B60H 1/3213
For increasing the efficiency in a vehicle heat pump
Official title: {for increasing the efficiency in a vehicle heat pump}
B60H1/3213 (For increasing the efficiency in a vehicle heat pump) appears on 211 US grants and 269 published applications in this corpus.
Search patents in B60H- Granted patents
- 211
- Published applications
- 269
- Assignees
- 75
- Inventors
- 527
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 8 |
| 2004 | 3 | 6 |
| 2005 | 4 | 5 |
| 2006 | 5 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 7 |
| 2013 | 0 | 8 |
| 2014 | 2 | 8 |
| 2015 | 1 | 13 |
| 2016 | 7 | 20 |
| 2017 | 11 | 11 |
| 2018 | 10 | 18 |
| 2019 | 21 | 29 |
| 2020 | 23 | 16 |
| 2021 | 16 | 28 |
| 2022 | 29 | 16 |
| 2023 | 12 | 17 |
| 2024 | 16 | 19 |
| 2025 | 19 | 13 |
| 2026 | 6 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated thermal management system and vehicle6 Oct 2026US 12,752,666 B2BYD Company Limited
- Vehicle thermal management systems30 Jun 2026US 12,668,095 B2Tesla, Inc.
- Heat pump for a vehicle30 Jun 2026US 12,668,101 B2Ford Global Technologies, LLC
- Method and system for low charge detection23 Jun 2026US 12,661,954 B2Ford Global Technologies, LLC
- Vehicle temperature management system26 May 2026US 12,636,937 B2Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Electric vehicle compressor waste heat applications8 Oct 2026US 2026/0307463 A1Tesla, Inc.
- Thermal management system27 Aug 2026US 2026/0249663 A1Sanden Corporation
- Gas injection type heat management system for vehicle20 Aug 2026US 2026/0241770 A1Hyundai Motor Company
- Vehicle heat management system6 Aug 2026US 2026/0225430 A1Hanon Systems
- Refrigeration cycle device2 Jul 2026US 2026/0185763 A1Denso Corporation
Most cited
By later US patents
- Controller for reversible air conditioning and heat pump HVAC system for electric vehicles58US 6,089,034 ADaimlerChrysler AG · 2000
- Heat pump air conditioner56US 6,314,750 B1Denso Corporation · 2001
- Variable speed control47US 7,739,882 B2Dometic Corporation · 2010
- Heat pump type refrigerant cycle system45US 6,237,351 B1Denso Corporation · 2001
- Optimal source electric vehicle heat pump with extreme temperature heating capability and efficient thermal preconditioning40US 10,967,702 B2Tesla, Inc. · 2021