B60H 2001/3275
To control the volume of a compressor
Official title: {to control the volume of a compressor}
B60H2001/3275 (To control the volume of a compressor) appears on 121 US grants and 108 published applications in this corpus.
Search patents in B60H- Granted patents
- 121
- Published applications
- 108
- Assignees
- 48
- Inventors
- 285
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 4 |
| 2002 | 8 | 4 |
| 2003 | 5 | 7 |
| 2004 | 12 | 16 |
| 2005 | 6 | 4 |
| 2006 | 2 | 10 |
| 2007 | 4 | 9 |
| 2008 | 2 | 5 |
| 2009 | 4 | 5 |
| 2010 | 5 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 6 |
| 2013 | 4 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 4 | 2 |
| 2018 | 2 | 7 |
| 2019 | 4 | 3 |
| 2020 | 3 | 4 |
| 2021 | 5 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 4 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transport refrigeration system and method of operating19 Aug 2025US 12,391,097 B2Carrier Corporation
- Peak demand response operation of HVAC systems21 Jan 2025US 12,202,316 B2Lennox Industries Inc.
- Flow rate control valve19 Nov 2024US 12,146,574 B2Eagle Industry Co., Ltd.
- Capacity control valve29 Oct 2024US 12,129,840 B2Eagle Industry Co., Ltd.
- System and method for estimating quality of refrigerant at inlet of compressor in thermal system of electric vehicle15 Oct 2024US 12,115,837 B2GM Global Technology Operations LLC
- Control method of heat pump system for vehicle26 Mar 2026US 2026/0084487 A1Hyundai Motor Company
- Peak demand response operation of hvac systems30 Nov 2023US 2023/0382184 A1Lennox Industries Inc.
- Valve31 Aug 2023US 2023/0272859 A1Eagle Industry Co., Ltd.
- System and method for estimating quality of refrigerant at inlet of compressor in thermal system of electric vehicle6 Apr 2023US 2023/0107888 A1GM Global Technology Operations LLC
- Capacity control valve1 Dec 2022US 2022/0381364 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Temperature control system for refrigeration apparatus106US 4,132,086 ABorg-Warner Corporation · 1979
- Air-conditioning device for hybrid vehicle96US 6,073,456 ADenso Corporation · 2000
- Control system for refrigeration apparatus80US 4,102,150 ABorg-Warner Corporation · 1978
- Displacement control apparatus for variable displacement compressor, displacement control method and compressor module67US 6,484,520 B2Kabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2002
- Heat pump air conditioner56US 6,314,750 B1Denso Corporation · 2001