2005 | 2 | 8 |
| 2006 | 3 | 9 |
| 2007 | 3 | 8 |
| 2008 | 4 | 6 |
| 2009 | 1 | 11 |
| 2010 | 3 | 12 |
| 2011 | 5 | 12 |
| 2012 | 9 | 9 |
| 2013 | 13 | 5 |
| 2014 | 7 | 9 |
| 2015 | 8 | 10 |
| 2016 | 6 | 6 |
| 2017 | 3 | 9 |
| 2018 | 7 | 14 |
| 2019 | 16 | 8 |
| 2020 | 10 | 11 |
| 2021 | 12 | 12 |
| 2022 | 8 | 14 |
| 2023 | 9 | 11 |
| 2024 | 7 | 9 |
| 2025 | 7 | 6 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell array and fuel cell inspection method2 Jun 2026US 12,646,734 B2Hitachi High-Tech Corporation
- Purge systems and methods in a fuel cell system28 Apr 2026US 12,614,742 B2Cummins Inc.
- Closed loop control for fuel cell water management7 Apr 2026US 12,597,621 B2Hyster-Yale Group, Inc.
- Fuel cell system17 Mar 2026US 12,580,211 B2Honda Motor Co., Ltd.
- Method of monitoring and replacing fuel cell stacks within a fuel cell stack assembly24 Feb 2026US 12,562,392 B2Robert Bosch GmbH
- Solid polymer fuel battery activation method1 Oct 2026US 2026/0302286 A1Honda Motor Co., Ltd.
- Fuel cell activation device1 Oct 2026US 2026/0302287 A1Honda Motor Co., Ltd.
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279858 A1Honda Motor Co., Ltd.
- Method and use for conditioning fuel cells20 Aug 2026US 2026/0245930 A1Simon Fraser University
- Malfunction detection and deterioration estimation device16 Jul 2026US 2026/0204605 A1Denso Corporation
Most cited
By later US patents
- Direct methanol feed fuel cell and system113US 5,773,162 ACalifornia Institute of Technology · 1998
- Fuel cell and method for controlling same103US 6,096,449 AAvista Labs · 2000
- Fuel cell and power chip technology97US 6,312,846 B1Integrated Fuel Cell Technologies, Inc. · 2001
- Direct methanol feed fuel cell and system57US 6,265,093 B1California Institute of Technology · 2001
- Direct methanol feed fuel cell and system51US 6,303,244 B1California Institute of Technology · 2001