F25B 2313/027
Compression machines, plants or systems with reversible cycle not otherwise provided for
Official title: characterised by the reversing means
F25B2313/027 (Compression machines, plants or systems with reversible cycle not otherwise provided for) appears on 998 US grants and 1,246 published applications in this corpus.
Search patents in F25B- Granted patents
- 998
- Published applications
- 1,246
- Assignees
- 249
- Inventors
- 1,784
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 8 |
| 2003 | 7 | 3 |
| 2004 | 4 | 11 |
| 2005 | 11 | 9 |
| 2006 | 4 | 19 |
| 2007 | 16 | 22 |
| 2008 | 5 | 36 |
| 2009 | 8 | 58 |
| 2010 | 21 | 73 |
| 2011 | 30 | 79 |
| 2012 | 36 | 70 |
| 2013 | 28 | 77 |
| 2014 | 30 | 61 |
| 2015 | 51 | 92 |
| 2016 | 69 | 59 |
| 2017 | 81 | 43 |
| 2018 | 71 | 39 |
| 2019 | 65 | 54 |
| 2020 | 56 | 68 |
| 2021 | 43 | 57 |
| 2022 | 57 | 90 |
| 2023 | 43 | 69 |
| 2024 | 63 | 82 |
| 2025 | 61 | 38 |
| 2026 | 26 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2313/02741Using one four-way valveIndexing code575
- F25B 2313/0272Using bridge circuits of one-way valvesIndexing code214
- F25B 2313/02732Using two three-way valvesIndexing code134
- F25B 2313/02742Using two four-way valvesIndexing code129
- F25B 2313/02743Using three four-way valvesIndexing code77
- F25B 2313/02791Using shut-off valvesIndexing code74
- F25B 2313/02731Using one three-way valveIndexing code65
- F25B 2313/0276Using six-way valvesIndexing code19
All 12 subgroupsShow fewer
Recent patents
- Air conditioner1 Sep 2026US 12,723,784 B2LG Electronics Inc.
- Air conditioning system25 Aug 2026US 12,716,624 B2Daikin Industries, Ltd.
- Variable refrigerant flow system and control method18 Aug 2026US 12,710,207 B2Guangdong Carrier Hvac Co., Ltd.
- Dishwasher including heat pump apparatus28 Jul 2026US 12,690,746 B2LG Electronics Inc.
- Heating, ventilation, and air-conditioning system with reheat28 Jul 2026US 12,693,050 B2Goodman Global Group, Inc.
- Multi-way switching valve device8 Oct 2026US 2026/0309242 A1Mikuni Corporation
- Refrigeration cycle apparatus1 Oct 2026US 2026/0298506 A1Mitsubishi Electric Corporation
- Heat pump apparatus20 Aug 2026US 2026/0243473 A1Mitsubishi Electric Corporation
- Air-conditioning apparatus and evacuation method in air-conditioning apparatus20 Aug 2026US 2026/0243474 A1Mitsubishi Electric Corporation
- Refrigeration cycle apparatus30 Jul 2026US 2026/0218949 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Ethanol production by Escherichia coli strains co-expressing Zymomonas PDC and ADH genes126US 5,000,000 AUniversity of Florida · 1991
- Geothermal storage heating and cooling system91US 4,375,831 A1983
- Air-conditioning apparatus81US 9,322,562 B2Mitsubishi Electric Corporation · 2016
- Automotive air conditioner having condenser and evaporator provided within air duct69US 5,299,431 ANippondenso Co., Ltd. · 1994
- Integrated system for heating, cooling and heat recovery ventilation61US 6,347,527 B12002