F05D 2260/2322
Steam
Official title: steam
F05D2260/2322 (Steam) appears on 278 US grants and 163 published applications in this corpus.
Search patents in F05D- Granted patents
- 278
- Published applications
- 163
- Assignees
- 50
- Inventors
- 465
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 10 |
| 2002 | 26 | 16 |
| 2003 | 18 | 14 |
| 2004 | 10 | 13 |
| 2005 | 5 | 5 |
| 2006 | 13 | 2 |
| 2007 | 4 | 7 |
| 2008 | 2 | 4 |
| 2009 | 0 | 6 |
| 2010 | 5 | 3 |
| 2011 | 2 | 9 |
| 2012 | 5 | 3 |
| 2013 | 6 | 7 |
| 2014 | 5 | 4 |
| 2015 | 5 | 5 |
| 2016 | 7 | 6 |
| 2017 | 3 | 1 |
| 2018 | 2 | 5 |
| 2019 | 3 | 6 |
| 2020 | 6 | 6 |
| 2021 | 8 | 6 |
| 2022 | 6 | 3 |
| 2023 | 3 | 3 |
| 2024 | 11 | 14 |
| 2025 | 11 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inter-turbine burner in recuperation cycle engine17 Mar 2026US 12,577,907 B2Rtx Corporation
- Electrolyzer heating system for integrated power plants17 Feb 2026US 12,553,367 B2Mitsubishi Power Americas, Inc.
- Conduit preheating control2 Dec 2025US 12,486,981 B2General Electric Company
- Condenser for hydrogen steam injected turbine engine14 Oct 2025US 12,442,330 B2Rtx Corporation
- Gas turbine engine with water recovery system7 Oct 2025US 12,435,664 B2Pratt & Whitney Canada Corp.
- Turbine engine including a gas path component having a hydrophobic coating20 Mar 2025US 2025/0092822 A1General Electric Company
- Condenser for hydrogen steam injected turbine engine13 Mar 2025US 2025/0084787 A1Rtx Corporation
- Combustor27 Feb 2025US 2025/0067214 A1General Electric Company
- Steam heated flange for thermal gradient control6 Feb 2025US 2025/0043700 A1Rtx Corporation
- Inter-turbine burner in recuperation cycle engine23 Jan 2025US 2025/0027443 A1Rtx Corporation
Most cited
By later US patents
- Compression intercooled gas turbine combined cycle136US 4,896,499 A1990
- Recuperative steam cooled gas turbine method and apparatus94US 5,640,840 AWestinghouse Electric Corp. · 1997
- Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade93US 5,120,192 AKabushiki Kaisha Toshiba · 1992
- Closed or open circuit cooling of turbine rotor components86US 5,593,274 AGeneral Electric Company · 1997
- Turbine stator vane segments having combined air and steam cooling circuits84US 5,634,766 AGeneral Electric Company · 1997