B64D 35/025
Of parallel type
Official title: of parallel type
B64D35/025 (Of parallel type) appears on 150 US grants and 188 published applications in this corpus.
Search patents in B64D- Granted patents
- 150
- Published applications
- 188
- Assignees
- 53
- Inventors
- 288
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 5 |
| 2015 | 3 | 0 |
| 2016 | 3 | 2 |
| 2017 | 0 | 5 |
| 2018 | 5 | 12 |
| 2019 | 4 | 11 |
| 2020 | 13 | 20 |
| 2021 | 7 | 21 |
| 2022 | 9 | 19 |
| 2023 | 24 | 19 |
| 2024 | 29 | 33 |
| 2025 | 30 | 18 |
| 2026 | 20 | 17 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Electrical energy system for barring rotor25 Aug 2026US 12,715,597 B2Rolls-Royce North American Technologies Inc.
- Independent mitigation for isolation of electric motor25 Aug 2026US 12,719,398 B2Pratt & Whitney Canada Corp.
- Hybrid aircraft power plant and method of operation18 Aug 2026US 12,709,399 B2Pratt & Whitney Canada Corp.
- System and method for operating a hybrid aircraft power plant18 Aug 2026US 12,709,402 B2Pratt & Whitney Canada Corp.
- Systems and methods for controlling an electric motor of an aircraft propulsion system11 Aug 2026US 12,703,495 B2Pratt & Whitney Canada Corp.
- Hybrid propulsion system cockpit interface8 Oct 2026US 2026/0310252 A1Rolls-Royce Deutschland Ltd & Co KG
- Aircraft Hybrid Electric Propulsion System20 Aug 2026US 2026/0242066 A1Pratt & Whitney Canada Corp.
- Gearbox with integrated mechanical disconnect30 Jul 2026US 2026/0217380 A1Pratt & Whitney Canada Corp.
- Electrical supply circuit for a turbine engine, turbine engine and aircraft comprising such a turbine engine23 Jul 2026US 2026/0208874 A1Safran Helicopter Engines
- Aircraft and a power unit thereof23 Jul 2026US 2026/0213612 A1
Most cited
By later US patents
- Electrical architecture for a rotary wing aircraft with a hybrid power plant48US 8,757,542 B2Airbus Helicopters · 2014
- Hybrid propulsion system for a gas turbine engine including a fuel cell46US 10,774,741 B2General Electric Company · 2020
- Hybrid drive for an aircraft43US 8,640,439 B2Airbus Operations GmbH · 2014
- Method of managing an engine failure on a multi-engined aircraft having a hybrid power plant42US 9,008,942 B2Airbus Helicopters · 2015
- Hybrid contingency power drive system35US 10,040,566 B2Sikorsky Aircraft Corporation · 2018