H01M 8/04029
Heat exchange using liquids
H01M8/04029 (Heat exchange using liquids) appears on 1,494 US grants and 1,999 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,494
- Published applications
- 1,999
- Assignees
- 478
- Inventors
- 3,441
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 24 | 0 |
| 2001 | 37 | 13 |
| 2002 | 32 | 58 |
| 2003 | 36 | 70 |
| 2004 | 46 | 99 |
| 2005 | 45 | 106 |
| 2006 | 46 | 83 |
| 2007 | 57 | 77 |
| 2008 | 46 | 77 |
| 2009 | 42 | 85 |
| 2010 | 55 | 71 |
| 2011 | 53 | 50 |
| 2012 | 59 | 44 |
| 2013 | 45 | 39 |
| 2014 | 43 | 40 |
| 2015 | 19 | 54 |
| 2016 | 27 | 46 |
| 2017 | 39 | 66 |
| 2018 | 42 | 60 |
| 2019 | 63 | 60 |
| 2020 | 60 | 62 |
| 2021 | 57 | 81 |
| 2022 | 90 | 108 |
| 2023 | 94 | 158 |
| 2024 | 83 | 140 |
| 2025 | 86 | 144 |
| 2026 | 65 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Apparatus for controlling temperature and pressure of aircraft29 Sep 2026US 12,747,023 B2Hyundai Motor Company
- Compositions and systems for elastic turbulence29 Sep 2026US 12,747,382 B2Schlumberger Technology Corporation
- Heat exchanger assembly22 Sep 2026US 12,744,226 B2Hyundai Motor Company
- Ion exchanger filter device and ion exchanger cartridge8 Sep 2026US 12,728,411 B2Mann+Hummel GmbH
- Advanced power electronic circuit for fuel cell vehicles enabling independent cooling of various systems8 Oct 2026US 2026/0307542 A1Ford Global Technologies, LLC
- Propylene Carbonate Based Heat Transfer Fluid8 Oct 2026US 2026/0308436 A1CCI North America Corporation
- Fuel cell system with improved humidifier8 Oct 2026US 2026/0312088 A1Plastic Omnium New Energies France
- Method for operating a fuel cell system, and control device8 Oct 2026US 2026/0312093 A1Robert Bosch GmbH
- System and method for providing supplemental power and cooling to one or more components of an electrical load8 Oct 2026US 2026/0313851 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Fuel cell gas management system240US 6,013,385 AEmprise Corporation · 2000
- Electrochemical fuel cell system with a regulated vacuum ejector for recirculation of the fluid fuel stream173US 5,441,821 ABallard Power Systems Inc. · 1995
- Hydrocarbon fueled solid polymer fuel cell electric power generation system168US 5,360,679 ABallard Power Systems Inc. · 1994
- Fuel-cell engine stream conditioning system141US 6,436,562 B1Emprise Technology Associates Corp. · 2002
- Integrated fuel cell power generation system137US 5,200,278 ABallard Power Systems Inc. · 1993