B60H 1/00921
Where the flow direction of the refrigerant does not change and there
Official title: {where the flow direction of the refrigerant does not change and there is an extra subcondenser, e.g. in an air duct}
B60H1/00921 (Where the flow direction of the refrigerant does not change and there) appears on 572 US grants and 818 published applications in this corpus.
Search patents in B60H- Granted patents
- 572
- Published applications
- 818
- Assignees
- 133
- Inventors
- 1,085
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 5 |
| 2005 | 2 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 0 | 7 |
| 2012 | 0 | 11 |
| 2013 | 2 | 21 |
| 2014 | 1 | 23 |
| 2015 | 12 | 44 |
| 2016 | 18 | 53 |
| 2017 | 35 | 47 |
| 2018 | 48 | 43 |
| 2019 | 48 | 61 |
| 2020 | 43 | 38 |
| 2021 | 47 | 63 |
| 2022 | 50 | 63 |
| 2023 | 44 | 71 |
| 2024 | 56 | 83 |
| 2025 | 80 | 90 |
| 2026 | 48 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Heat pump system for a vehicle25 Aug 2026US 12,715,266 B2Hyundai Motor Company
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- Heat pump system for a vehicle28 Jul 2026US 12,691,729 B2Hyundai Motor Company
- Air conditioning system for mobility8 Oct 2026US 2026/0307458 A1Hyundai Motor Company
- Dehumidification control strategy24 Sep 2026US 2026/0285132 A1Ford Global Technologies, LLC
- Vehicular heat pump system10 Sep 2026US 2026/0264475 A1Hyundai Wia Corporation
- Thermal Energy System for Controlling Temperatures of a Vehicle and Vehicle Comprising a System of this Type3 Sep 2026US 2026/0257532 A1ZF Friedrichshafen AG
- Thermal management system27 Aug 2026US 2026/0249663 A1Sanden Corporation
Most cited
By later US patents
- Automotive air conditioner having condenser and evaporator provided within air duct69US 5,299,431 ANippondenso Co., Ltd. · 1994
- Air-conditioning apparatus for vehicle use65US 5,641,016 ANippondenso Co., Ltd. · 1997
- Air conditioner for vehicles61US 5,598,887 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Heat pump type air conditioning system for automotive vehicle56US 5,899,086 ACalsonic Corporation · 1999
- Heat pump air conditioner56US 6,314,750 B1Denso Corporation · 2001