F01K 9/023
Control thereof
Official title: {Control thereof}
F01K9/023 (Control thereof) appears on 39 US grants and 24 published applications in this corpus.
Search patents in F01K- Granted patents
- 39
- Published applications
- 24
- Assignees
- 23
- Inventors
- 88
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 1 |
| 2018 | 5 | 4 |
| 2019 | 3 | 4 |
| 2020 | 5 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Complete bearing-sealed root vacuum pump system capable of promoting vacuum ability of condenser of power plant4 Apr 2023US 11,619,231 B1Elvac Co., Ltd
- Gland steam condenser for a combined cycle power plant and methods of operating the same28 Jun 2022US 11,371,395 B2General Electric Company
- Heat engine1 Jun 2021US 11,022,006 B2Spirax-Sarco Limited
- Condensate and feedwater system of steam power plant and operation method for the same20 Apr 2021US 10,982,567 B2Mitsubishi Power, Ltd.
- Thermal power generation system and control method for same6 Apr 2021US 10,968,783 B2Mitsubishi Power, Ltd.
- Gland steam condenser for a combined cycle power plant and methods of operating the same3 Mar 2022US 2022/0065138 A1General Electric Company
- Power saving vacuum machine for improving vacuum ability of condenser of thermal power generator30 Sep 2021US 2021/0301824 A1
- Heat engine17 Sep 2020US 2020/0291824 A1Spirax-Sarco Limited
- Condensate and Feedwater System of Steam Power Plant and Operation Method for the Same27 Aug 2020US 2020/0271019 A1Mitsubishi Hitachi Power Systems, Ltd.
- Binary power generation system and stopping method for same19 Dec 2019US 2019/0383176 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Most cited
By later US patents
- Power plant52US 9,512,741 B2Fuji Electric Co., Ltd. · 2016
- Power plant27US 4,069,674 A1978
- Apparatus and method for restricting turbine exhaust velocity within a predetermined range13US 4,165,616 AWestinghouse Electric Corp. · 1979
- Method and apparatus for feed-water control in a steam generating plant12US 4,651,530 AHitachi, Ltd. · 1987
- Method and device for feeding a system for generating and distributing vapor condensable into make-up liquid11US 4,227,489 A1980