F25B 2700/21
Temperatures
F25B2700/21 (Temperatures) appears on 3,264 US grants and 4,048 published applications in this corpus.
Search patents in F25B- Granted patents
- 3,264
- Published applications
- 4,048
- Assignees
- 914
- Inventors
- 6,126
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 17 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 23 | 0 |
| 2001 | 26 | 18 |
| 2002 | 56 | 53 |
| 2003 | 68 | 61 |
| 2004 | 73 | 114 |
| 2005 | 73 | 140 |
| 2006 | 68 | 114 |
| 2007 | 64 | 104 |
| 2008 | 52 | 102 |
| 2009 | 44 | 85 |
| 2010 | 59 | 119 |
| 2011 | 60 | 107 |
| 2012 | 58 | 89 |
| 2013 | 57 | 93 |
| 2014 | 51 | 136 |
| 2015 | 77 | 207 |
| 2016 | 102 | 174 |
| 2017 | 180 | 234 |
| 2018 | 208 | 242 |
| 2019 | 241 | 239 |
| 2020 | 238 | 235 |
| 2021 | 209 | 276 |
| 2022 | 210 | 260 |
| 2023 | 212 | 264 |
| 2024 | 236 | 239 |
| 2025 | 202 | 193 |
| 2026 | 100 | 150 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2700/2117Of an evaporatorIndexing code1,314
- F25B 2700/2115Of a compressor or the drive means thereforIndexing code1,208
- F25B 2700/2106Of fresh outdoor airIndexing code854
- F25B 2700/2116Of a condenserIndexing code781
- F25B 2700/2104Of an indoor room or compartmentIndexing code627
- F25B 2700/2103Near a heat exchangerIndexing code138
- F25B 2700/2102At the outlet of the gas coolerIndexing code47
- F25B 2700/2118At an intermediate pressure positionIndexing code43
All 15 subgroupsShow fewer
- F25B 2700/2101In a bypassIndexing code38
- F25B 2700/2111Of a heat storage receiverIndexing code37
- F25B 2700/2105Oil temperaturesIndexing code33
- F25B 2700/2107Of a peltier elementIndexing code32
- F25B 2700/2108Of a receiverIndexing code32
- F25B 2700/2113Of a suction accumulatorIndexing code19
- F25B 2700/2109Of a separatorIndexing code15
Recent patents
- System and method for detection and correction of reverse flow in an ejector refrigeration circuit6 Oct 2026US 12,753,952 B2Carrier Corporation
- Autocascade system with superheat control6 Oct 2026US 12,753,960 B2Trane International Inc.
- Cold water tank assembly and manufacturing method thereof29 Sep 2026US 12,747,895 B2Coway Co., Ltd.
- Control method, apparatus, and device for compressor, storage medium, and refrigeration system22 Sep 2026US 12,742,578 B2Gd Midea Heating & Ventilating Equipment Co., Ltd.
- Control method and device suitable for air conditioner in high drop mode15 Sep 2026US 12,736,247 B2Carrier Corporation
- Utilizing air moisture sensor and compressor power sensor data within a laundry appliance to detect refrigerant leaks8 Oct 2026US 2026/0308832 A1Haier US Appliance Solutions, Inc.
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Refrigeration Circuit Device and Heat Pump8 Oct 2026US 2026/0309356 A1Viessmann Holding International GmbH
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
- Expander control in hvacr systems1 Oct 2026US 2026/0298514 A1Trane Air Conditioning Systems (China) Co., Ltd.
Most cited
By later US patents
- 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
- Fan motor on/off control system for a refrigeration appliance176US 5,918,474 AWhirlpool Corporation · 1999
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Variable speed drive chiller system167US 6,434,960 B1Carrier Corporation · 2002