F25B 2600/00
Control issues
F25B2600/00 (Control issues) appears on 5,976 US grants and 6,908 published applications in this corpus.
Search patents in F25B- Granted patents
- 5,976
- Published applications
- 6,908
- Assignees
- 1,272
- Inventors
- 9,801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 10 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 22 | 0 |
| 1982 | 22 | 0 |
| 1983 | 11 | 0 |
| 1984 | 25 | 0 |
| 1985 | 26 | 0 |
| 1986 | 25 | 0 |
| 1987 | 28 | 0 |
| 1988 | 31 | 0 |
| 1989 | 37 | 0 |
| 1990 | 35 | 0 |
| 1991 | 41 | 0 |
| 1992 | 53 | 0 |
| 1993 | 54 | 0 |
| 1994 | 43 | 0 |
| 1995 | 33 | 0 |
| 1996 | 47 | 0 |
| 1997 | 37 | 0 |
| 1998 | 52 | 0 |
| 1999 | 51 | 0 |
| 2000 | 69 | 0 |
| 2001 | 55 | 26 |
| 2002 | 104 | 93 |
| 2003 | 124 | 151 |
| 2004 | 156 | 209 |
| 2005 | 132 | 213 |
| 2006 | 115 | 219 |
| 2007 | 111 | 175 |
| 2008 | 68 | 173 |
| 2009 | 79 | 177 |
| 2010 | 116 | 239 |
| 2011 | 100 | 189 |
| 2012 | 108 | 185 |
| 2013 | 108 | 216 |
| 2014 | 105 | 239 |
| 2015 | 167 | 362 |
| 2016 | 187 | 260 |
| 2017 | 291 | 388 |
| 2018 | 344 | 367 |
| 2019 | 378 | 407 |
| 2020 | 405 | 444 |
| 2021 | 334 | 437 |
| 2022 | 389 | 461 |
| 2023 | 338 | 393 |
| 2024 | 404 | 368 |
| 2025 | 305 | 296 |
| 2026 | 162 | 221 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2600/25Control of valvesIndexing code2,900
- F25B 2600/02Compressor controlIndexing code2,820
- F25B 2600/11Fan speed controlIndexing code962
- F25B 2600/21Refrigerant outlet evaporator temperatureIndexing code325
- F25B 2600/23Time delaysIndexing code276
- F25B 2600/07Remote controlsIndexing code220
- F25B 2600/01TimingIndexing code213
- F25B 2600/13Pump speed controlIndexing code180
Recent patents
- Refrigeration cycle device6 Oct 2026US 12,752,599 B2Denso Corporation
- Adjustable working fluid reservoir for HVAC system6 Oct 2026US 12,753,942 B2Tyco Fire & Security GmbH
- 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.
- Valve manifold for a pool environment control system29 Sep 2026US 12,747,602 B2PoolAire, 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
- Cooling System for a Dilution Refrigerator System8 Oct 2026US 2026/0309373 A1Orange Quantum Systems Holding B.V.
- Multi-type air-conditioning device8 Oct 2026US 2026/0309383 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
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
- Refrigeration monitor unit797US 6,453,687 B2Robertshaw Controls Company · 2002
- Communications module mounting for domestic appliance446US 6,359,270 B1NCR Corporation · 2002
- Household consumable item automatic replenishment system including intelligent refrigerator290US 6,204,763 B1Jujitsu Limited · 2001