B64C 11/04
Blade mountings
B64C11/04 (Blade mountings) appears on 429 US grants and 453 published applications in this corpus.
Search patents in B64C- Granted patents
- 429
- Published applications
- 453
- Assignees
- 146
- Inventors
- 712
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 4 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 5 |
| 2010 | 1 | 6 |
| 2011 | 1 | 8 |
| 2012 | 6 | 14 |
| 2013 | 4 | 14 |
| 2014 | 14 | 14 |
| 2015 | 13 | 15 |
| 2016 | 13 | 24 |
| 2017 | 17 | 29 |
| 2018 | 25 | 33 |
| 2019 | 33 | 47 |
| 2020 | 39 | 29 |
| 2021 | 37 | 37 |
| 2022 | 36 | 30 |
| 2023 | 37 | 42 |
| 2024 | 41 | 31 |
| 2025 | 44 | 24 |
| 2026 | 15 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Propulsor assembly with teeter mechanism6 Oct 2026US 12,752,908 B2Beta Air, LLC
- Energy recovery system and method for an aircraft6 Oct 2026US 12,752,925 B2Airbus Operations S.L.U.
- Adjusting pitch for airfoils of an aircraft propulsion system30 Jun 2026US 12,668,354 B2Rtx Corporation
- Nose cone26 May 2026US 12,637,201 B2Skydio, Inc.
- Slidable liners in swirl recovery vane structure26 May 2026US 12,638,025 B2Rtx Corporation
- Variable-pitch assembly for a turbomachine fan8 Oct 2026US 2026/0307778 A1Safran Aircraft Engines
- Propeller and method for safely releasing a ruptured blade8 Oct 2026US 2026/0307779 A1Airbus Operations S.L.U.
- Variable toroidal propeller1 Oct 2026US 2026/0296613 A1Alpraaz AB
- A method of forming an airfoil assembly having a composite spar10 Sep 2026US 2026/0264840 A1General Electric Company
- Rotor hub for propeller-driven aircraft, and assembly comprising such a rotor hub10 Sep 2026US 2026/0264841 A1Maxon International AG
Most cited
By later US patents
- Control system for blades for a variable pitch propeller63US 6,077,040 AUnited Technologies Corporation · 2000
- Propeller blade retention system43US 5,263,898 AGeneral Electric Company · 1993
- Rotor for a turbomachine40US 7,214,035 B22007
- Unmanned aerial vehicle systems and methods of use38US 10,054,939 B12018
- Impact resistant propeller system, fast response electric propulsion system and lightweight vertical take-off and landing aircraft using same36US 10,046,855 B2Joby Aero, Inc. · 2018