F23K 2300/203
Purging
F23K2300/203 (Purging) appears on 24 US grants and 28 published applications in this corpus.
Search patents in F23K- Granted patents
- 24
- Published applications
- 28
- Assignees
- 14
- Inventors
- 92
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for liquid fuel flushing for dual fuel turbines30 Sep 2025US 12,428,994 B2GE Infrastructure Technology LLC
- System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly10 Dec 2024US 12,163,474 B2Pratt & Whitney Canada Corp.
- System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly19 Dec 2023US 11,846,236 B2Pratt & Whitney Canada Corp.
- System and method for fuel nozzle cleaning during engine operation19 Sep 2023US 11,761,386 B2General Electric Company
- System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly19 Jul 2022US 11,391,214 B2Pratt & Whitney Canada Corp.
- System and method for liquid fuel flushing for dual fuel turbines8 May 2025US 2025/0146667 A1GE Infrastructure Technology LLC
- Mobile heating device, and method for operating a mobile heating device24 Oct 2024US 2024/0353101 A1
- System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly7 Mar 2024US 2024/0077032 A1Pratt & Whitney Canada Corp.
- System and method for purging a fuel manifold of a gas turbine engine using a flow divider assembly22 Sep 2022US 2022/0298972 A1Pratt & Whitney Canada Corp.
- System and method for fuel nozzle cleaning during engine operation15 Sep 2022US 2022/0290620 A1General Electric Company
Most cited
By later US patents
- Methods and apparatus for a combustion turbine fuel recirculation system and nitrogen purge system173US 7,721,521 B2General Electric Company · 2010
- Methods and apparatus for a combustion turbine nitrogen purge system171US 7,730,711 B2General Electric Company · 2010
- Anti-coking fuel injector purging device58US 6,125,624 APratt & Whitney Canada Corp. · 2000
- Liquid fuel and water injection purge systems and method for a gas turbine having a three-way purge valve47US 6,438,963 B1General Electric Company · 2002
- Method and device for purging a gas turbine liquid fuel injection system6US 9,121,352 B2GE Energy Products France SNC · 2015