F15B 2211/3056
Assemblies of multiple valves
F15B2211/3056 (Assemblies of multiple valves) appears on 1,407 US grants and 1,343 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,407
- Published applications
- 1,343
- Assignees
- 540
- Inventors
- 2,400
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 14 | 0 |
| 1986 | 9 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 11 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 22 | 3 |
| 2002 | 19 | 16 |
| 2003 | 18 | 32 |
| 2004 | 35 | 35 |
| 2005 | 26 | 26 |
| 2006 | 21 | 30 |
| 2007 | 30 | 26 |
| 2008 | 22 | 33 |
| 2009 | 12 | 22 |
| 2010 | 18 | 29 |
| 2011 | 22 | 36 |
| 2012 | 18 | 30 |
| 2013 | 22 | 66 |
| 2014 | 41 | 65 |
| 2015 | 45 | 86 |
| 2016 | 54 | 75 |
| 2017 | 68 | 74 |
| 2018 | 71 | 74 |
| 2019 | 86 | 97 |
| 2020 | 106 | 98 |
| 2021 | 99 | 102 |
| 2022 | 74 | 75 |
| 2023 | 63 | 63 |
| 2024 | 66 | 55 |
| 2025 | 64 | 65 |
| 2026 | 45 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Fluid control assembly and system29 Sep 2026US 12,747,802 B2Precision Planting LLC
- Hybrid electro-hydraulic load sensing system and control method thereof15 Sep 2026US 12,736,067 B2Chongqing University
- Hydraulic system for work machine, and work machine15 Sep 2026US RE51,031 E1Kubota Corporation
- Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture1 Sep 2026US 12,723,603 B2Purdue Research Foundation
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- Dump truck23 Jul 2026US 2026/0208652 A1Komatsu Ltd.
- Three servovalve thrust reverser actuator system23 Jul 2026US 2026/0210311 A1
- Method for the detection of a position of an actuator element of a pneumatic actuator amid the use of a detection device, as well as a system of a pneumatic actuator and a detection device16 Jul 2026US 2026/0201912 A1Festo AG & Co.
Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Linear servoactuator with integrated transformer position sensor158US 4,628,499 AScientific-Atlanta, Inc. · 1986
- Hydraulic circuit and control system therefor115US 5,138,838 ACaterpillar Inc. · 1992
- Hydraulic system providing down force on a work implement109US 6,460,623 B1Caterpillar Inc. · 2002
- Automotive hydraulic system and method for driving a hydraulic accessory in parallel with a power steering unit108US 6,073,536 A2000