B64C 2027/7272
Of the electro-hydraulic type
Official title: {of the electro-hydraulic type}
B64C2027/7272 (Of the electro-hydraulic type) appears on 17 US grants and 14 published applications in this corpus.
Search patents in B64C- Granted patents
- 17
- Published applications
- 14
- Assignees
- 14
- Inventors
- 54
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electro-hydrostatic circuit and aircraft30 Jul 2024US 12,049,300 B2Mitsubishi Heavy Industries, Ltd.
- Actuator for use in a rotor blade4 Jun 2019US 10,309,225 B2Microtecnica S.R.L.
- Electro-hydraulic on-blade actuation system21 Aug 2018US 10,053,215 B2Bell Helicopter Textron Inc.
- Dry lubricated linear actuator for in blade rotor control8 Mar 2016US 9,278,756 B2Claverham Limited
- Elastomeric signal transmission and motion amplification3 Nov 2015US 9,175,673 B2Textron Innovations Inc.
- Electro-hydrostatic circuit and aircraft23 Mar 2023US 2023/0090110 A1Mitsubishi Heavy Industries, Ltd.
- Rotor blade structures8 Nov 2018US 2018/0319492 A1Sikorsky Aircraft Corporation
- Electro-hydraulic on-blade actuation system4 Aug 2016US 2016/0221673 A1Bell Helicopter Textron Inc.
- Dry lubricated linear actuator for in blade rotor control19 Dec 2013US 2013/0336787 A1Claverham Limited
- Actuator for Use in a Rotor Blade17 Oct 2013US 2013/0272873 A1Microtecnica S.R.L.
Most cited
By later US patents
- Rotor blade flap drive apparatus51US 6,499,690 B1Advanced Technology Institute of Commuter-Helicopter, Ltd. · 2002
- Helicopter servoflap actuator having mechanical stop and oil pump20US 5,387,083 AAlliedSignal Inc. · 1995
- Helicopter with leading edge servo flaps for pitch positioning its rotor blades20US 5,409,183 AKaman Aerospace Corporation · 1995
- High torque actuation system for an active rotor control system18US 6,196,796 B1Sikorsky Aircraft Corporation · 2001
- Actuation system for an active rotor control system18US 6,200,096 B1Sikorsky Aircraft Corporation · 2001