B60H 1/3211
For increasing the efficiency of a vehicle refrigeration cycle
Official title: {for increasing the efficiency of a vehicle refrigeration cycle}
B60H1/3211 (For increasing the efficiency of a vehicle refrigeration cycle) appears on 214 US grants and 221 published applications in this corpus.
Search patents in B60H- Granted patents
- 214
- Published applications
- 221
- Assignees
- 100
- Inventors
- 676
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 6 |
| 2002 | 10 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 4 |
| 2006 | 3 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 5 |
| 2009 | 4 | 2 |
| 2010 | 2 | 5 |
| 2011 | 2 | 3 |
| 2012 | 1 | 4 |
| 2013 | 1 | 7 |
| 2014 | 1 | 1 |
| 2015 | 4 | 9 |
| 2016 | 3 | 13 |
| 2017 | 7 | 12 |
| 2018 | 6 | 25 |
| 2019 | 17 | 18 |
| 2020 | 19 | 20 |
| 2021 | 19 | 14 |
| 2022 | 17 | 9 |
| 2023 | 8 | 13 |
| 2024 | 10 | 11 |
| 2025 | 7 | 10 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for controlling operation of a transport refrigeration unit in a vehicle8 Sep 2026US 12,728,702 B2Carrier Corporation
- Air conditioner system for electric motor vehicles1 Sep 2026US 12,722,455 B2Hyundai Motor Company
- Auxiliary power unit power compensation using global positioning system for altitude16 Jun 2026US 12,654,708 B2Thermo King Corporation
- Simultaneous vapor and liquid injection26 May 2026US 12,636,939 B2Thermo King Corporation
- Method for controlling a refrigeration system of a vehicle31 Mar 2026US 12,589,631 B2Ningbo Geely Automobile Research & Dev. Co., Ltd.
- Air conditioner for vehicle10 Sep 2026US 2026/0264474 A1Sanden Corporation
- Air conditioner3 Sep 2026US 2026/0257535 A1Sanden Corporation
- Thermal management system and a method of controlling the same11 Jun 2026US 2026/0158860 A1Hyundai Motor Company
- Refrigerant line freeze prevention in climate control systems11 Jun 2026US 2026/0158868 A1Fca US LLC
- Method of controlling a vehicle thermal management system11 Jun 2026US 2026/0163103 A1Hyundai Motor Company
Most cited
By later US patents
- Refrigeration control system112US 4,112,703 ABorg-Warner Corporation · 1978
- Temperature control system for refrigeration apparatus106US 4,132,086 ABorg-Warner Corporation · 1979
- Airconditioner having selectively operated condenser bypass control91US 5,291,941 ANippondenso Co., Ltd. · 1994
- Control system for refrigeration apparatus80US 4,102,150 ABorg-Warner Corporation · 1978
- Air conditioner70US 6,035,653 ADenso Corporation · 2000