F22G 3/008
Protection of superheater elements
Official title: {Protection of superheater elements, e.g. cooling superheater tubes during starting-up periods, water tube screens}
F22G3/008 (Protection of superheater elements) appears on 14 US grants and 22 published applications in this corpus.
Search patents in F22G- Granted patents
- 14
- Published applications
- 22
- Assignees
- 15
- Inventors
- 56
- Latest grant
- 20 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-temperature reheater anti-friction device20 Sep 2022US 11,448,395 B1
- Combined cycle power plant17 Mar 2020US 10,590,807 B2General Electric Company
- Method and device for protecting heat exchanger pipes and a ceramic component31 Dec 2019US 10,520,266 B2Martin GmbH fuer Umwelt- und Energietechnik
- Method and device for producing superheated steam by means of the heat produced in the boiler of an incineration plant16 Apr 2019US 10,260,740 B2Hitachi Zosen Inova AG
- Housing for drain outlet18 Oct 2016US 9,469,976 B1
- Superheated steam generator21 May 2026US 2026/0139828 A1Tokuden Co., Ltd.
- Superheated steam generator21 May 2026US 2026/0139829 A1Tokuden Co., Ltd.
- Method and device for producing superheated steam by means of the heat produced in the boiler of an incineration plant13 Jul 2017US 2017/0198901 A1Hitachi Zosen Inova AG
- Housing for drain outlet2 Feb 2017US 2017/0030511 A1
- Housing for drain outlet29 Sep 2016US 2016/0281339 A1
Most cited
By later US patents
- Method for upgrading a boiler16US 6,178,924 B2Kvaerner Pulping AB · 2001
- Power plant9US 9,222,410 B2General Electric Company · 2015
- Housing for drain outlet7US 9,469,976 B12016
- Structure of a super heater3US 9,371,987 B2Valmet Technologies Oy · 2016
- Combined cycle power plant2US 10,590,807 B2General Electric Company · 2020