F25B 25/02
Compression-sorption machines, plants, or systems
F25B25/02 (Compression-sorption machines, plants, or systems) appears on 158 US grants and 110 published applications in this corpus.
Search patents in F25B- Granted patents
- 158
- Published applications
- 110
- Assignees
- 106
- Inventors
- 361
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 5 |
| 2006 | 1 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 5 |
| 2014 | 1 | 6 |
| 2015 | 3 | 6 |
| 2016 | 9 | 9 |
| 2017 | 5 | 11 |
| 2018 | 6 | 8 |
| 2019 | 2 | 6 |
| 2020 | 10 | 10 |
| 2021 | 9 | 7 |
| 2022 | 10 | 5 |
| 2023 | 8 | 8 |
| 2024 | 5 | 6 |
| 2025 | 4 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-cop heat pump with thermochemical storage system14 Oct 2025US 12,442,571 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Refrigeration cycle apparatus23 Sep 2025US 12,422,171 B2Daikin Industries, Ltd.
- Heat-and-cold recovery system based on liquid cooling data center16 Sep 2025US 12,419,013 B2Hangzhou Keencool Intelligent Technology Co., Ltd.
- Split level sorption refrigeration system15 Apr 2025US 12,276,445 B2Bry-Air [Asia] Pvt. Ltd.
- Hybrid fossil fuel-electric multi-function heat pump24 Dec 2024US 12,173,910 B2Stone Mountain Technologies, Inc.
- Split level sorption refrigeration system1 Oct 2026US 2026/0298512 A1Bry-Air [Asia] Pvt. Ltd.
- Hybrid Air Conditioning System25 Jun 2026US 2026/0177301 A1
- Water removal system including an absorption chiller system and a heat pump system19 Mar 2026US 2026/0077302 A1Scuderi Group, LLC
- Refrigeration cycle apparatus12 Mar 2026US 2026/0071792 A1Daikin Industries, Ltd.
- Three-Way Heat Exchange Module With Controlled Fluid Flow19 Jun 2025US 2025/0198669 A1
Most cited
By later US patents
- Heat pump assisted solar powered absorption system66US 4,070,870 ABorg-Warner Corporation · 1978
- Adsorption thermal storage apparatus and adsorption thermal storage system including the same66US 5,005,371 ANishiyodo Air Conditioner Co., Ltd. · 1991
- Reduced pressure carbon dioxide-based refrigeration system63US 6,112,547 ASpauschus Associates, Inc. · 2000
- Air conditioning apparatus60US 4,987,750 A1991
- Heat pump freeze drying system46US 4,016,657 A1977