F05D 2250/37
Circumferential
Official title: circumferential
F05D2250/37 (Circumferential) appears on 49 US grants and 67 published applications in this corpus.
Search patents in F05D- Granted patents
- 49
- Published applications
- 67
- Assignees
- 26
- Inventors
- 155
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 0 | 3 |
| 2017 | 1 | 5 |
| 2018 | 4 | 3 |
| 2019 | 5 | 4 |
| 2020 | 8 | 5 |
| 2021 | 3 | 9 |
| 2022 | 6 | 7 |
| 2023 | 4 | 1 |
| 2024 | 6 | 8 |
| 2025 | 4 | 5 |
| 2026 | 2 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Injector with injector elements in circumferential rows that alternate between counter-clockwise and clockwise swirl16 Jun 2026US 12,655,814 B2Aerojet Rocketdyne, Inc.
- Aircraft engine exhaust mixer having stiffened portions for attenuating vibration9 Jun 2026US 12,650,098 B2Pratt & Whitney Canada Corp.
- Outlet guide vane assembly for a turbofan engine9 Dec 2025US 12,492,642 B2General Electric Company
- Atmospheric re-entry vehicle with skewed base heat shield7 Oct 2025US 12,435,684 B2
- Circumferential row of vanes for a gas turbine engine and having non-uniform vane spacing9 Sep 2025US 12,410,722 B2General Electric Company
- Nozzle with Widely-Spaced Thrust Chambers, Engine Including the Nozzle, and Vehicle Including the Engine23 Apr 2026US 2026/0110280 A1STOKE Space Technologies, Inc.
- Gas turbine engine16 Apr 2026US 2026/0104167 A1ROLLS-ROYCE plc
- Improved Gas Turbine Engine9 Apr 2026US 2026/0098477 A1ROLLS-ROYCE plc
- Bearing anti-rotation and retention system for a gas turbine engine12 Mar 2026US 2026/0071554 A1Pratt & Whitney Canada Corp.
- Atmospheric re-entry vehicle with skewed heat shield18 Dec 2025US 2025/0382930 A1STOKE Space Technologies, Inc.
Most cited
By later US patents
- Acoustic liner with varied properties32US 10,066,548 B2United Technologies Corporation · 2018
- Method of reducing asymmetric fluid flow effects in a passage18US 9,091,174 B2ROLLS-ROYCE plc · 2015
- Methods and apparatus for assembling gas turbine engines17US 7,097,420 B2General Electric Company · 2006
- Gas turbine engine outlet guide vane assembly14US 11,401,824 B2General Electric Company · 2022
- Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine11US 9,039,357 B2Siemens Aktiengesellschaft · 2015