B60H 1/3225
Characterised by safety arrangements
Official title: {characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices}
B60H1/3225 (Characterised by safety arrangements) appears on 207 US grants and 139 published applications in this corpus.
Search patents in B60H- Granted patents
- 207
- Published applications
- 139
- Assignees
- 82
- Inventors
- 489
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 16 | 2 |
| 2002 | 7 | 4 |
| 2003 | 4 | 10 |
| 2004 | 13 | 13 |
| 2005 | 7 | 7 |
| 2006 | 6 | 2 |
| 2007 | 3 | 4 |
| 2008 | 3 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 5 | 3 |
| 2017 | 3 | 8 |
| 2018 | 1 | 1 |
| 2019 | 5 | 6 |
| 2020 | 6 | 15 |
| 2021 | 6 | 12 |
| 2022 | 13 | 10 |
| 2023 | 8 | 7 |
| 2024 | 7 | 7 |
| 2025 | 8 | 6 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for controlling vehicle air- conditioning system and a compressor to which the method is applied14 Jul 2026US 12,679,170 B2Hanon Systems
- Method and system for low charge detection23 Jun 2026US 12,661,954 B2Ford Global Technologies, LLC
- Heat pump apparatus9 Jun 2026US 12,650,251 B2Daikin Industries, Ltd.
- Vehicle air-conditioning apparatus31 Mar 2026US 12,589,630 B2Mitsubishi Electric Corporation
- System and method to detect symptoms of impending climate control failures of transport climate control systems16 Dec 2025US 12,499,377 B2Thermo King Corporation
- Coolant pump and valve prognostic strategy25 Jun 2026US 2026/0175645 A1Ford Global Technologies, LLC
- Refrigerant leakage response device and method18 Jun 2026US 2026/0166962 A1Hyundai Motor Company
- Method of Operating a Cooling Unit and Cooling Unit21 May 2026US 2026/0138420 A1Mahle International GmbH
- System and method to detect symptoms of impending climate control failures of transport climate control systems30 Apr 2026US 2026/0119923 A1Thermo King Corporation
- In-vehicle air conditioning device16 Apr 2026US 2026/0103048 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Methods and apparatus for monitoring the operation of a transport refrigeration system128US 5,181,389 AThermo King Corporation · 1993
- Temperature control apparatus and method of determining malfunction106US 6,708,507 B1Thermo King Corporation · 2004
- Method of operating a transport refrigeration unit103US 5,123,252 AThermo King Corporation · 1992
- Method and apparatus for monitoring and controlling the operation of a refrigeration unit101US 5,303,560 AThermo King Corporation · 1994
- Air conditioning system for automotive vehicles99US 4,677,830 ADiesel Kiki Co., Ltd. · 1987