H01M 8/04253
Means for solving freezing problems
Official title: {Means for solving freezing problems}
H01M8/04253 (Means for solving freezing problems) appears on 415 US grants and 605 published applications in this corpus.
Search patents in H01M- Granted patents
- 415
- Published applications
- 605
- Assignees
- 134
- Inventors
- 1,007
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 8 |
| 2003 | 4 | 11 |
| 2004 | 5 | 20 |
| 2005 | 7 | 28 |
| 2006 | 10 | 23 |
| 2007 | 12 | 31 |
| 2008 | 9 | 33 |
| 2009 | 11 | 30 |
| 2010 | 16 | 37 |
| 2011 | 18 | 35 |
| 2012 | 28 | 18 |
| 2013 | 22 | 17 |
| 2014 | 30 | 24 |
| 2015 | 18 | 18 |
| 2016 | 25 | 23 |
| 2017 | 16 | 20 |
| 2018 | 15 | 21 |
| 2019 | 25 | 25 |
| 2020 | 27 | 35 |
| 2021 | 18 | 34 |
| 2022 | 36 | 14 |
| 2023 | 30 | 23 |
| 2024 | 4 | 26 |
| 2025 | 13 | 19 |
| 2026 | 6 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling a drying process of a fuel cell system6 Oct 2026US 12,755,992 B2Robert Bosch GmbH
- Connected fuel cell vehicle predictive freeze wake scheduling18 Aug 2026US 12,712,189 B2Ford Global Technologies, LLC
- Gas management apparatus, and method for conditioning anode gas of a fuel cell11 Aug 2026US 12,704,222 B2Hengst GmbH & Co. KG
- System for protecting a fuel cell from cold temperatures21 Jul 2026US 12,689,046 B2Ford Global Technologies, LLC
- Heat management system for a fuel cell vehicle5 May 2026US 12,617,314 B2Volvo Construction Equipment AB
- Device for filtering ambient air8 Oct 2026US 2026/0312089 A1Cellcentric GmbH & Co. KG
- Method for operating a fuel cell system, and control device8 Oct 2026US 2026/0312093 A1Robert Bosch GmbH
- Gas-liquid separation device and fuel cell system1 Oct 2026US 2026/0302281 A1Honda Motor Co., Ltd.
- Fuel cell system1 Oct 2026US 2026/0302293 A1Aisan Kogyo Kabushiki Kaisha
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279862 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Temperature regulating system for a fuel cell powered vehicle97US 6,186,254 B1Xcelliss Fuel Cell Engines Inc. · 2001
- Direct antifreeze cooled fuel cell power plant51US 6,432,566 B1UTC Fuel Cells, LLC · 2002
- Regenerative electrochemical cell system and method for use thereof51US 6,887,601 B2Proton Energy Systems, Inc. · 2005
- Method for improving the cold starting capability of an electrochemical fuel cell47US 6,479,177 B1Ballard Power Systems Inc. · 2002
- Fine pore enthalpy exchange barrier30US 6,274,259 B1International Fuel Cells Corporation · 2001