F01K 9/04
Plants characterised by condensers arranged or modified to co-operate with the engines
Official title: with dump valves to by-pass stages
F01K9/04 (Plants characterised by condensers arranged or modified to co-operate with the engines) appears on 46 US grants and 25 published applications in this corpus.
Search patents in F01K- Granted patents
- 46
- Published applications
- 25
- Assignees
- 27
- Inventors
- 105
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Combined power generation system and control method thereof20 May 2025US 12,305,542 B2Doosan Enerbility Co., Ltd.
- Combined cooling, heating and power system28 Mar 2023US 11,614,003 B2Shandong University
- Exhaust heat recovery system20 Jul 2021US 11,066,961 B2Kobe Steel, Ltd.
- Steam turbine plant14 Jul 2020US 10,711,652 B2Mitsubishi Hitachi Power Systems, Ltd.
- Control valve control method and control device, and power generating plant utilizing same11 Feb 2020US 10,557,379 B2Kabushiki Kaisha Toshiba
- Combined power generation system and control method thereof30 May 2024US 2024/0175379 A1Doosan Enerbility Co., Ltd.
- Steam bypass conduit29 Jul 2021US 2021/0231030 A1Siemens Energy Global GmbH & Co. KG
- Combined cooling, heating and power system25 Mar 2021US 2021/0087949 A1Shandong University
- Exhaust heat recovery system11 Jul 2019US 2019/0211713 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Steam turbine plant5 Oct 2017US 2017/0284228 A1Mitsubishi Hitachi Power Systems, Ltd.
Most cited
By later US patents
- Rankine cycle load limiting through use of a recuperator bypass50US 7,997,076 B2Cummins Inc. · 2011
- Turbine bypass desuperheater control system42US 4,372,125 AGeneral Electric Company · 1983
- Attemperator-deaerator condenser39US 4,391,101 AGeneral Electric Company · 1983
- Combined gas turbine and steam turbine power plant38US 4,081,956 AGeneral Electric Company · 1978
- Plate type pressure-reducting desuperheater25US 5,338,496 AAtwood & Morrill Co. · 1994