H01M 8/04358
Of the coolant
Official title: {of the coolant}
H01M8/04358 (Of the coolant) appears on 400 US grants and 558 published applications in this corpus.
Search patents in H01M- Granted patents
- 400
- Published applications
- 558
- Assignees
- 134
- Inventors
- 939
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 5 |
| 2003 | 1 | 11 |
| 2004 | 4 | 9 |
| 2005 | 4 | 16 |
| 2006 | 7 | 19 |
| 2007 | 10 | 25 |
| 2008 | 6 | 18 |
| 2009 | 12 | 25 |
| 2010 | 10 | 25 |
| 2011 | 19 | 20 |
| 2012 | 30 | 15 |
| 2013 | 21 | 10 |
| 2014 | 16 | 17 |
| 2015 | 13 | 17 |
| 2016 | 14 | 27 |
| 2017 | 18 | 24 |
| 2018 | 12 | 22 |
| 2019 | 30 | 23 |
| 2020 | 22 | 20 |
| 2021 | 24 | 29 |
| 2022 | 34 | 37 |
| 2023 | 36 | 33 |
| 2024 | 17 | 34 |
| 2025 | 23 | 48 |
| 2026 | 11 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling fuel cell of fuel cell vehicle22 Sep 2026US 12,741,566 B2Hyundai Motor Company
- Method of controlling a cooling fan for a fuel cell stack8 Sep 2026US 12,731,802 B2Hyundai Motor Company
- Additional cooling pack with fans to handle and peak shave fuel cell transients and high ambient temperatures2 Jun 2026US 12,646,727 B2Caterpillar Inc.
- Fuel cell system and method of controlling same2 Jun 2026US 12,646,730 B2Hyundai Motor Company
- Connection block21 Apr 2026US 12,609,334 B2Robert Bosch GmbH
- Fuel cell activation device1 Oct 2026US 2026/0302287 A1Honda Motor Co., Ltd.
- Fuel cell system1 Oct 2026US 2026/0302293 A1Aisan Kogyo Kabushiki Kaisha
- Drying method for drying a fuel cell stack13 Aug 2026US 2026/0237698 A1Robert Bosch GmbH
- Fuel cell vehicle and a method of cooling the same6 Aug 2026US 2026/0229558 A1Hyundai Motor Company
- Method for model-based operation of a coolant system, control unit and fuel cell system6 Aug 2026US 2026/0229564 A1Robert Bosch GmbH
Most cited
By later US patents
- Fuel cell generator and method of the same123US 5,677,073 AToyota Jidosha Kabushiki Kaisha · 1997
- Temperature regulating system for a fuel cell powered vehicle97US 6,186,254 B1Xcelliss Fuel Cell Engines Inc. · 2001
- Electrochemical load management system for transportation applications86US 5,346,778 AEnergy Partners, Inc. · 1994
- Fuel cell power generating apparatus and method for controlling the apparatus49US 4,988,283 AFuji Electric Co., Ltd. · 1991
- Method and apparatus for operating a fuel cell system49US 6,093,500 AInternational Fuel Cells Corporation · 2000