F28B 1/02
Condensers in which the steam or vapour is separate from the cooling
Official title: using water or other liquid as the cooling medium
F28B1/02 (Condensers in which the steam or vapour is separate from the cooling) appears on 263 US grants and 232 published applications in this corpus.
Search patents in F28B- Granted patents
- 263
- Published applications
- 232
- Assignees
- 188
- Inventors
- 578
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 4 |
| 2002 | 3 | 2 |
| 2003 | 3 | 5 |
| 2004 | 2 | 2 |
| 2005 | 2 | 5 |
| 2006 | 4 | 6 |
| 2007 | 3 | 3 |
| 2008 | 2 | 6 |
| 2009 | 5 | 10 |
| 2010 | 1 | 15 |
| 2011 | 6 | 8 |
| 2012 | 8 | 9 |
| 2013 | 7 | 11 |
| 2014 | 7 | 16 |
| 2015 | 5 | 18 |
| 2016 | 8 | 18 |
| 2017 | 19 | 17 |
| 2018 | 9 | 13 |
| 2019 | 21 | 10 |
| 2020 | 15 | 11 |
| 2021 | 13 | 10 |
| 2022 | 7 | 8 |
| 2023 | 5 | 5 |
| 2024 | 8 | 14 |
| 2025 | 4 | 1 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Evaporative condenser21 Apr 2026US 12,607,391 B2Kyungdong Navien Co., Ltd.
- Tunnel type hybrid cooling steam recycling apparatus21 Apr 2026US 12,607,410 B2Big Sun Energy Technology Inc.
- Method for improving efficiency of heat transmission by steam21 Apr 2026US 12,607,421 B2Kurita Water Industries Ltd.
- System for restoration of a salty body of water that harnesses hydro, solar, and geothermal energy, to be used in remote locations and different applications including the production of distilled water from a salty body of water31 Mar 2026US 12,590,736 B2
- Cooling device of an electrical storage system and method using the cooling device8 Jul 2025US 12,355,048 B2Valeo Systemes Thermiques
- Condenser1 Oct 2026US 2026/0298543 A1Mitsubishi Heavy Industries, Ltd.
- Condensing device and heat pump system comprising same20 Aug 2026US 2026/0243480 A1
- Apparatus, System and Method for Heat Exchanger End Plate Erosion Resistance13 Aug 2026US 2026/0235371 A1Westermeyer Industries Inc.
- Heat exchanger and energy storage device6 Aug 2026US 2026/0229643 A1Huawei Digital Power Technologies Co., Ltd.
- Combined condenser-evaporator9 Jul 2026US 2026/0194271 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Hydraulic fracturing system and method179US 9,840,897 B22017
- Liquid desiccant air conditioner67US 6,216,483 B1Fedders Corporation · 2001
- Mixing system with condenser63US 8,455,242 B2HyClone Laboratories, Inc. · 2013
- Portable liquid desiccant dehumidifier57US 6,138,470 AFedders Corporation · 2000
- Solar power generation system54US 7,340,899 B1Solar Energy Production Corporation · 2008