F25B 5/00
Compression machines, plants or systems, with several evaporator circuits
Official title: Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity (with cascade operation F25B7/00)
F25B5/00 (Compression machines, plants or systems, with several evaporator circuits) appears on 2,024 US grants and 2,163 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,024
- Published applications
- 2,163
- Assignees
- 599
- Inventors
- 3,848
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 8 | 0 |
| 1984 | 13 | 0 |
| 1985 | 16 | 0 |
| 1986 | 11 | 0 |
| 1987 | 24 | 0 |
| 1988 | 18 | 0 |
| 1989 | 17 | 0 |
| 1990 | 27 | 0 |
| 1991 | 17 | 0 |
| 1992 | 26 | 0 |
| 1993 | 19 | 0 |
| 1994 | 12 | 0 |
| 1995 | 23 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 26 | 0 |
| 1999 | 18 | 0 |
| 2000 | 29 | 0 |
| 2001 | 44 | 7 |
| 2002 | 40 | 36 |
| 2003 | 44 | 38 |
| 2004 | 41 | 66 |
| 2005 | 28 | 54 |
| 2006 | 32 | 57 |
| 2007 | 32 | 65 |
| 2008 | 27 | 43 |
| 2009 | 23 | 31 |
| 2010 | 25 | 48 |
| 2011 | 21 | 42 |
| 2012 | 23 | 34 |
| 2013 | 22 | 64 |
| 2014 | 22 | 49 |
| 2015 | 37 | 92 |
| 2016 | 48 | 90 |
| 2017 | 72 | 128 |
| 2018 | 91 | 130 |
| 2019 | 128 | 158 |
| 2020 | 134 | 147 |
| 2021 | 112 | 146 |
| 2022 | 134 | 184 |
| 2023 | 123 | 136 |
| 2024 | 142 | 144 |
| 2025 | 127 | 88 |
| 2026 | 58 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Refrigeration system for a refrigerator and a refrigerator thereof29 Sep 2026US 12,747,901 B2Ningbo Bai-Jia Electric Appliance Co., Ltd.
- Thermal conditioning circuit22 Sep 2026US 12,741,506 B2Valeo Systemes Thermiques
- Storehouse8 Sep 2026US 12,729,885 B2LG Electronics Inc.
- Heat pump system8 Sep 2026US 12,729,890 B2Samsung Electronics Co., Ltd.
- Heat exchange unit and energy storage device1 Oct 2026US 2026/0298504 A1Contemporary Amperex Technology Co., Limited
- Air conditioner24 Sep 2026US 2026/0287215 A1Fujitsu General Limited
- Refrigeration system and method3 Sep 2026US 2026/0258982 A1Mbgsholdings Pty Ltd
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251359 A1Tyco Fire & Security GmbH
- System and method for maintaining a pressure of a flash tank by discharging a phase change material (PCM) tank27 Aug 2026US 2026/0251367 A1Lennox Industries Inc.
Most cited
By later US patents
- Model-based alarming208US 6,990,821 B2Emerson Retail Services, Inc. · 2006
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Economizer control with variable capacity193US 5,095,712 ACarrier Corporation · 1992
- Apparatus for cooling the power electronics of a refrigeration compressor drive189US 6,116,040 ACarrier Corporation · 2000
- Fan motor on/off control system for a refrigeration appliance176US 5,918,474 AWhirlpool Corporation · 1999