F25B 2600/02
Compressor control
F25B2600/02 (Compressor control) appears on 2,820 US grants and 3,135 published applications in this corpus.
Search patents in F25B- Granted patents
- 2,820
- Published applications
- 3,135
- Assignees
- 666
- Inventors
- 5,447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 14 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 24 | 0 |
| 1989 | 21 | 0 |
| 1990 | 23 | 0 |
| 1991 | 25 | 0 |
| 1992 | 33 | 0 |
| 1993 | 39 | 0 |
| 1994 | 26 | 0 |
| 1995 | 11 | 0 |
| 1996 | 27 | 0 |
| 1997 | 15 | 0 |
| 1998 | 22 | 0 |
| 1999 | 24 | 0 |
| 2000 | 31 | 0 |
| 2001 | 34 | 12 |
| 2002 | 56 | 43 |
| 2003 | 66 | 82 |
| 2004 | 89 | 107 |
| 2005 | 69 | 102 |
| 2006 | 39 | 94 |
| 2007 | 52 | 82 |
| 2008 | 37 | 88 |
| 2009 | 37 | 83 |
| 2010 | 53 | 105 |
| 2011 | 56 | 81 |
| 2012 | 50 | 86 |
| 2013 | 52 | 87 |
| 2014 | 45 | 105 |
| 2015 | 68 | 190 |
| 2016 | 81 | 113 |
| 2017 | 147 | 175 |
| 2018 | 153 | 161 |
| 2019 | 174 | 188 |
| 2020 | 184 | 187 |
| 2021 | 158 | 200 |
| 2022 | 148 | 205 |
| 2023 | 163 | 183 |
| 2024 | 182 | 149 |
| 2025 | 124 | 125 |
| 2026 | 69 | 102 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2600/025By controlling speedIndexing code1,556
- F25B 2600/021Inverters thereforIndexing code832
- F25B 2600/026By controlling unloadersIndexing code315
- F25B 2600/027By controlling pressureIndexing code153
- F25B 2600/024By controlling the electric parametersIndexing code113
- F25B 2600/023Controlling swash plate anglesIndexing code38
- F25B 2600/022For multi-stage operationIndexing code26
Recent patents
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Motor drive system and control method for chiller unit29 Sep 2026US 12,747,899 B2Carrier Corporation
- Preventing nuisance trips of ground-fault circuit interruptors electrically coupled to climate control systems29 Sep 2026US 12,749,641 B2Trane International Inc.
- Refrigeration and heat pump systems with pressure exchangers1 Sep 2026US 12,723,782 B2Energy Recovery, Inc.
- Operation control system, operation control apparatus, and operation control method25 Aug 2026US 12,716,601 B2Daikin Industries, Ltd.
- 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
- Cooling System and Respective Operation1 Oct 2026US 2026/0298518 A1
- System and method for heating and cooling24 Sep 2026US 2026/0287196 A1Daikin Industries, Ltd.
- Systems and methods for controlling refrigerant concentration17 Sep 2026US 2026/0276278 A1Copeland Corporation
Most cited
By later US patents
- Electronically commutated motor1,555US 4,169,990 AGeneral Electric Company · 1979
- Electronically commutated motor systems and control therefor813US 4,459,519 AGeneral Electric Company · 1984
- Control for commercial refrigeration system204US 5,586,444 ATyler Refrigeration Corporation · 1996
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Compressor pulse width modulation172US 6,213,731 B1Copeland Corporation · 2001