F01K 23/106
With water evaporated or preheated at different pressures in exhaust boiler
Official title: {with water evaporated or preheated at different pressures in exhaust boiler}
F01K23/106 (With water evaporated or preheated at different pressures in exhaust boiler) appears on 292 US grants and 182 published applications in this corpus.
Search patents in F01K- Granted patents
- 292
- Published applications
- 182
- Assignees
- 72
- Inventors
- 487
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 16 | 0 |
| 2001 | 19 | 12 |
| 2002 | 19 | 5 |
| 2003 | 13 | 10 |
| 2004 | 9 | 15 |
| 2005 | 9 | 2 |
| 2006 | 4 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 6 |
| 2010 | 3 | 16 |
| 2011 | 3 | 3 |
| 2012 | 4 | 6 |
| 2013 | 5 | 8 |
| 2014 | 5 | 7 |
| 2015 | 6 | 8 |
| 2016 | 9 | 7 |
| 2017 | 3 | 8 |
| 2018 | 4 | 15 |
| 2019 | 9 | 10 |
| 2020 | 13 | 9 |
| 2021 | 11 | 7 |
| 2022 | 7 | 5 |
| 2023 | 10 | 5 |
| 2024 | 4 | 6 |
| 2025 | 6 | 3 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for hydraulically actuating main and bypass valves of a steam turbine30 Sep 2025US 12,428,972 B2GE Infrastructure Technology LLC
- Fuel supply system for a combustor30 Sep 2025US 12,429,223 B2GE Vernova Infrastructure Technology LLC
- Combined cycle power generation facility2 Sep 2025US 12,404,805 B2Kabushiki Kaisha Toshiba
- Gas turbine plant with ammonia decomposition system1 Apr 2025US 12,264,621 B2Doosan Enerbility Co., Ltd.
- Combined power generation system and operation control method thereof25 Mar 2025US 12,258,885 B2Doosan Enerbility Co., Ltd.
- Steam supply system and steam supply method24 Sep 2026US 2026/0286868 A1Mitsubishi Heavy Industries, Ltd.
- Integrated once through cooler water and steam sharing system for multi-unit gas turbine combined cycle power blocks23 Apr 2026US 2026/0110255 A1ACWA POWER Company
- Electrolysis energy recovery29 Jan 2026US 2026/0028934 A1Rtx Corporation
- Fuel supply system for a combustor1 Jan 2026US 2026/0002673 A1GE Vernova Infrastructure Technology LLC
- Combined cycle power generation facility15 May 2025US 2025/0154884 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- System and method for heat recovery in a combined cycle power plant105US 4,976,100 AWestinghouse Electric Corp. · 1990
- Supercritical combined cycle for generating electric power76US 6,820,428 B2Wylie Inventions Company, Inc. · 2004
- Control apparatus for controlling the operation of a gas turbine inlet guide vane assembly and heat recovery steam generator for a steam turbine employed in a combined cycle electric power generating plant65US 4,028,884 AWestinghouse Electric Corp. · 1977
- Combined gas turbine and steam turbine power station65US 4,424,668 ABBC Brown, Boveri & Company, Limited · 1984