F15B 11/123
By means of actuators with fluid-operated stops
Official title: {by means of actuators with fluid-operated stops}
F15B11/123 (By means of actuators with fluid-operated stops) appears on 72 US grants and 39 published applications in this corpus.
Search patents in F15B- Granted patents
- 72
- Published applications
- 39
- Assignees
- 58
- Inventors
- 130
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 4 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 3 | 3 |
| 2018 | 5 | 0 |
| 2019 | 3 | 3 |
| 2020 | 1 | 5 |
| 2021 | 5 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve manifold, valve and actuator assembly14 Oct 2025US 12,442,394 B2Asco, L. P.
- Three-position pneumatic or hydraulic power cylinder1 Oct 2024US 12,104,623 B2
- Valve manifold, valve and actuator assembly6 Aug 2024US 12,055,161 B2Asco, L. P.
- Center biased actuator31 Jan 2023US 11,565,798 B2Safran Landing Systems UK LTD
- Actuator assembly1 Nov 2022US 11,486,417 B2Dana Heavy Vehicle Systems Group, LLC
- A gearshift arrangement and a vehicle22 Jan 2026US 2026/0022767 A1Volvo Truck Corporation
- Gripper, rock drilling unit and method14 Nov 2024US 2024/0376781 A1Sandvik Mining and Construction Oy
- Valve Manifold, Valve and Actuator Assembly5 Sep 2024US 2024/0295228 A1Asco, L. P.
- Three-position pneumatic or hydraulic power cylinder28 Sep 2023US 2023/0304515 A1
- A Valve Manifold, Valve and Actuator Assembly1 Dec 2022US 2022/0381264 A1Asco, L. P.
Most cited
By later US patents
- Semi-levered landing gear and auxiliary strut therefor41US 6,182,925 B2The Boeing Company · 2001
- Control system and method for a semi-levered landing gear for an aircraft33US 6,575,405 B2The Boeing Company · 2003
- Three position actuator arrangement28US 5,067,323 AUnited Technologies Corporation · 1991
- Five-position hydraulic actuating apparatus27US 4,319,609 ASociete Anonyme D. B. A. · 1982
- Three position cylinder27US 6,408,740 B1Welker Bearing Company · 2002