F25B 27/007
In sorption type systems
Official title: {in sorption type systems}
F25B27/007 (In sorption type systems) appears on 165 US grants and 113 published applications in this corpus.
Search patents in F25B- Granted patents
- 165
- Published applications
- 113
- Assignees
- 92
- Inventors
- 303
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 4 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 5 |
| 2009 | 0 | 3 |
| 2010 | 0 | 5 |
| 2011 | 3 | 7 |
| 2012 | 0 | 4 |
| 2013 | 3 | 3 |
| 2014 | 4 | 8 |
| 2015 | 6 | 10 |
| 2016 | 6 | 4 |
| 2017 | 10 | 11 |
| 2018 | 5 | 10 |
| 2019 | 3 | 4 |
| 2020 | 9 | 3 |
| 2021 | 5 | 8 |
| 2022 | 3 | 4 |
| 2023 | 4 | 7 |
| 2024 | 8 | 5 |
| 2025 | 8 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Solar heating for refrigeration and fluid heating devices2 Dec 2025US 12,486,990 B2Lema S.R.L.
- Solar energy system with rankine cycle23 Sep 2025US 12,422,172 B2King Fahd University of Petroleum and Minerals
- Rankine energy system based on solar power9 Sep 2025US 12,410,951 B1King Fahd University of Petroleum and Minerals
- Rankine energy system based on solar power4 Sep 2025US 2025/0277608 A1King Fahd University of Petroleum and Minerals
- Solar energy system with rankine cycle28 Aug 2025US 2025/0271184 A1King Fahd University of Petroleum and Minerals
- Solar power energy system with rankine engine7 Aug 2025US 2025/0251178 A1King Fahd University of Petroleum and Minerals
- Heat Transfer Device22 May 2025US 2025/0164158 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
- Solar heating system83US 4,429,545 AOcean & Atmospheric Science, Inc. · 1984
- Heat pump assisted solar powered absorption system66US 4,070,870 ABorg-Warner Corporation · 1978
- 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 pump energized by low-grade heat source57US 4,637,218 A1987
- Solar cooling apparatus44US 4,703,629 A1987