F28B 1/06
Condensers in which the steam or vapour is separate from the cooling
Official title: using air or other gas as the cooling medium
F28B1/06 (Condensers in which the steam or vapour is separate from the cooling) appears on 378 US grants and 346 published applications in this corpus.
Search patents in F28B- Granted patents
- 378
- Published applications
- 346
- Assignees
- 230
- Inventors
- 751
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 11 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 3 |
| 2002 | 7 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 8 |
| 2007 | 4 | 4 |
| 2008 | 2 | 11 |
| 2009 | 4 | 11 |
| 2010 | 4 | 21 |
| 2011 | 6 | 20 |
| 2012 | 10 | 15 |
| 2013 | 5 | 13 |
| 2014 | 13 | 21 |
| 2015 | 4 | 16 |
| 2016 | 11 | 24 |
| 2017 | 21 | 19 |
| 2018 | 19 | 20 |
| 2019 | 28 | 20 |
| 2020 | 21 | 19 |
| 2021 | 19 | 23 |
| 2022 | 14 | 18 |
| 2023 | 17 | 15 |
| 2024 | 17 | 7 |
| 2025 | 10 | 9 |
| 2026 | 2 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steam heat exchanger2 Jun 2026US 12,644,648 B2
- Method for improving efficiency of heat transmission by steam21 Apr 2026US 12,607,421 B2Kurita Water Industries Ltd.
- Induced draft heat rejection equipment with top mounted backward-curved centrifugal fans18 Nov 2025US 12,474,120 B2Evapco, Inc.
- Advanced large scale field-erected air cooled industrial steam condenser4 Nov 2025US 12,460,866 B2Evapco, Inc.
- Steam condenser with heat exchanger and a cooking oven with such steam condenser5 Aug 2025US 12,379,161 B2“Retech” SpóLka Z Ograniczona Odpowiedzialnoscia
- Condenser with a triply periodic minimal surface structure heat exchange core1 Oct 2026US 2026/0298544 A1The Hong Kong University of Science and Technology
- Non-electromechanical, pumpless liquid recirculation system for air-cooled condenser and cooler adiabatic pre-cooling system24 Sep 2026US 2026/0287262 A1
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251363 A1Tyco Fire & Security GmbH
- Condensation plant20 Aug 2026US 2026/0243517 A1Kelvion Thermal Solutions Holding GmbH
- Modular heat transfer systems and associated methods of heat transfer6 Aug 2026US 2026/0227136 A1Spx Cooling Tech, LLC
Most cited
By later US patents
- Cooling system for electronic device74US 5,535,818 AFujitsu Limited · 1996
- Heat exchanger with transpired, highly porous fins70US 6,378,605 B1Midwest Research Institute · 2002
- Air cooled atmospheric heat exchanger64US 4,119,140 AThe Marley Cooling Tower Company · 1978
- Heat exchanger for cooling and for a pre-cooler for turbine intake air conditioning63US 6,385,987 B22002
- Vortex-augmented cooling tower-windmill combination60US 4,499,034 AThe United States of America as represented by the United States Department of Energy · 1985