F22D 1/50
Incorporating thermal de-aeration of feed-water
Official title: incorporating thermal de-aeration of feed-water (de-aeration produced in the course of direct heat transfer F22D1/28)
F22D1/50 (Incorporating thermal de-aeration of feed-water) appears on 13 US grants and 15 published applications in this corpus.
Search patents in F22D- Granted patents
- 13
- Published applications
- 15
- Assignees
- 21
- Inventors
- 57
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 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 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 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 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 3 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for warmkeeping sub-critical steam generator12 Mar 2024US 11,927,344 B2General Electric Technology GmbH
- Solar aided coal-fired power generation system participating in primary frequency regulation and control method thereof1 Feb 2022US 11,236,633 B2Xi' An Jiaotong University
- Spray nozzle and deaerator8 Dec 2020US 10,859,258 B2Mitsubishi Power, Ltd.
- Deaerator (options)21 Jul 2020US 10,718,510 B2Joint-Stock Company Scientific Research and Design Institute for Energy Technologies Atomproekt
- Deaerator31 Mar 2020US 10,605,533 B2Doosan Heavy Industries Construction Co., Ltd
- Method for Generating Steam and Steam Generation Device20 Aug 2026US 2026/0243418 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- System and method for treating wastewater from an oilfield well with co-production of power26 Feb 2026US 2026/0055009 A1Nuovo Pignone Tecnologie Srl
- Solid electric thermal storage superheated steam output system1 May 2025US 2025/0137636 A1
- Energy storage and steam generation system and method6 Mar 2025US 2025/0075899 A1China Huadian Engineering Co., Ltd.
- System and method for warmkeeping sub-critical steam generator29 Jun 2023US 2023/0204206 A1General Electric Technology GmbH
Most cited
By later US patents
- Deaerator tray for a steam boiler feedwater heater system17US 4,759,315 ACrane Co. · 1988
- Deaerator pressure control system11US 4,819,436 AGeneral Electric Company · 1989
- Condenser for the water-steam loop of a power plant, in particular a nuclear power plant8US 4,958,679 ASiemens Aktiengesellschaft · 1990
- Device and method for degassing make-up water for a steam turbine process6US 5,595,063 ABDAG Balcke-Durr Aktiengesellschaft · 1997
- Apparatus for supplying feedwater to a steam generator4US 4,089,304 AWaagner-Biro Aktiengesellschaft · 1978