F25B 2315/00
Sorption refrigeration cycles or details thereof
F25B2315/00 (Sorption refrigeration cycles or details thereof) appears on 167 US grants and 101 published applications in this corpus.
Search patents in F25B- Granted patents
- 167
- Published applications
- 101
- Assignees
- 95
- Inventors
- 379
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 4 |
| 2003 | 8 | 5 |
| 2004 | 6 | 1 |
| 2005 | 1 | 12 |
| 2006 | 5 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 1 | 6 |
| 2012 | 4 | 4 |
| 2013 | 3 | 1 |
| 2014 | 0 | 6 |
| 2015 | 3 | 3 |
| 2016 | 3 | 1 |
| 2017 | 5 | 7 |
| 2018 | 3 | 9 |
| 2019 | 4 | 3 |
| 2020 | 6 | 5 |
| 2021 | 6 | 9 |
| 2022 | 5 | 2 |
| 2023 | 4 | 3 |
| 2024 | 1 | 3 |
| 2025 | 4 | 6 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2315/001Crystallization preventionIndexing code53
- F25B 2315/002Generator absorber heat exchanger [gax]Indexing code52
- F25B 2315/006Reversible sorption cyclesIndexing code28
- F25B 2315/003Hydrates for sorption cyclesIndexing code17
- F25B 2315/007Parallel systems thereforIndexing code11
- F25B 2315/005RegenerationIndexing code10
- F25B 2315/004Inert heat-exchangersIndexing code1
Recent patents
- Multi-energy coupled cooling/heating system for buildings in long-term cooling region and operation method21 Apr 2026US 12,607,389 B2North China Municipal Engineering Design & Research Institute Co., Ltd.
- Solar environmental control system, apparatus, and method relating thereto14 Apr 2026US 12,601,528 B2University of North Texas
- Thermal storage absorption refrigeration unit7 Oct 2025US 12,435,912 B2
- Thermal regulation system22 Jul 2025US 12,366,389 B2Gobi Technologies Inc.
- Electric lithium bromide absorption air conditioning unit and energy storage refrigeration and heating system17 Jun 2025US 12,331,966 B1
- Absorption type chiller12 Jun 2025US 2025/0189178 A1
- Heat Transfer Device22 May 2025US 2025/0164158 A1
- Flame tube exchanger for absorption heat pumps1 May 2025US 2025/0137697 A1Ariston S.P.A.
- Thermal storage absorption refrigeration unit10 Apr 2025US 2025/0116435 A1
- Multi-energy coupled cooling/heating system for buildings in long-term cooling region and operation method10 Apr 2025US 2025/0116436 A1North China Municipal Engineering Design & Research Institute Co., Ltd.
Most cited
By later US patents
- Heat engine55US 7,062,913 B2The Ohio State University · 2006
- Method and apparatus for co-generation of electrical power and absorption-type heat pump air conditioning40US 4,380,909 AChevron Research Company · 1983
- Generator-absorber-heat exchange heat transfer apparatus and method and use thereof in a heat pump40US 5,367,884 APhillips Engineering Co. · 1994
- Absorption refrigeration and heat pump system36US 4,646,541 AColumbia Gas System Service Corporation · 1987
- Refrigerant fluid crystallization control and prevention31US 6,155,057 AArizona Board of Regents · 2000