F25B 15/008
Sorption machines, plants or systems, operating continuously: with multi-stage operation
Official title: {with multi-stage operation (F25B15/006 takes precedence)}
F25B15/008 (Sorption machines, plants or systems, operating continuously: with multi-stage operation) appears on 172 US grants and 69 published applications in this corpus.
Search patents in F25B- Granted patents
- 172
- Published applications
- 69
- Assignees
- 67
- Inventors
- 287
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 0 |
| 2002 | 7 | 7 |
| 2003 | 8 | 4 |
| 2004 | 4 | 2 |
| 2005 | 2 | 5 |
| 2006 | 4 | 5 |
| 2007 | 2 | 1 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 4 | 5 |
| 2019 | 1 | 2 |
| 2020 | 4 | 3 |
| 2021 | 3 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 1 |
| 2024 | 5 | 6 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sub-kelvin temperature zone refrigeration mechanism8 Jul 2025US 12,352,488 B2Shanghai Institute of Technical Physics, Chinese Academy of Sciences
- Siphon evaporation device having heat exchange structure, and operation method and application thereof29 Apr 2025US 12,287,128 B2Anhui Metaenergy Technologies Co.Ltd
- Liquid chiller and absorption refrigerator system26 Nov 2024US 12,152,811 B1King Fahd University of Petroleum and Minerals
- Perforated plate adsorption chiller system26 Nov 2024US 12,152,812 B1King Fahd University of Petroleum and Minerals
- Evaporator-absorber chiller system19 Nov 2024US 12,146,689 B1King Fahd University of Petroleum and Minerals
- Liquid chiller and absorption refrigerator system7 Nov 2024US 2024/0369266 A1King Fahd University of Petroleum and Minerals
- Perforated plate adsorption chiller system7 Nov 2024US 2024/0369267 A1King Fahd University of Petroleum and Minerals
- Evaporator-absorber chiller system7 Nov 2024US 2024/0369268 A1King Fahd University of Petroleum and Minerals
- Siphon evaporation device having heat exchange structure, and operation method and application thereof19 Sep 2024US 2024/0310084 A1Anhui Metaenergy Technologies Co.Ltd
- Sub-kelvin temperature zone refrigeration mechanism28 Mar 2024US 2024/0102701 A1Shanghai Institute of Technical Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Heat engine55US 7,062,913 B2The Ohio State University · 2006
- Heat transfer apparatus52US 5,339,654 AColumbia Gas System Service Corporation · 1994
- Absorption refrigeration cycles using a LGWP refrigerant41US 9,994,751 B2Honeywell International Inc. · 2018
- Refrigerant enhancer-absorbent concentrator and turbo-charged absorption chiller40US 5,600,967 A1997
- Efficient heater and air conditioner38US 4,813,242 A1989