F05B 2220/301
In steam turbines
Official title: in steam turbines
F05B2220/301 (In steam turbines) appears on 29 US grants and 35 published applications in this corpus.
Search patents in F05B- Granted patents
- 29
- Published applications
- 35
- Assignees
- 18
- Inventors
- 78
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 4 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 4 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 5 |
| 2016 | 4 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal energy storage system for use with a low temperature heat source and a thermal power cycle system21 Apr 2026US 12,607,170 B2Rondo Energy, Inc.
- Solar-powered, temperature cascading system for electricity generation27 Aug 2024US 12,071,938 B2King Abdullah University of Science and Technology
- Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles18 Jun 2024US 12,012,873 B2
- System and methods for integration of concentrated solar steam generators to Rankine cycle power plants19 Sep 2023US 11,761,622 B2
- Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles26 Jul 2022US 11,396,829 B2
- Thermal Energy Storage System for Use with a Low Temperature Heat Source and a Thermal Power Cycle System15 Jan 2026US 2026/0015994 A1Rondo Energy, Inc.
- A solar-powered, temperature cascading system for electricity generation21 Sep 2023US 2023/0296087 A1King Abdullah University of Science and Technology
- Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles13 Oct 2022US 2022/0325641 A1Boundary Energy Inc.
- System and methods for integration of concentrated solar steam generators to rankine cycle power plants23 Sep 2021US 2021/0293406 A1
- Stress mitigating arrangement for working fluid dam in turbine system17 Jun 2021US 2021/0180468 A1General Electric Company
Most cited
By later US patents
- Flexible cloth seal assembly35US 5,915,697 AGeneral Electric Company · 1999
- Carbon seal contaminant barrier system34US 5,813,830 AAllison Engine Company, Inc. · 1998
- Method and system integrating solar heat into a regenerative rankine steam cycle22US 7,640,746 B2Markon Technologies, LLC · 2010
- System and method for operating a steam turbine with capability for bumplessly changing the system configuration on-line by means of system parameter changes17US 4,427,896 AWestinghouse Electric Corp. · 1984
- High strength heat resisting cast steel, steam turbine casing, steam turbine power plant and steam turbine16US 5,961,284 AHitachi, Ltd. · 1999