F22D 7/00
Auxiliary devices for promoting water circulation
F22D7/00 (Auxiliary devices for promoting water circulation) appears on 12 US grants and 11 published applications in this corpus.
Search patents in F22D- Granted patents
- 12
- Published applications
- 11
- Assignees
- 13
- Inventors
- 29
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 3 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for warmkeeping sub-critical steam generator12 Mar 2024US 11,927,344 B2General Electric Technology GmbH
- Exploiting compression heat in heat engines20 Apr 2021US 10,982,569 B2Exency Ltd.
- Exploiting condensation heat in heat engines6 Apr 2021US 10,968,786 B2Exency Ltd.
- Heat recovery device and method15 Sep 2020US 10,774,689 B2Mahle International GmbH
- Economizer water recirculation system for boiler exit gas temperature control in supercritical pressure boilers4 Jul 2017US 9,696,027 B2General Electric Technology GmbH
- System and method for warmkeeping sub-critical steam generator29 Jun 2023US 2023/0204206 A1General Electric Technology GmbH
- Exploiting internally generated heat in heat engines31 Oct 2019US 2019/0331006 A1Exency Ltd.
- Exploiting compression heat in heat engines15 Nov 2018US 2018/0328235 A1Exency Ltd.
- Heat recovery device and method24 May 2018US 2018/0142578 A1Mahle International GmbH
- Preheating of untreated water in power plants18 Jan 2018US 2018/0016947 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Steam generating apparatus and methods12US 4,573,323 AThe Garrett Corporation · 1986
- Jet pump having pressure responsive motive fluid control valve9US 4,631,004 AThe Garrett Corporation · 1986
- High-efficiency water heater dip tube and method for reducing turbulence in water heaters8US 7,861,678 B22011
- Jet pump in natural circulation fossil fuel fired steam generator4US 4,151,813 AFoster Wheeler Energy Corporation · 1979
- Forced circulation steam generator3US 4,183,331 A1980