F25B 15/06
The refrigerant being water vapour evaporated from a salt solution
Official title: the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide {(F25B15/025 takes precedence)}
F25B15/06 (The refrigerant being water vapour evaporated from a salt solution) appears on 307 US grants and 158 published applications in this corpus.
Search patents in F25B- Granted patents
- 307
- Published applications
- 158
- Assignees
- 147
- Inventors
- 566
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 4 | 0 |
| 1984 | 15 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 20 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 17 | 5 |
| 2002 | 8 | 5 |
| 2003 | 11 | 6 |
| 2004 | 7 | 3 |
| 2005 | 2 | 4 |
| 2006 | 3 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 1 | 5 |
| 2013 | 2 | 3 |
| 2014 | 4 | 7 |
| 2015 | 2 | 7 |
| 2016 | 5 | 7 |
| 2017 | 12 | 12 |
| 2018 | 5 | 12 |
| 2019 | 8 | 12 |
| 2020 | 14 | 6 |
| 2021 | 4 | 11 |
| 2022 | 13 | 8 |
| 2023 | 9 | 8 |
| 2024 | 14 | 11 |
| 2025 | 8 | 12 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Heat and electric power supply system and operation method thereof75US 6,477,852 B2Hitachi, Ltd. · 2002
- LiCl Dehumidifier LiBr absorption chiller hybrid air conditioning system with energy recovery66US 4,205,529 AThe United States of America as represented by the United States Department of Energy · 1980
- Heat engine55US 7,062,913 B2The Ohio State University · 2006
- Hybrid double-absorption cooling system50US 4,373,347 ABoard of Regents, The University of Texas System · 1983
- Process of water recovery and removal48US 4,209,364 A1980