F15B 15/1404
In clusters
Official title: {in clusters, e.g. multiple cylinders in one block}
F15B15/1404 (In clusters) appears on 100 US grants and 118 published applications in this corpus.
Search patents in F15B- Granted patents
- 100
- Published applications
- 118
- Assignees
- 91
- Inventors
- 259
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 3 |
| 2002 | 3 | 4 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 2 | 7 |
| 2013 | 0 | 1 |
| 2014 | 5 | 2 |
| 2015 | 8 | 3 |
| 2016 | 3 | 9 |
| 2017 | 4 | 7 |
| 2018 | 7 | 4 |
| 2019 | 4 | 6 |
| 2020 | 5 | 9 |
| 2021 | 12 | 10 |
| 2022 | 7 | 12 |
| 2023 | 4 | 8 |
| 2024 | 7 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic system8 Sep 2026US 12,729,700 B2Kawasaki Jukogyo Kabushiki Kaisha
- Clamping brake for hydraulic rotating block26 May 2026US 12,637,036 B1Hydro-Gear Limited Partnership
- Dual-parallel actuator piston interface6 Jan 2026US 12,516,686 B2Woodward, Inc.
- Systems and methods for enhancing comfort individuals in contact with surfaces2 Dec 2025US 12,484,709 B2Georgia Tech Research Corporation
- Cylinder on demand hydraulic device14 Oct 2025US 12,442,398 B2Tonand Inc.
- Brake cylinder for a vehicle brake14 May 2026US 2026/0131774 A1SAF-HOLLAND GmbH
- Dual-Parallel Actuator Piston Interface2 Apr 2026US 2026/0092611 A1
- Hydraulic force fight mitigation8 Jan 2026US 2026/0009408 A1Woodward, Inc.
- Cylinder assembly for tilting a vacuum tank8 Jan 2026US 2026/0009409 A1The Charles Machine Works, Inc.
- Hydraulic system25 Dec 2025US 2025/0389285 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Head section support for a surgical table apparatus119US 6,739,006 B2Hill-Rom Services, Inc. · 2004
- Leg section support for a surgical table80US 6,754,923 B2Hill-Rom Services, Inc. · 2004
- Hydraulic actuator apparatus for a surgical table45US 6,886,200 B2Hill-Rom Services, Inc. · 2005
- Fluidic robotic actuator system and method43US 10,562,180 B2Other Lab, LLC · 2020
- Extended stroke linear actuator assembly39US 5,431,087 A1995