F05D 2270/54
By electronic means
Official title: by electronic means, e.g. electronic tubes, transistors or IC's within an electronic circuit
F05D2270/54 (By electronic means) appears on 148 US grants and 169 published applications in this corpus.
Search patents in F05D- Granted patents
- 148
- Published applications
- 169
- Assignees
- 53
- Inventors
- 342
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 3 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 7 |
| 2005 | 5 | 6 |
| 2006 | 8 | 3 |
| 2007 | 3 | 3 |
| 2008 | 1 | 6 |
| 2009 | 2 | 3 |
| 2010 | 6 | 5 |
| 2011 | 2 | 3 |
| 2012 | 2 | 7 |
| 2013 | 4 | 3 |
| 2014 | 5 | 5 |
| 2015 | 5 | 2 |
| 2016 | 4 | 18 |
| 2017 | 6 | 13 |
| 2018 | 15 | 28 |
| 2019 | 22 | 8 |
| 2020 | 14 | 16 |
| 2021 | 16 | 8 |
| 2022 | 4 | 3 |
| 2023 | 8 | 4 |
| 2024 | 5 | 4 |
| 2025 | 3 | 5 |
| 2026 | 0 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Transfer of power between the high-pressure shaft and the low-pressure shaft of a turbomachine23 Sep 2025US 12,421,902 B2Safran Helicopter Engines
- System and method for an in-conduit hydroturbine25 Mar 2025US 12,258,868 B2Inpipe Energy, Inc.
- Fluid actuator operability improvement with fast energy storage18 Mar 2025US 12,252,993 B1
- Stator vane control system with magnetic actuation rotor for gas turbine engines19 Nov 2024US 12,146,414 B2Rolls-Royce North American Technologies Inc.
- Control logic for thrust link whiffle-tree hinge positioning for improved clearances3 Sep 2024US 12,079,735 B2General Electric Company
- Electric pump with printed circuit board stator11 Jun 2026US 2026/0160255 A1
- Self-powered telemetry package21 May 2026US 2026/0139605 A1Rtx Corporation
- Interchanging drive train system7 May 2026US 2026/0126015 A1Solar Turbines Incorporated
- Control Logic for Thrust Link Whiffle-Tree Hinge Positioning for Improved Clearances12 Mar 2026US 2026/0073240 A1General Electric Company
- Systems and methods for starting an aircraft engine in cold conditions11 Dec 2025US 2025/0376266 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Gas turbine engine fuel control system48US 6,487,847 B1General Electric Company · 2002
- Gas turbine aeroengine control system36US 6,353,790 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Method and system of flutter control for rotary compression systems35US 6,582,183 B2United Technologies Corporation · 2003
- Microprocessor-based control system for gas turbine electric powerplant29US 6,789,000 B1Altek Power Corporation · 2004
- Feedback control system and method that selectively utilizes observer estimates28US 7,630,820 B2Honeywell International Inc. · 2009