F15B 15/20
Fluid-actuated devices for displacing a member from one position to another: other
Official title: Other details {, e.g. assembly with regulating devices}
F15B15/20 (Fluid-actuated devices for displacing a member from one position to another: other) appears on 2,480 US grants and 2,086 published applications in this corpus.
Search patents in F15B- Granted patents
- 2,480
- Published applications
- 2,086
- Assignees
- 1,278
- Inventors
- 4,636
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 16 | 0 |
| 1978 | 21 | 0 |
| 1979 | 14 | 0 |
| 1980 | 25 | 0 |
| 1981 | 23 | 0 |
| 1982 | 9 | 0 |
| 1983 | 14 | 0 |
| 1984 | 25 | 0 |
| 1985 | 17 | 0 |
| 1986 | 21 | 0 |
| 1987 | 33 | 0 |
| 1988 | 23 | 0 |
| 1989 | 28 | 0 |
| 1990 | 24 | 0 |
| 1991 | 27 | 0 |
| 1992 | 22 | 0 |
| 1993 | 36 | 0 |
| 1994 | 37 | 0 |
| 1995 | 24 | 0 |
| 1996 | 32 | 0 |
| 1997 | 22 | 0 |
| 1998 | 25 | 0 |
| 1999 | 39 | 0 |
| 2000 | 33 | 0 |
| 2001 | 53 | 14 |
| 2002 | 64 | 62 |
| 2003 | 62 | 56 |
| 2004 | 57 | 58 |
| 2005 | 43 | 57 |
| 2006 | 45 | 63 |
| 2007 | 42 | 44 |
| 2008 | 28 | 49 |
| 2009 | 39 | 42 |
| 2010 | 37 | 50 |
| 2011 | 33 | 41 |
| 2012 | 33 | 51 |
| 2013 | 37 | 82 |
| 2014 | 49 | 75 |
| 2015 | 69 | 113 |
| 2016 | 81 | 92 |
| 2017 | 87 | 99 |
| 2018 | 107 | 126 |
| 2019 | 107 | 127 |
| 2020 | 147 | 132 |
| 2021 | 129 | 157 |
| 2022 | 122 | 124 |
| 2023 | 103 | 120 |
| 2024 | 124 | 109 |
| 2025 | 102 | 76 |
| 2026 | 64 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 15/28Means for indicating the position803
- F15B 15/26Locking mechanisms530
- F15B 15/22For accelerating or decelerating the stroke425
- F15B 15/204Control means for piston speed or actuating force without external control235
- F15B 15/202Externally-operated valves mounted in or on the actuator231
- F15B 15/24For restricting the stroke174
- F15B 2015/208Special fluid pressurisation meansIndexing code53
- F15B 2015/206Combined actuationIndexing code45
Recent patents
- Jack with hydraulic lock6 Oct 2026US 12,753,053 B2Pacific Rim International, LLC
- Fluid pressure cylinder6 Oct 2026US 12,753,782 B2SMC Corporation
- Electromechanical brake actuator, drive assembly for an electromechanical brake actuator and method for operating an electromechanical brake actuator29 Sep 2026US 12,747,743 B2Robert Bosch GmbH
- Systems for damping a solar photovoltaic array tracker22 Sep 2026US 12,744,492 B2FTC Solar, Inc.
- Manifold for a hydraulic vibration generating device or hydraulic motor8 Sep 2026US 12,728,442 B2
- Reinforcement assembly for gas turbine bearing housing8 Oct 2026US 2026/0309049 A1
- Hydraulic System8 Oct 2026US 2026/0309169 A1Caterpillar SARL
- Locking cylinder and method of operation24 Sep 2026US 2026/0286989 A1SHPAC USA, Inc.
- Constant pressure generating system24 Sep 2026US 2026/0287034 A1White's Welding, LLC
- Electric cylinder device and brake fluid pressure control device17 Sep 2026US 2026/0274232 A1Advics Co., Ltd.
Most cited
By later US patents
- Pneumatic telescoping cylinder and method1,499US 5,341,724 A1994
- Self-induction-type stroke sensor1,339US 6,512,360 B1Amiteq Co., Ltd. · 2003
- Magnetic position sensor for measuring linear displacement1,173US 6,670,806 B2Koninklijke Philips Electronics N. V. · 2003
- Piston-cylinder assembly1,065US 4,896,584 A1990
- Linear servoactuator with integrated transformer position sensor158US 4,628,499 AScientific-Atlanta, Inc. · 1986