F22B 37/54
De-sludging or blow-down devices
Official title: De-sludging or blow-down devices {(F22B37/565 takes precedence)}
F22B37/54 (De-sludging or blow-down devices) appears on 46 US grants and 48 published applications in this corpus.
Search patents in F22B- Granted patents
- 46
- Published applications
- 48
- Assignees
- 43
- Inventors
- 91
- Latest grant
- 31 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 3 | 4 |
| 2015 | 0 | 5 |
| 2016 | 2 | 6 |
| 2017 | 5 | 1 |
| 2018 | 4 | 3 |
| 2019 | 4 | 5 |
| 2020 | 2 | 2 |
| 2021 | 6 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Commissioning power plants31 Oct 2023US 11,802,689 B2Boyle Energy Services & Technology, Inc.
- Steam-generating unit of dual circuit reactor with purge and drain system27 Dec 2022US 11,536,448 B2Joint-Stock Company “Atomenergoproekt”
- Water-tube boiler with concentric heat-exchange coils with ash-removal system26 Oct 2021US 11,156,355 B2
- Electrical household appliance comprising a base having a gravity-fed boiling chamber12 Oct 2021US 11,141,036 B2Seb S.A.
- Flexible lance for machining or inspecting a tubesheet of a boiler13 Jul 2021US 11,060,718 B2Framatome
- Lithium extraction with an oxy-fuel combustor29 Feb 2024US 2024/0068070 A1Clean Energy Systems, Inc.
- Method for cleaning the heat exchange tubes of steam generators in a nuclear power station25 Jan 2024US 2024/0027150 A1Atomenergoremont Joint-Stock Company
- Method for diagnosing the technical condition of rotating equipment24 Aug 2023US 2023/0266160 A1Joint Stock Company “Rosenergoatom”
- Plasma fired steam generator system10 Aug 2023US 2023/0250952 A1Pyrogenesis Canada Inc.
- Water-Tube Boiler with Concentric Heat-Exchange Coils with Ash-Removal System5 Aug 2021US 2021/0239312 A1
Most cited
By later US patents
- Automatic boiler level controller63US 6,666,086 B2Clark-Reliance Corporation · 2003
- Boiler apparatus26US 4,437,968 AZerpol Corporation · 1984
- Tube lane manipulator, spraying head and corresponding spraying method for the high-pressure blowdown of heat exchangers22US 4,572,284 AKraftwerk Union Aktiengesellschaft · 1986
- Sequencing blow down valve mechanism20US 4,479,459 AInternational Telephone and Telegraph Corporation · 1984
- Steam boiler heat recovery apparatus19US 4,428,328 ADon Lee Supply, Inc. · 1984