F05D 2220/764
Of the alternating current type
Official title: of the alternating current (A.C.) type
F05D2220/764 (Of the alternating current type) appears on 121 US grants and 150 published applications in this corpus.
Search patents in F05D- Granted patents
- 121
- Published applications
- 150
- Assignees
- 71
- Inventors
- 274
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 3 | 6 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 4 | 5 |
| 2012 | 4 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 2 |
| 2015 | 6 | 8 |
| 2016 | 1 | 13 |
| 2017 | 4 | 3 |
| 2018 | 7 | 13 |
| 2019 | 11 | 17 |
| 2020 | 22 | 14 |
| 2021 | 7 | 10 |
| 2022 | 13 | 9 |
| 2023 | 11 | 6 |
| 2024 | 6 | 7 |
| 2025 | 8 | 10 |
| 2026 | 3 | 8 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods for stabilization of DC bus voltage in a hybrid-electric aircraft18 Aug 2026US 12,710,009 B2VerdeGo Aero, Inc.
- Fuel endothermic reaction to cool a load10 Feb 2026US 12,545,841 B2The Government of the United States, as represented by the Secretary of the Army
- Computer-controlled power takeoff driven motorized pump system27 Jan 2026US 12,535,074 B2Lovis, LLC
- Electromagnetic inducer for gas turbine rotating turbomachinery21 Oct 2025US 12,448,893 B1Pratt & Whitney Canada Corp.
- Aircraft power and propulsion systems comprising permanent magnet electrical machines16 Sep 2025US 12,416,244 B2ROLLS-ROYCE plc
- Bidirectional flowthrough turboexpander6 Aug 2026US 2026/0226844 A1Calnetix Technologies, LLC
- Power transfer assembly for an aircraft propulsion system23 Jul 2026US 2026/0210265 A1Rtx Corporation
- Computer-controlled power takeoff driven motorized pump system4 Jun 2026US 2026/0153090 A1Lovis, LLC
- Self-powered telemetry package21 May 2026US 2026/0139605 A1Rtx Corporation
- Control Device, Moving Object, and Control Method5 Feb 2026US 2026/0036062 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Mobile hydraulic fracturing system and related methods170US 10,815,978 B2Supreme Electrical Services, Inc. · 2020
- Control of fuel flow for power generation based on DC link level106US 11,008,950 B2Dynamo Micropower Corporation · 2021
- Systems and methods for starting aircraft engines92US 7,513,119 B2The Boeing Company · 2009
- Systems and methods for providing AC power from multiple turbine engine spools45US 8,039,983 B2The Boeing Company · 2011
- Turbojet having an electricity generator arranged in its fan39US 7,952,244 B2Snecma · 2011