F22B 37/52
Washing-out devices
F22B37/52 (Washing-out devices) appears on 31 US grants and 35 published applications in this corpus.
Search patents in F22B- Granted patents
- 31
- Published applications
- 35
- Assignees
- 26
- Inventors
- 53
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 6 |
| 2015 | 1 | 1 |
| 2016 | 3 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 4 | 3 |
| 2020 | 4 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 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
- Waste heat recovery system and method21 Jan 2025US 12,203,650 B2Samsung E&A Co., Ltd.
- Seawater leakage detection device in feedwater system, method for detecting seawater leakage in feedwater system, and steam turbine plant31 Oct 2023US 11,802,688 B2Mitsubishi Heavy Industries, Ltd.
- Steam-generating unit of dual circuit reactor with purge and drain system27 Dec 2022US 11,536,448 B2Joint-Stock Company “Atomenergoproekt”
- Steam injection heater with integrated cleaning mechanism13 Dec 2022US 11,525,571 B2Hydro-Thermal Corporation
- Sludge lance for cleaning a steam generator7 Aug 2025US 2025/0251202 A1Westinghouse Electric Corp.
- 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
- Waste heat recovery system and method19 Dec 2024US 2024/0418360 A1Samsung E&A Co., Ltd.
- Electric steam generating device25 Jul 2024US 2024/0247798 A1Kohler Co.
- Steam-generating unit of dual circuit reactor with purge and drain system27 May 2021US 2021/0156559 A1Joint-Stock Company “Atomenergoproekt”
Most cited
By later US patents
- Apparatus and method for flushing boiler low-water cutoff systems13US 6,073,591 A2000
- Retractable articulating robotic sootblower10US 8,176,883 B2Diamond Power International, Inc. · 2012
- Method and apparatus for commissioning power plants7US 9,217,566 B2Boyle Energy Services & Technology, Inc. · 2015
- Cleaning of the water/steam circuit in a once-through forced-flow steam generator6US 5,840,130 AAsea Brown Boveri AG · 1998
- Method and apparatus for cleaning a substantially vertical surface6US 8,298,347 B2Mac & Mac Hydrodemolition Inc. · 2012