H01M 8/04768
Of the coolant
Official title: {of the coolant}
H01M8/04768 (Of the coolant) appears on 389 US grants and 604 published applications in this corpus.
Search patents in H01M- Granted patents
- 389
- Published applications
- 604
- Assignees
- 163
- Inventors
- 1,100
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 9 |
| 2003 | 2 | 15 |
| 2004 | 8 | 20 |
| 2005 | 3 | 22 |
| 2006 | 5 | 19 |
| 2007 | 15 | 23 |
| 2008 | 13 | 23 |
| 2009 | 14 | 24 |
| 2010 | 5 | 23 |
| 2011 | 10 | 18 |
| 2012 | 17 | 17 |
| 2013 | 23 | 12 |
| 2014 | 16 | 15 |
| 2015 | 12 | 21 |
| 2016 | 21 | 21 |
| 2017 | 12 | 27 |
| 2018 | 12 | 14 |
| 2019 | 28 | 21 |
| 2020 | 17 | 17 |
| 2021 | 25 | 26 |
| 2022 | 25 | 39 |
| 2023 | 44 | 51 |
| 2024 | 17 | 37 |
| 2025 | 19 | 60 |
| 2026 | 14 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of controlling a cooling fan for a fuel cell stack8 Sep 2026US 12,731,802 B2Hyundai Motor Company
- Advanced power electronic circuit for fuel cell vehicles enabling independent cooling of various systems14 Jul 2026US 12,679,248 B2Ford Global Technologies, LLC
- Cooling system for aircraft23 Jun 2026US 12,662,021 B2Airbus Operations GmbH
- Bipolar plate with media regulation and fuel cell stack2 Jun 2026US 12,646,725 B2Audi AG
- Fuel cell system and method of controlling same2 Jun 2026US 12,646,730 B2Hyundai Motor Company
- Advanced power electronic circuit for fuel cell vehicles enabling independent cooling of various systems8 Oct 2026US 2026/0307542 A1Ford Global Technologies, LLC
- Fuel cell system1 Oct 2026US 2026/0302277 A1Honda Motor Co., Ltd.
- Controlled dynamic airflow control in a fuel cell system24 Sep 2026US 2026/0290857 A1Intelligent Energy Limited
- Combination of fuel cell and all solid state battery stack for a vehicle17 Sep 2026US 2026/0274091 A1Schaeffler Technologies AG & Co. KG
- Control system for fuel cell watercraft6 Aug 2026US 2026/0225496 A1Suzuki Motor Corporation
Most cited
By later US patents
- Method and apparatus for monitoring fuel cell performance359US 5,170,124 AMinister of National Defence of Her Majesty's Canadian Government · 1992
- Fuel cell generator and method of the same123US 5,677,073 AToyota Jidosha Kabushiki Kaisha · 1997
- Fuel cell power systems and methods of controlling a fuel cell power system79US 6,387,556 B1Avista Laboratories, Inc. · 2002
- Fuel cell power generating apparatus and method for controlling the apparatus49US 4,988,283 AFuji Electric Co., Ltd. · 1991
- Fuel cell system with load management49US 6,835,481 B2IdaTech, LLC · 2004