F25B 49/043
Operating continuously
Official title: {Operating continuously}
F25B49/043 (Operating continuously) appears on 137 US grants and 58 published applications in this corpus.
Search patents in F25B- Granted patents
- 137
- Published applications
- 58
- Assignees
- 59
- Inventors
- 275
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 5 | 5 |
| 2003 | 7 | 2 |
| 2004 | 5 | 0 |
| 2005 | 1 | 7 |
| 2006 | 5 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 3 | 4 |
| 2018 | 4 | 7 |
| 2019 | 3 | 2 |
| 2020 | 4 | 2 |
| 2021 | 2 | 5 |
| 2022 | 1 | 1 |
| 2023 | 4 | 2 |
| 2024 | 6 | 5 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
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.
- Heat transfer method2 Sep 2025US 12,405,036 B2Daikin Industries, 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
- High-Efficiency Integrated Absorption Cooling System Utilizing Fuel Cell Exhaust Heat8 Jan 2026US 2026/0011762 A1Samjungtech Co., Ltd
- 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.
- 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
Most cited
By later US patents
- Near optimization of cooling tower condenser water103US 5,600,960 AAmerican Standard Inc. · 1997
- Chiller capacity control with variable chilled water flow compensation42US 6,276,152 B1American Standard International Inc. · 2001
- Chiller capacity control with variable chilled water flow compensation41US 6,085,532 AAmerican Standard Inc. · 2000
- Control device for absorption refrigerator26US 5,156,013 ASanyo Electric Co., Ltd. · 1992
- Sorption heat pump24US 4,596,122 AJoh. Vaillant GmbH · 1986