F25B 13/00
Compression machines, plants or systems, with reversible cycle
Official title: Compression machines, plants or systems, with reversible cycle (defrosting cycles F25B47/02)
F25B13/00 (Compression machines, plants or systems, with reversible cycle) appears on 3,565 US grants and 4,056 published applications in this corpus.
Search patents in F25B- Granted patents
- 3,565
- Published applications
- 4,056
- Assignees
- 677
- Inventors
- 5,571
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 19 | 0 |
| 1978 | 17 | 0 |
| 1979 | 19 | 0 |
| 1980 | 24 | 0 |
| 1981 | 30 | 0 |
| 1982 | 31 | 0 |
| 1983 | 20 | 0 |
| 1984 | 25 | 0 |
| 1985 | 24 | 0 |
| 1986 | 16 | 0 |
| 1987 | 28 | 0 |
| 1988 | 23 | 0 |
| 1989 | 29 | 0 |
| 1990 | 27 | 0 |
| 1991 | 32 | 0 |
| 1992 | 35 | 0 |
| 1993 | 30 | 0 |
| 1994 | 25 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 29 | 0 |
| 1998 | 47 | 0 |
| 1999 | 40 | 0 |
| 2000 | 36 | 0 |
| 2001 | 36 | 9 |
| 2002 | 38 | 33 |
| 2003 | 37 | 38 |
| 2004 | 45 | 76 |
| 2005 | 47 | 62 |
| 2006 | 36 | 104 |
| 2007 | 52 | 49 |
| 2008 | 29 | 70 |
| 2009 | 29 | 92 |
| 2010 | 51 | 98 |
| 2011 | 48 | 111 |
| 2012 | 49 | 119 |
| 2013 | 35 | 120 |
| 2014 | 56 | 132 |
| 2015 | 88 | 233 |
| 2016 | 127 | 226 |
| 2017 | 199 | 216 |
| 2018 | 211 | 199 |
| 2019 | 238 | 241 |
| 2020 | 219 | 316 |
| 2021 | 194 | 259 |
| 2022 | 249 | 329 |
| 2023 | 184 | 286 |
| 2024 | 283 | 285 |
| 2025 | 224 | 202 |
| 2026 | 110 | 151 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat pump system and control method thereof6 Oct 2026US 12,753,957 B2Samsung Electronics Co., Ltd.
- Indoor unit of air conditioner29 Sep 2026US 12,747,871 B2Fujitsu General Limited
- Refrigerator and control method thereof29 Sep 2026US 12,747,894 B2Samsung Electronics Co., Ltd.
- Refrigeration system with heat pump compression15 Sep 2026US 12,736,260 B2Toromont Industries Limited
- Refrigeration and heat pump systems with pressure exchangers1 Sep 2026US 12,723,782 B2Energy Recovery, Inc.
- Refrigerant unit8 Oct 2026US 2026/0309374 A1Sanden Corporation
- Hfo-1234ze, hfo-1225zc and hfo-1234yf compositions and processes for producing and using the compositions8 Oct 2026US 2026/0309375 A1The Chemours Company Fc, LLC
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298484 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298485 A1
- Systems and methods for integrating a water heating unit and a heat pump1 Oct 2026US 2026/0298489 A1
Most cited
By later US patents
- Self configuring controller243US 5,276,630 AAmerican Standard Inc. · 1994
- Fault diagnostics and prognostics based on distance fault classifiers225US 7,188,482 B2Carrier Corporation · 2007
- Heating and cooling system with variable capacity compressor154US 5,628,201 ACopeland Corporation · 1997
- Combined ambient-air and earth exchange heat pump system141US 5,461,876 A1995
- Heat pump air conditioning system132US 4,420,947 AMitsubishi Denki Kabushiki Kaisha · 1983