B60H 1/00321
Heat exchangers for air-conditioning devices
Official title: {Heat exchangers for air-conditioning devices (B60H1/3227 takes precedence)}
B60H1/00321 (Heat exchangers for air-conditioning devices) appears on 580 US grants and 798 published applications in this corpus.
Search patents in B60H- Granted patents
- 580
- Published applications
- 798
- Assignees
- 254
- Inventors
- 1,633
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 10 |
| 2003 | 6 | 7 |
| 2004 | 5 | 8 |
| 2005 | 12 | 9 |
| 2006 | 1 | 12 |
| 2007 | 6 | 12 |
| 2008 | 5 | 7 |
| 2009 | 3 | 9 |
| 2010 | 2 | 10 |
| 2011 | 6 | 21 |
| 2012 | 2 | 21 |
| 2013 | 7 | 14 |
| 2014 | 5 | 31 |
| 2015 | 5 | 28 |
| 2016 | 17 | 43 |
| 2017 | 30 | 44 |
| 2018 | 41 | 43 |
| 2019 | 36 | 81 |
| 2020 | 43 | 77 |
| 2021 | 57 | 58 |
| 2022 | 51 | 44 |
| 2023 | 44 | 54 |
| 2024 | 49 | 63 |
| 2025 | 45 | 47 |
| 2026 | 34 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermal management system for a hybrid or electric vehicle6 Oct 2026US 12,752,588 B2Valeo Systemes Thermiques
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Heat exchanger for a motor vehicle22 Sep 2026US 12,741,502 B2Valeo Systemes Thermiques
- Refrigerant module of integrated thermal management system for vehicle22 Sep 2026US 12,741,503 B2Hyundai Motor Company
- Hydronic occupant zone heating and cooling8 Sep 2026US 12,728,692 B2PACCAR Inc
- Heat pump air-conditioning system and vehicle8 Oct 2026US 2026/0307459 A1Beijing CHJ Information Technology Co., LTD.
- Thermal module for a motor vehicle8 Oct 2026US 2026/0307472 A1Valeo Electrification
- Enhanced thermal management in high-power electronics using phase change materials8 Oct 2026US 2026/0313780 A1Connaught Electronics Ltd.
- Refrigeration cycle device1 Oct 2026US 2026/0296141 A1Denso Corporation
- Recreational vehicle heat exchanger end caps and assembly1 Oct 2026US 2026/0296586 A1Arctic Cat Inc.
Most cited
By later US patents
- Refrigeration-cycle device123US 6,347,528 B1Denso Corporation · 2002
- Heating heat exchanger with electric heat emitter90US 5,995,711 ADenso Corporation · 1999
- Integral heater-evaporator core68US 5,180,004 AGeneral Motors Corporation · 1993
- Laminated evaporator59US 4,274,482 ANihon Radiator Co., Ltd. · 1981
- Secondary loop system for passenger compartment heating and cooling57US 6,405,793 B1Delphi Technologies, Inc. · 2002