B64D 35/00
Transmitting power from power plants to propellers or rotors
Official title: Transmitting power from power plants to propellers or rotors; Arrangements of transmissions
B64D35/00 (Transmitting power from power plants to propellers or rotors) appears on 1,440 US grants and 1,689 published applications in this corpus.
Search patents in B64D- Granted patents
- 1,440
- Published applications
- 1,689
- Assignees
- 330
- Inventors
- 2,299
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 5 |
| 2003 | 3 | 6 |
| 2004 | 5 | 2 |
| 2005 | 4 | 7 |
| 2006 | 3 | 7 |
| 2007 | 2 | 5 |
| 2008 | 1 | 5 |
| 2009 | 6 | 10 |
| 2010 | 1 | 8 |
| 2011 | 6 | 11 |
| 2012 | 5 | 13 |
| 2013 | 4 | 13 |
| 2014 | 19 | 29 |
| 2015 | 20 | 41 |
| 2016 | 29 | 43 |
| 2017 | 37 | 110 |
| 2018 | 58 | 138 |
| 2019 | 95 | 128 |
| 2020 | 132 | 181 |
| 2021 | 132 | 146 |
| 2022 | 126 | 158 |
| 2023 | 174 | 165 |
| 2024 | 198 | 193 |
| 2025 | 201 | 125 |
| 2026 | 113 | 140 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Clutch assembly for a hybrid-electric aircraft propulsion system29 Sep 2026US 12,747,028 B1Pratt & Whitney Canada Corp.
- Electric propulsion device with hollow shaft and cooling blades and support body with heat member on outer surface29 Sep 2026US 12,747,029 B2Mitsubishi Heavy Industries, Ltd.
- Clutch assembly for an aircraft propulsion system gear train29 Sep 2026US 12,747,776 B2Pratt & Whitney Canada Corp.
- Shaft assembly for an aircraft engine22 Sep 2026US 12,741,750 B1Pratt & Whitney Canada Corp.
- Aircraft powerplant with multi-circuit heat exchanger1 Sep 2026US 12,723,544 B1Rtx Corporation
- System and method of rotor management8 Oct 2026US 2026/0307786 A1Beta Air, LLC
- Module for detecting a battery level of charge, assembly comprising the module, and aircraft comprising the assembly8 Oct 2026US 2026/0309789 A1Safran Electrical & Power
- Hybrid propulsion system cockpit interface8 Oct 2026US 2026/0310252 A1Rolls-Royce Deutschland Ltd & Co KG
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- Control assembly for aircraft propulsion systems24 Sep 2026US 2026/0285492 A1Pratt & Whitney Canada Corp.
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- On-board redundant power system for unmanned aerial vehicles142US 9,376,208 B1Amazon Technologies, Inc. · 2016
- VTOL aircraft control using opposed tilting of its dual propellers or fans136US 6,719,244 B12004