F15B 2211/31523
Being connected to a pressure source and an output member
Official title: being connected to a pressure source and an output member
F15B2211/31523 (Being connected to a pressure source and an output member) appears on 188 US grants and 173 published applications in this corpus.
Search patents in F15B- Granted patents
- 188
- Published applications
- 173
- Assignees
- 121
- Inventors
- 452
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 4 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 6 |
| 2010 | 1 | 0 |
| 2011 | 5 | 11 |
| 2012 | 1 | 5 |
| 2013 | 2 | 3 |
| 2014 | 8 | 3 |
| 2015 | 6 | 5 |
| 2016 | 2 | 5 |
| 2017 | 4 | 10 |
| 2018 | 6 | 15 |
| 2019 | 7 | 18 |
| 2020 | 20 | 12 |
| 2021 | 15 | 12 |
| 2022 | 13 | 13 |
| 2023 | 10 | 15 |
| 2024 | 13 | 12 |
| 2025 | 16 | 12 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/31529Having a single pressure source and a single output memberIndexing code93
- F15B 2211/31535Having multiple pressure sources and a single output memberIndexing code45
- F15B 2211/31541Having a single pressure source and multiple output membersIndexing code37
- F15B 2211/31547Having multiple pressure sources and multiple output membersIndexing code25
Recent patents
- Hydraulic system and passenger restraint system10 Mar 2026US 12,570,235 B2HAWE Hydraulik SE
- Emergency-operation valve block for a mobile crane20 Jan 2026US 12,528,677 B2Manitowoc Crane Group France SAS
- Electric drive for a vehicle30 Dec 2025US 12,510,148 B2GKN Automotive AG
- Electric drive arrangement for a vehicle18 Nov 2025US 12,473,970 B2GKN Automotive AG
- Valve system11 Nov 2025US 12,467,483 B2Hamilton Sundstrand Corporation
- Linear actuator assembly and system21 May 2026US 2026/0139694 A1Project Phoenix, LLC
- Gangway having self-raising assembly26 Feb 2026US 2026/0054947 A1Safe Rack LLC
- Agricultural header float arm position and pressure control system16 Oct 2025US 2025/0318462 A1
- Agricultural header float arm position and pressure control system16 Oct 2025US 2025/0318463 A1
- Magnetorheological fluid valve and variable manufacturing mold24 Jul 2025US 2025/0236051 A1Shoreline Design & Manufacturing LLC
Most cited
By later US patents
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999
- Independent load sensing for a vehicle hydraulic system58US 9,145,905 B2Oshkosh Corporation · 2015
- Apparatus for recovering pressure oil returned from actuators39US 6,151,894 AKomatsu Ltd. · 2000
- High pressure hydraulic system38US 4,250,794 ACaterpillar Tractor Co. · 1981
- Self-regulated hydraulic control system37US 4,833,971 A1989