F25B 31/00
Compressor arrangements
F25B31/00 (Compressor arrangements) appears on 2,159 US grants and 2,401 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,159
- Published applications
- 2,401
- Assignees
- 554
- Inventors
- 4,507
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 17 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 13 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 16 | 0 |
| 1985 | 24 | 0 |
| 1986 | 17 | 0 |
| 1987 | 15 | 0 |
| 1988 | 14 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 15 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 22 | 0 |
| 1996 | 17 | 0 |
| 1997 | 25 | 0 |
| 1998 | 16 | 0 |
| 1999 | 34 | 0 |
| 2000 | 36 | 0 |
| 2001 | 47 | 6 |
| 2002 | 36 | 32 |
| 2003 | 38 | 31 |
| 2004 | 26 | 31 |
| 2005 | 19 | 49 |
| 2006 | 28 | 28 |
| 2007 | 21 | 25 |
| 2008 | 9 | 36 |
| 2009 | 10 | 40 |
| 2010 | 24 | 58 |
| 2011 | 19 | 38 |
| 2012 | 22 | 45 |
| 2013 | 34 | 59 |
| 2014 | 33 | 59 |
| 2015 | 40 | 124 |
| 2016 | 52 | 143 |
| 2017 | 93 | 171 |
| 2018 | 131 | 159 |
| 2019 | 158 | 153 |
| 2020 | 148 | 189 |
| 2021 | 124 | 174 |
| 2022 | 144 | 176 |
| 2023 | 127 | 157 |
| 2024 | 145 | 135 |
| 2025 | 133 | 170 |
| 2026 | 92 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single-phase field-oriented control for a linear compressor6 Oct 2026US 12,753,752 B1Haier US Appliance Solutions, Inc.
- Rotary compressor and refrigeration cycle device having the same6 Oct 2026US 12,753,760 B2LG Electronics Inc.
- Autocascade system with superheat control6 Oct 2026US 12,753,960 B2Trane International Inc.
- Arrangement for guiding electrical connections through an opening of a housing and compressor for a refrigerant with an arrangement for guiding electrical connections through an opening of a housing6 Oct 2026US 12,756,258 B2Hanon Systems
- Vertical type compressor and laundry treating apparatus having the same22 Sep 2026US 12,742,456 B2LG Electronics Inc.
- Lubricant pump system for hvac&r system8 Oct 2026US 2026/0309136 A1Tyco Fire & Security GmbH
- Pump body assembly, compressor and air conditioner8 Oct 2026US 2026/0309153 A1Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
- Abnormal physical condition determination system, abnormal physical condition determination method, and computer program8 Oct 2026US 2026/0311499 A1NEC Corporation
- Scroll machine and refrigeration system1 Oct 2026US 2026/0298231 A1Bitzer Kuhlmaschinenbau GmbH
Most cited
By later US patents
- Apparatus for cooling the power electronics of a refrigeration compressor drive189US 6,116,040 ACarrier Corporation · 2000
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002
- Compressor with liquid injection131US 5,076,067 ACopeland Corporation · 1991
- Oil level control system129US 6,125,642 ASporlan Valve Company · 2000
- Refrigerant compressor apparatus111US 6,401,472 B2BITZER Kuehlmaschinenbau GmbH · 2002