F22D 1/34
And returning condensate to boiler with main feed supply
Official title: and returning condensate to boiler with main feed supply
F22D1/34 (And returning condensate to boiler with main feed supply) appears on 10 US grants and 13 published applications in this corpus.
Search patents in F22D- Granted patents
- 10
- Published applications
- 13
- Assignees
- 12
- Inventors
- 32
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 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 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Gas turbine and pressurized water reactor steam turbine combined circulation system13 Aug 2019US 10,378,389 B2
- Steam boiler system and method of circulating water and steam in a steam boiler system19 Dec 2024US 2024/0418361 A1Maxi-Therme Inc.
- Steam boiler system and method of circulating water and steam in a steam boiler system8 Jun 2023US 2023/0175685 A1Maxi-Therme Inc.
- Flexible coal-fired power generation system and operation method thereof4 Feb 2021US 2021/0033004 A1Xi' An Jiaotong University
- Boiler Feed Tank Energy Recapture System23 Jan 2020US 2020/0025367 A1Daniel Steam, Inc.
- Gas turbine and pressurized water reactor steam turbine combined circulation system6 Jun 2019US 2019/0170020 A1
Most cited
By later US patents