B64C 13/504
Using electro-hydrostatic actuators [eha's]
Official title: {using electro-hydrostatic actuators [EHA's]}
B64C13/504 (Using electro-hydrostatic actuators [eha's]) appears on 96 US grants and 100 published applications in this corpus.
Search patents in B64C- Granted patents
- 96
- Published applications
- 100
- Assignees
- 49
- Inventors
- 190
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 2 | 4 |
| 2008 | 0 | 1 |
| 2009 | 3 | 3 |
| 2010 | 1 | 6 |
| 2011 | 2 | 4 |
| 2012 | 3 | 2 |
| 2013 | 3 | 5 |
| 2014 | 3 | 3 |
| 2015 | 5 | 9 |
| 2016 | 3 | 3 |
| 2017 | 7 | 9 |
| 2018 | 4 | 9 |
| 2019 | 5 | 7 |
| 2020 | 8 | 4 |
| 2021 | 9 | 5 |
| 2022 | 6 | 5 |
| 2023 | 3 | 5 |
| 2024 | 6 | 1 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic actuator and method for operating5 May 2026US 12,618,420 B2Airbus Operations GmbH
- Method for filling a hydraulic circuit of an electro-hydrostatic system using a filling device28 Jan 2025US 12,209,602 B2Safran Landing Systems
- Hydraulic actuator including a multi-head piston for hydraulic gearing21 Jan 2025US 12,203,491 B2Hamilton Sundstrand Corporation
- Actuator control for force fight mitigation26 Nov 2024US 12,151,804 B2Goodrich Actuation Systems Limited
- Hydraulic actuator including a multi-head piston for hydraulic gearing19 Nov 2024US 12,145,719 B2Hamilton Sundstrand Corporation
- Actuator system, aircraft, and method6 Aug 2026US 2026/0226925 A1Liebherr-Aerospace Lindenberg GmbH
- Mounting and adjustment device for an adjustment element of an aircraft, in particular for a control surface, wing tip or door of an aircraft16 Jul 2026US 2026/0201911 A1Liebherr-Aerospace Lindenberg GmbH
- Flight control system having an electric actuator for controlling a hydraulic servo control18 Jun 2026US 2026/0167325 A1Airbus Helicopters
- Actuator assembly architecture4 Dec 2025US 2025/0368319 A1Goodrich Actuation Systems Limited
- Axially Aligned Triplex Linear Hydraulic Actuators9 Oct 2025US 2025/0313333 A1Textron Innovations Inc.
Most cited
By later US patents
- Electrohydraulic actuator64US 6,796,120 B2Snecma Moteurs · 2004
- Electro-hydraulic actuator system52US 7,191,593 B1Northrop Grumman Corporation · 2007
- Electronically controlled hydraulic actuating system51US 6,625,982 B2Airbus France · 2003
- Electrohydraulic actuator for aircraft control surfaces49US 4,630,441 AThe Boeing Company · 1986
- Method and system for controlling the elevator assemblies of an aircraft39US 4,765,568 AMesserschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung · 1988