F05D 2220/3218
For an intermediate stage of a compressor
Official title: for an intermediate stage of a compressor
F05D2220/3218 (For an intermediate stage of a compressor) appears on 46 US grants and 44 published applications in this corpus.
Search patents in F05D- Granted patents
- 46
- Published applications
- 44
- Assignees
- 14
- Inventors
- 116
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 0 | 10 |
| 2019 | 8 | 4 |
| 2020 | 13 | 7 |
| 2021 | 3 | 2 |
| 2022 | 9 | 1 |
| 2023 | 1 | 3 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas turbine engine2 Jun 2026US 12,644,386 B2General Electric Company
- High pressure clearance control system for gas turbine engine24 Feb 2026US 12,560,120 B2Rtx Corporation
- Compressor rotor blade airfoils4 Feb 2025US 12,215,599 B2GE Infrastructure Technology LLC
- Compressor bleed pressure recovery19 Nov 2024US 12,146,423 B2General Electric Company
- Compressor stator vane airfoils29 Oct 2024US 12,129,770 B1GE Infrastructure Technology LLC
- More compact aircraft propulsion system23 Jul 2026US 2026/0210297 A1Safran Aircraft Engines
- Gas turbine engine19 Jun 2025US 2025/0198290 A1General Electric Company
- Compressor rotor blade airfoils10 Apr 2025US 2025/0117905 A1GE Infrastructure Technology LLC
- Compressor rotor blade airfoils10 Oct 2024US 2024/0337188 A1GE Infrastructure Technology LLC
- Compressor bleed pressure recovery11 Jul 2024US 2024/0229664 A1General Electric Company
Most cited
By later US patents
- Intercooled cooling air with dual pass heat exchanger10US 9,850,819 B2United Technologies Corporation · 2017
- Active clearance control system and method for gas turbine9US 8,973,373 B2General Electric Company · 2015
- Airfoil shape for second stage compressor rotor blade4US 10,422,342 B2General Electric Company · 2019
- Bleed air systems for use with aircraft and related methods4US 11,078,841 B2The Boeing Company · 2021
- Compressor stator vane airfoils4US 11,459,892 B1General Electric Company · 2022