B60H 1/3216
For improving a change in operation duty of a compressor in a
Official title: {for improving a change in operation duty of a compressor in a vehicle}
B60H1/3216 (For improving a change in operation duty of a compressor in a) appears on 130 US grants and 119 published applications in this corpus.
Search patents in B60H- Granted patents
- 130
- Published applications
- 119
- Assignees
- 74
- Inventors
- 381
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 5 |
| 2002 | 7 | 5 |
| 2003 | 5 | 3 |
| 2004 | 5 | 6 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 3 | 6 |
| 2011 | 2 | 4 |
| 2012 | 1 | 1 |
| 2013 | 3 | 4 |
| 2014 | 2 | 1 |
| 2015 | 3 | 4 |
| 2016 | 0 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 10 |
| 2019 | 5 | 16 |
| 2020 | 10 | 5 |
| 2021 | 11 | 6 |
| 2022 | 4 | 6 |
| 2023 | 2 | 5 |
| 2024 | 8 | 3 |
| 2025 | 6 | 2 |
| 2026 | 1 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal management control systems and methods17 Mar 2026US 12,576,692 B2Transportation IP Holdings, LLC
- Heat pump system for vehicle and method for controlling same30 Dec 2025US 12,508,877 B2Hanon Systems
- Vehicular air conditioning system16 Sep 2025US 12,415,404 B2Hanon Systems
- Compressor control method27 May 2025US 12,311,738 B2Hanon Systems
- Heat pump system for vehicle4 Mar 2025US 12,240,290 B2Estra Automotive Systems Co., Ltd.
- Method for switching vehicle cooling mode, apparatus, device, and readable storage medium20 Aug 2026US 2026/0241772 A1Zhejiang Geely Holding Group Co., Ltd.
- Transportation refrigeration unit configured to conserve energy utilizedfor compressor cycles after a defrost event18 Jun 2026US 2026/0168715 A1Carrier Corporation
- Heat management system for vehicle and method for controlling the same7 May 2026US 2026/0124882 A1Hyundai Motor Company
- In-vehicle air conditioning device16 Apr 2026US 2026/0103048 A1Toyota Jidosha Kabushiki Kaisha
- System for Controlling Dual Compressors in an Automotive HVAC System16 Apr 2026US 2026/0104174 A1Daimler Truck AG
Most cited
By later US patents
- Dual mode control of a variable displacement refrigerant compressor68US 6,038,871 AGeneral Motors Corporation · 2000
- Displacement control apparatus for variable displacement compressor, displacement control method and compressor module67US 6,484,520 B2Kabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2002
- Vehicle air conditioning system60US 6,330,909 B1Denso Corporation · 2001
- Motor vehicle air-conditioning apparatus with engine speed control39US 5,924,296 ADenso Corporation · 1999
- Control apparatus and method for actuating an electrically driven compressor used in an air conditioning system of an automotive vehicle38US 5,651,260 AMatsushita Electric Industrial Co., Ltd. · 1997