B64C 11/008
Propellers: characterised by vibration absorbing or balancing means
Official title: {characterised by vibration absorbing or balancing means}
B64C11/008 (Propellers: characterised by vibration absorbing or balancing means) appears on 88 US grants and 94 published applications in this corpus.
Search patents in B64C- Granted patents
- 88
- Published applications
- 94
- Assignees
- 42
- Inventors
- 201
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 6 |
| 2015 | 6 | 6 |
| 2016 | 4 | 1 |
| 2017 | 3 | 7 |
| 2018 | 5 | 4 |
| 2019 | 9 | 8 |
| 2020 | 7 | 9 |
| 2021 | 9 | 4 |
| 2022 | 4 | 6 |
| 2023 | 9 | 9 |
| 2024 | 6 | 6 |
| 2025 | 11 | 7 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propeller propulsion system for aircraft including means for adjusting the blade angle of the blades of the propeller and aircraft including such a propulsion system28 Jul 2026US 12,691,997 B2Airbus Operations GmbH
- Slidable liners in swirl recovery vane structure26 May 2026US 12,638,025 B2Rtx Corporation
- Blade manufacturing for vertical take-off dual-engine aircraft14 Apr 2026US 12,600,459 B1Anduril Industries, Inc.
- Methods and apparatus to reduce deflection of an airfoil7 Apr 2026US 12,595,740 B2General Electric Company
- Rotating airfoil assembly13 Jan 2026US 12,522,344 B2General Electric Company
- Tunable damping unit as a secondary load path for a movable element with actuator24 Sep 2026US 2026/0285474 A1Wisk Aero LLC
- Radially captured in situ balancing masses for aircraft powerplant28 May 2026US 2026/0146536 A1Pratt & Whitney Canada Corp.
- Slidable liners in swirl recovery vane structure30 Apr 2026US 2026/0117800 A1Rtx Corporation
- Tail-rotor vibration dampener system23 Apr 2026US 2026/0109450 A1The Boeing Company
- Turbofan engine including a fan actuation system23 Apr 2026US 2026/0109469 A1GE Avio S. r. l.
Most cited
By later US patents
- Noise reduction in aircraft propellers100US 5,190,441 AGeneral Electric Company · 1993
- Method for balancing a propulsive system having non-hull contra-rotating propellers36US 8,998,580 B2Airbus Operations GmbH · 2015
- Pinned airfoil propeller blade33US 5,022,824 AUnited Technologies Corporation · 1991
- Aircraft turbomachine fan comprising a balancing flange concealed by the inlet cone20US 8,215,910 B2Snecma · 2012
- Delivery sound masking and sound emission18US 9,646,597 B1Amazon Technologies, Inc. · 2017