F22B 37/486
Devices for removing water, minerals or sludge from boilers
Official title: {Devices for removing water, minerals or sludge from boilers (F22B37/483, F22B37/50, F22B37/52 and F22B37/54 take precedence)}
F22B37/486 (Devices for removing water, minerals or sludge from boilers) appears on 58 US grants and 64 published applications in this corpus.
Search patents in F22B- Granted patents
- 58
- Published applications
- 64
- Assignees
- 48
- Inventors
- 107
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 2 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 9 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 3 | 2 |
| 2018 | 4 | 6 |
| 2019 | 5 | 3 |
| 2020 | 5 | 6 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 4 | 2 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical dispensing system for treating fluid in boiler/cooling systems8 Jul 2025US 12,352,431 B2Condor Technologies, Inc.
- Apparatus and method of removing foreign substances from steam generator1 Jul 2025US 12,345,412 B2Doosan Enerbility Co., Ltd.
- Deep cleaning alignment equipment8 Apr 2025US 12,270,540 B2Precision Iceblast Corporation
- Commissioning power plants31 Oct 2023US 11,802,689 B2Boyle Energy Services & Technology, Inc.
- Chemical dispensing system for treating fluid in boiler/cooling systems19 Sep 2023US 11,761,624 B2CONDOR TECHNOLOGIES, a division of AZURE WATER SER
- Chemical dispensing system for treating fluid in boiler/cooling systems8 Jan 2026US 2026/0009531 A1Condor Technologies, Inc.
- Sludge lance for cleaning a steam generator7 Aug 2025US 2025/0251202 A1Westinghouse Electric Corp.
- Chemical dispensing system for treating fluid in boiler/cooling systems28 Dec 2023US 2023/0417408 A1Condor Technologies, Inc.
- Apparatus and method of removing foreign substances from steam generator4 May 2023US 2023/0138837 A1Doosan Enerbility Co., Ltd.
- Deep Cleaning Alignment Equipment11 Aug 2022US 2022/0252255 A1Precision Iceblast Corporation
Most cited
By later US patents
- Water treatment and steam generation system for enhanced oil recovery and a method using same49US 10,357,726 B2Great Ocean Ltd. · 2019
- Method for cleaning a boiler40US 5,279,676 ADelaware Capital Formation, Inc. · 1994
- Scale deposit removal arrangement for electric water heaters and vaporizers18US 4,032,748 AInnovative Process Equipment, Inc. · 1977
- Device, system and method for on-line explosive deslagging17US 6,431,073 B1North American Industrial Services, Inc. · 2002
- Cleaning system for boiler13US 5,193,491 ADelaware Capital Formation, Inc. · 1993