F15B 15/149
Fluid interconnections
Official title: {Fluid interconnections, e.g. fluid connectors, passages}
F15B15/149 (Fluid interconnections) appears on 377 US grants and 325 published applications in this corpus.
Search patents in F15B- Granted patents
- 377
- Published applications
- 325
- Assignees
- 277
- Inventors
- 713
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 13 |
| 2003 | 7 | 4 |
| 2004 | 7 | 0 |
| 2005 | 2 | 11 |
| 2006 | 4 | 6 |
| 2007 | 4 | 7 |
| 2008 | 6 | 6 |
| 2009 | 2 | 5 |
| 2010 | 7 | 4 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 3 | 6 |
| 2014 | 4 | 16 |
| 2015 | 4 | 21 |
| 2016 | 10 | 22 |
| 2017 | 25 | 26 |
| 2018 | 26 | 29 |
| 2019 | 35 | 25 |
| 2020 | 26 | 21 |
| 2021 | 20 | 16 |
| 2022 | 13 | 19 |
| 2023 | 15 | 15 |
| 2024 | 17 | 17 |
| 2025 | 18 | 13 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid pressure cylinder6 Oct 2026US 12,753,782 B2SMC Corporation
- Small displacement hydraulic actuator22 Sep 2026US 12,742,464 B2Zhejiang Kc Mechanical & Electrical Co., Ltd.
- Single acting hydraulic cylinder with head end cushioning25 Aug 2026US 12,716,430 B2Wipro Enterprises Pvt Ltd
- Cylinder/piston assembly with eccentric piston rod2 Jun 2026US 12,644,478 B2Weber-Hydraulik GmbH
- Hydraulic actuator and method for operating5 May 2026US 12,618,420 B2Airbus Operations GmbH
- Dual-wall cylinder for fluid control device actuator13 Aug 2026US 2026/0235144 A1
- Two-way quick cylinder and wood splitter9 Jul 2026US 2026/0194080 A1
- Fluid pressure cylinder2 Jul 2026US 2026/0185548 A1SMC Corporation
- Fluid pressure cylinder2 Jul 2026US 2026/0185549 A1KYB Corporation
- Telescopic cylinder with a feed/discharge conduit of variable length18 Jun 2026US 2026/0168522 A1Manitou Italia S.R.L.
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
- Fluid servo and applications57US 8,863,641 B2Isentropic Limited · 2014
- Fluid actuator with internal pressure relief valve49US 5,275,086 AUnlimited Solutions, Inc. · 1994
- Hydraulic actuator apparatus for a surgical table45US 6,886,200 B2Hill-Rom Services, Inc. · 2005