B64D 35/04
Transmitting power from power plants to propellers or rotors: characterised by the
Official title: characterised by the transmission driving a plurality of propellers or rotors
B64D35/04 (Transmitting power from power plants to propellers or rotors: characterised by the) appears on 343 US grants and 404 published applications in this corpus.
Search patents in B64D- Granted patents
- 343
- Published applications
- 404
- Assignees
- 133
- Inventors
- 585
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 3 |
| 2004 | 5 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 5 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 5 |
| 2012 | 2 | 6 |
| 2013 | 3 | 5 |
| 2014 | 9 | 5 |
| 2015 | 7 | 17 |
| 2016 | 4 | 10 |
| 2017 | 14 | 44 |
| 2018 | 13 | 39 |
| 2019 | 22 | 37 |
| 2020 | 47 | 45 |
| 2021 | 42 | 46 |
| 2022 | 32 | 29 |
| 2023 | 33 | 35 |
| 2024 | 42 | 30 |
| 2025 | 34 | 15 |
| 2026 | 14 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft with an unducted fan propulsor18 Aug 2026US 12,709,398 B2General Electric Company
- Systems and methods for improved rotor assembly for use with a stator11 Aug 2026US 12,703,484 B2MagLev Aero Inc.
- Propulsion system having fluidly separate lubrication systems for propulsors and turbo-engine11 Aug 2026US 12,704,096 B2General Electric Company
- Rotor flight vehicle28 Jul 2026US 12,691,386 B2ACC Innovation AB
- Reconfigurable unmanned vehicles16 Jun 2026US 12,654,839 B2Texas Tech University System
- Vertical take-off and landing aircraft3 Sep 2026US 2026/0257806 A1
- Aircraft propulsion system with modular open propulsor rotor assembly30 Jul 2026US 2026/0217361 A1Rtx Corporation
- Manned and unmanned aircraft9 Jul 2026US 2026/0192948 A1Dronexus Aero LLC
- Hybrid electric aircraft including fuel pod with electrical interface2 Apr 2026US 2026/0091881 A1Beta Air, LLC
- Systems and methods for vertical takeoff and landing vehicle with ultra-reliable low latency communications wireless flight control26 Mar 2026US 2026/0084804 A1MagLev Aero Inc.
Most cited
By later US patents
- Sky hopper179US 7,472,863 B22009
- VTOL aircraft control using opposed tilting of its dual propellers or fans136US 6,719,244 B12004
- Aircraft capable of vertical and short take-off and landing116US 7,267,300 B2The Boeing Company · 2007
- Multi-purpose aircraft88US 5,645,250 A1997
- Aircraft and torque transmission80US 6,467,726 B12002