F25B 2600/0251
With on-off operation
Official title: with on-off operation
F25B2600/0251 (With on-off operation) appears on 602 US grants and 705 published applications in this corpus.
Search patents in F25B- Granted patents
- 602
- Published applications
- 705
- Assignees
- 263
- Inventors
- 1,502
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 8 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 8 | 6 |
| 2003 | 7 | 10 |
| 2004 | 13 | 19 |
| 2005 | 13 | 23 |
| 2006 | 12 | 23 |
| 2007 | 6 | 21 |
| 2008 | 1 | 10 |
| 2009 | 8 | 16 |
| 2010 | 8 | 31 |
| 2011 | 12 | 15 |
| 2012 | 8 | 19 |
| 2013 | 12 | 19 |
| 2014 | 9 | 22 |
| 2015 | 15 | 40 |
| 2016 | 16 | 24 |
| 2017 | 28 | 37 |
| 2018 | 34 | 43 |
| 2019 | 33 | 53 |
| 2020 | 48 | 53 |
| 2021 | 42 | 48 |
| 2022 | 39 | 51 |
| 2023 | 44 | 35 |
| 2024 | 35 | 30 |
| 2025 | 38 | 35 |
| 2026 | 12 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor control band process for variable cascade refrigeration system7 Jul 2026US 12,674,609 B2Trane Technologies Life Sciences LLC
- Heat pump apparatus9 Jun 2026US 12,650,251 B2Daikin Industries, Ltd.
- Refrigerant leakage management system26 May 2026US 12,638,221 B2Daikin Industries, Ltd.
- Refrigerated dryer power saving controls19 May 2026US 12,631,381 B2Ingersoll-Rand Industrial U.S., Inc.
- Ice maker with pressure transducers12 May 2026US 12,624,876 B2True Manufacturing Co., Inc.
- Fluid supply system for bearings of hvac&r system13 Aug 2026US 2026/0235333 A1Tyco Fire & Security GmbH
- Bearing system for hvac&r system6 Aug 2026US 2026/0227102 A1Tyco Fire & Security GmbH
- Air conditioner23 Jul 2026US 2026/0210611 A1Daikin Industries, Ltd.
- Refrigeration cycle device2 Jul 2026US 2026/0185762 A1Panasonic Intellectual Property Management Co., Ltd.
- Transportation refrigeration unit configured to conserve energy utilizedfor compressor cycles after a defrost event18 Jun 2026US 2026/0168715 A1Carrier Corporation
Most cited
By later US patents
- Control for commercial refrigeration system204US 5,586,444 ATyler Refrigeration Corporation · 1996
- Electronic thermostat employing adaptive cycling161US 4,725,001 A1988
- Method and apparatus for power load shedding152US 4,345,162 AHoneywell Inc. · 1982
- Apparatus and method for refrigeration system control and display131US 5,515,267 A1996
- Controlled refrigeration system106US 4,614,089 AGeneral Services Engineering, Inc. · 1986