F28B 3/00
Condensers in which the steam or vapour comes into direct contact with
Official title: Condensers in which the steam or vapour comes into direct contact with the cooling medium
F28B3/00 (Condensers in which the steam or vapour comes into direct contact with) appears on 75 US grants and 65 published applications in this corpus.
Search patents in F28B- Granted patents
- 75
- Published applications
- 65
- Assignees
- 76
- Inventors
- 186
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 6 |
| 2015 | 5 | 8 |
| 2016 | 5 | 2 |
| 2017 | 7 | 4 |
| 2018 | 1 | 5 |
| 2019 | 5 | 5 |
| 2020 | 6 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 4 | 5 |
| 2025 | 0 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F28B 3/04Condensers in which the steam or vapour comes into direct contact with29
- F28B 3/06Condensers in which the steam or vapour comes into direct contact with19
- F28B 3/02Condensers in which the steam or vapour comes into direct contact with13
- F28B 3/08Condensers in which the steam or vapour comes into direct contact with7
Recent patents
- Tunnel type hybrid cooling steam recycling apparatus21 Apr 2026US 12,607,410 B2Big Sun Energy Technology Inc.
- Steam pressing device with steam plates17 Mar 2026US 12,577,723 B2Imam Abdulrahman Bin Faisal University
- Steam press system for pressing fabrics15 Oct 2024US 12,116,719 B1Imam Abdulrahman Bin Faisal University
- Gas collection system20 Aug 2024US 12,066,252 B1Lunar Helium-3 Mining, LLC
- Steam generation and steam recycling steam press system2 Jul 2024US 12,024,813 B1Imam Abdulrahman Bin Faisal University
- Steam pressing device with steam capture and recycle16 Jul 2026US 2026/0201630 A1Imam Abdulrahman Bin Faisal University
- Corrosion resistant nozzle and lid for an adiabatic gas cooler9 Apr 2026US 2026/0097409 A1Cg Thermal, LLC
- Method and system for heating process liquid used in a slurry stream in an alcohol production process30 Jan 2025US 2025/0035381 A1Fluid Quip Technologies, LLC
- Steam pressing device with steam plates26 Dec 2024US 2024/0426045 A1Imam Abdulrahman Bin Faisal University
- Tunnel type hybrid cooling steam recycling apparatus14 Nov 2024US 2024/0377139 A1Big Sun Energy Technology Inc.
Most cited
By later US patents
- Process for cooling down a hot flue gas stream73US 7,655,071 B2Shell Oil Company · 2010
- Direct contact condenser and separating method40US 4,394,139 AEcolaire Incorporated · 1983
- Direct coolant contact vapor condensing35US 9,313,920 B2International Business Machines Corporation · 2016
- Fuel cell cooling and recirculation system33US 4,362,789 AWestinghouse Electric Corp. · 1982
- Method and apparatus for high-efficiency direct contact condensation19US 5,925,291 AMidwest Research Institute · 1999