F22B 37/565
Blow-down control
Official title: {Blow-down control, e.g. for ascertaining proper duration of boiler blow-down}
F22B37/565 (Blow-down control) appears on 26 US grants and 16 published applications in this corpus.
Search patents in F22B- Granted patents
- 26
- Published applications
- 16
- Assignees
- 22
- Inventors
- 43
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of pre-operational cleaning of water and steam systems in combined cycle power plants and combined cycle power plant arranged therefor25 Aug 2026US 12,716,366 B2GE Vernova Infrastructure Technology LLC
- Humidifier for a fan coil4 Feb 2025US 12,215,889 B2Omachron Intellectual Property Inc.
- Intelligent prediction of boiler blowdown27 Aug 2024US 12,072,094 B2Saudi Arabian Oil Company
- Boiler flushing25 Jun 2024US 12,018,595 B2Siemens Energy Global GmbH & Co. KG
- Method for generating steam from raw water, in particular from blow down water coming from a steam generator21 Aug 2018US 10,054,308 B2Brais Malouin and Associates Inc.
- Method of pre-operational cleaning of water and steam systems in combined cycle power plants and combined cycle power plant arranged therefor12 Jun 2025US 2025/0188848 A1GE Infrastructure Technology LLC
- Humidifier for a fan coil24 Apr 2025US 2025/0129951 A1Omachron Intellectual Property Inc.
- Method for cleaning the heat exchange tubes of steam generators in a nuclear power station25 Jan 2024US 2024/0027150 A1Atomenergoremont Joint-Stock Company
- Intelligent prediction of boiler blowdown5 Oct 2023US 2023/0313984 A1Saudi Arabian Oil Company
- Method for diagnosing the technical condition of rotating equipment24 Aug 2023US 2023/0266160 A1Joint Stock Company “Rosenergoatom”
Most cited
By later US patents
- Steam generator for cooking equipment having a decalcification means49US 4,991,545 A1991
- Concentration cycles, percent life holding time and continuous treatment concentration monitoring in boiler systems by inert tracers39US 5,041,386 ANalco Chemical Company · 1991
- Boiler water blowdown control system30US 6,655,322 B1Chemtreat, Inc. · 2003
- Electromagnetic ground water conditioning system and sampling device for waste water and fermentation makeup water24US 4,347,133 A1982
- Boiler blowdown system18US 4,285,302 A1981