F05D 2270/44
Active, predictive, or anticipative
Official title: active, predictive, or anticipative
F05D2270/44 (Active, predictive, or anticipative) appears on 328 US grants and 392 published applications in this corpus.
Search patents in F05D- Granted patents
- 328
- Published applications
- 392
- Assignees
- 106
- Inventors
- 855
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 7 | 7 |
| 2005 | 1 | 6 |
| 2006 | 2 | 5 |
| 2007 | 6 | 6 |
| 2008 | 6 | 9 |
| 2009 | 4 | 9 |
| 2010 | 9 | 14 |
| 2011 | 3 | 6 |
| 2012 | 9 | 7 |
| 2013 | 9 | 12 |
| 2014 | 9 | 18 |
| 2015 | 9 | 29 |
| 2016 | 17 | 31 |
| 2017 | 25 | 29 |
| 2018 | 24 | 23 |
| 2019 | 28 | 22 |
| 2020 | 27 | 34 |
| 2021 | 23 | 32 |
| 2022 | 30 | 23 |
| 2023 | 35 | 23 |
| 2024 | 17 | 18 |
| 2025 | 20 | 12 |
| 2026 | 4 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronically driven lubrication system on gas turbine engines2 Jun 2026US 12,644,411 B2Rtx Corporation
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation5 May 2026US 12,618,385 B2General Electric Company
- Device for assisting with regulation of propellers of aeronautical turbomachinery31 Mar 2026US 12,589,859 B2Safran Aircraft Engines
- Rapid active clearance control system of inter stage and mid-seals17 Mar 2026US 12,577,884 B2General Electric Company
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation30 Dec 2025US 12,510,020 B2General Electric Company
- Hybrid-electric propulsion system equipped with a coupler for switching between modes of operation17 Sep 2026US 2026/0275941 A1General Electric Company
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251072 A1Pratt & Whitney Canada Corp.
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251073 A1Pratt & Whitney Canada Corp.
- Plant control device and calculation amount changeability determination method30 Jul 2026US 2026/0221771 A1Hitachi, Ltd.
- Eddy current tip timing sensor used for blade-tip deicing23 Jul 2026US 2026/0208866 A1Rtx Corporation
Most cited
By later US patents
- Adaptive model-based control systems and methods for controlling a gas turbine225US 6,823,675 B2General Electric Company · 2004
- Method and system for controlling distortion of turbine case due to thermal variations99US 6,691,019 B2General Electric Company · 2004
- Decision making process and manual for diagnostic trend analysis53US 6,591,182 B1General Electric Company · 2003
- Aircraft gas turbine engine blade tip clearance control52US 8,126,628 B2General Electric Company · 2012
- Gas turbine engine having a multi-variable closed loop controller for regulating tip clearance52US 9,255,492 B2ROLLS-ROYCE plc · 2016