F25B 2600/23
Time delays
F25B2600/23 (Time delays) appears on 276 US grants and 220 published applications in this corpus.
Search patents in F25B- Granted patents
- 276
- Published applications
- 220
- Assignees
- 117
- Inventors
- 642
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 5 |
| 2003 | 8 | 9 |
| 2004 | 13 | 8 |
| 2005 | 7 | 13 |
| 2006 | 3 | 8 |
| 2007 | 8 | 8 |
| 2008 | 1 | 4 |
| 2009 | 3 | 3 |
| 2010 | 5 | 6 |
| 2011 | 1 | 4 |
| 2012 | 4 | 3 |
| 2013 | 3 | 12 |
| 2014 | 1 | 2 |
| 2015 | 6 | 22 |
| 2016 | 4 | 9 |
| 2017 | 13 | 11 |
| 2018 | 14 | 18 |
| 2019 | 17 | 11 |
| 2020 | 21 | 11 |
| 2021 | 11 | 9 |
| 2022 | 7 | 11 |
| 2023 | 8 | 12 |
| 2024 | 9 | 12 |
| 2025 | 7 | 6 |
| 2026 | 8 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Operation control system, operation control apparatus, and operation control method25 Aug 2026US 12,716,601 B2Daikin Industries, Ltd.
- System and method for coordinated single setpoint humidity control16 Jun 2026US 12,656,005 B2Research Products Corporation
- System and method for operating a compressor of an energy efficient heat pump16 Jun 2026US 12,656,028 B2Tyco Fire & Security GmbH
- Air conditioner21 Apr 2026US 12,607,367 B2LG Electronics Inc.
- Air conditioner17 Mar 2026US 12,578,116 B2LG Electronics Inc.
- Refrigeration apparatus14 May 2026US 2026/0132971 A1PHC Corporation
- Systems and methods for confirming pump operation19 Feb 2026US 2026/0049749 A1Vertiv Corporation
- Cooling system with enhanced low ambient application for low boiling refrigerant29 Jan 2026US 2026/0029150 A1Vertiv Corporation
- Prediction apparatus, refrigeration system, prediction method and prediction program30 Oct 2025US 2025/0334287 A1Daikin Industries, Ltd.
- Refrigeration apparatus2 Oct 2025US 2025/0305725 A1Phc Holdings Corporation
Most cited
By later US patents
- Control for commercial refrigeration system204US 5,586,444 ATyler Refrigeration Corporation · 1996
- Fan motor on/off control system for a refrigeration appliance176US 5,918,474 AWhirlpool Corporation · 1999
- Fuzzy logic based controller for cooling and refrigerating systems108US 5,440,891 A1995
- Method of refrigeration case control96US 5,533,347 ANovar Electronics Corporation · 1996
- Electronic sensing and display system for a refrigerator95US 4,387,578 AWhirlpool Corporation · 1983