H01M 8/04485
Of the coolant
Official title: {of the coolant}
H01M8/04485 (Of the coolant) appears on 22 US grants and 30 published applications in this corpus.
Search patents in H01M- Granted patents
- 22
- Published applications
- 30
- Assignees
- 14
- Inventors
- 54
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 5 | 1 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Fuel cell system14 Apr 2026US 12,603,310 B2Toyota Jidosha Kabushiki Kaisha
- Fuel cell cooling10 Jun 2025US 12,327,892 B2
- Fuel cell system25 Apr 2023US 11,637,303 B2Honda Motor Co., Ltd.
- Fuel cell hydrogen detection27 Dec 2022US 11,539,058 B1Hamilton Sundstrand Corporation
- Fuel cell system, method of controlling fuel cell system, and fuel cell system-mounted vehicle5 Jul 2022US 11,380,913 B2Toyota Jidosha Kabushiki Kaisha
- Coolant drain system of ion filter16 Apr 2026US 2026/0106187 A1Hyundai Motor Company
- Cross-flow three-way ammonia-to-air heat exchanger for air conditioning applications on an aircraft18 Dec 2025US 2025/0385282 A1Hamilton Sundstrand Corporation
- Fuel Cell Cooling5 Oct 2023US 2023/0317981 A1Intelligent Energy Limited
- Fuel cell system7 Sep 2023US 2023/0282850 A1Toyota Jidosha Kabushiki Kaisha
- Fuel cell hydrogen detection12 Jan 2023US 2023/0010497 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Cooling device for fuel cell system and control method thereof17US 6,709,779 B2Nissan Motor Co., Ltd. · 2004
- Fuel cell system4US 7,442,454 B2Nissan Motor Co., Ltd. · 2008
- Method and apparatus for monitoring fuel cells4US 7,564,248 B2GM Global Technology Operations LLC · 2009
- Fuel cell system and microorganism inhibiting method2US 6,841,281 B2Nissan Motor Co., Ltd. · 2005
- Active isolation system for fuel cell2US 7,906,242 B2GM Global Technology Operations LLC · 2011