F05D 2220/3213
An intermediate stage of the turbine
Official title: an intermediate stage of the turbine
F05D2220/3213 (An intermediate stage of the turbine) appears on 65 US grants and 72 published applications in this corpus.
Search patents in F05D- Granted patents
- 65
- Published applications
- 72
- Assignees
- 22
- Inventors
- 188
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 1 | 14 |
| 2017 | 3 | 1 |
| 2018 | 6 | 6 |
| 2019 | 5 | 6 |
| 2020 | 12 | 11 |
| 2021 | 8 | 5 |
| 2022 | 4 | 3 |
| 2023 | 5 | 1 |
| 2024 | 1 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas generator turbine blades in gas turbine engines13 Jan 2026US 12,523,154 B1GE AEROSPACE POLAND sp. z o. o.
- Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method16 Dec 2025US 12,497,898 B2GE Infrastructure Technology LLC
- Gas turbine engine with bow wave mitigation14 Oct 2025US 12,442,304 B1General Electric Company
- Gas turbine engine temperature measurement system21 Jan 2025US 12,203,379 B2ROLLS-ROYCE plc
- Variable guide vane sealing9 Apr 2024US 11,952,900 B2General Electric Company
- Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method26 Feb 2026US 2026/0055709 A1GE Vernova Infrastructure Technology LLC
- Gas turbine engine temperature measurement system19 Sep 2024US 2024/0309777 A1ROLLS-ROYCE plc
- Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method16 May 2024US 2024/0159154 A1General Electric Company
- Variable guide vane sealing19 Jan 2023US 2023/0014436 A1General Electric Company
- Turbine blade tip shroud with axially offset cutter teeth, and related surface profiles and method27 Oct 2022US 2022/0341332 A1General Electric Company
Most cited
By later US patents
- Airfoil shape for a turbine bucket42US 6,779,977 B2General Electric Company · 2004
- HP turbine vane airfoil profile20US 8,100,659 B2Pratt & Whitney Canada Corp. · 2012
- Internal core profile for a turbine bucket19US 6,761,535 B1General Electric Company · 2004
- Gas turbine with optimized airfoil element angles17US 8,864,457 B2Siemens Energy, Inc. · 2014
- Cooling apparatus for a mid-turbine frame15US 8,863,531 B2United Technologies Corporation · 2014