B64C 13/40
Using fluid pressure
Official title: using fluid pressure
B64C13/40 (Using fluid pressure) appears on 314 US grants and 293 published applications in this corpus.
Search patents in B64C- Granted patents
- 314
- Published applications
- 293
- Assignees
- 120
- Inventors
- 532
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 4 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 3 |
| 2010 | 0 | 2 |
| 2011 | 5 | 5 |
| 2012 | 3 | 11 |
| 2013 | 10 | 4 |
| 2014 | 6 | 7 |
| 2015 | 5 | 7 |
| 2016 | 5 | 9 |
| 2017 | 6 | 23 |
| 2018 | 15 | 29 |
| 2019 | 24 | 33 |
| 2020 | 27 | 24 |
| 2021 | 36 | 34 |
| 2022 | 27 | 23 |
| 2023 | 27 | 20 |
| 2024 | 17 | 15 |
| 2025 | 20 | 20 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft elevator feel computer test apparatus8 Sep 2026US 12,728,986 B2ATEQ & Cobra Aviation, Inc.
- Hydraulic actuation system18 Aug 2026US 12,709,382 B2Airbus Operations GmbH
- Linear actuator19 May 2026US 12,630,285 B2Goodrich Actuation Systems Limited
- Stability and control augmentation system actuator10 Mar 2026US 12,570,393 B2Microtecnica S.R.L.
- Variable slat displacement using spanwise actuator3 Mar 2026US 12,565,306 B2The Boeing Company
- Hydraulic system and method for controlling hydraulic system1 Oct 2026US 2026/0298215 A1Sumitomo Precision Products Co., Ltd.
- 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
- Rotorcraft fly-by-wire flight control system11 Jun 2026US 2026/0159230 A1Honeywell International Inc.
- Servo valve11 Jun 2026US 2026/0160345 A1Microtecnica S.R.L.
Most cited
By later US patents
- Electrostatic/pneumatic actuators for active surfaces213US 6,215,221 B1Honeywell International Inc. · 2001
- Dynamic activation of pumps of a fluid power system166US 10,040,541 B2The Boeing Company · 2018
- Electrostatic/pneumatic actuators for active surfaces132US 6,288,472 B1Honeywell International Inc. · 2001
- Fault tolerant actuation system for flight control actuators121US 5,806,805 AThe Boeing Company · 1998
- Electrostatic actuators for active surfaces99US 6,358,021 B1Honeywell International Inc. · 2002