F15B 2211/30565
Having multiple valves for a single output member
Official title: having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
F15B2211/30565 (Having multiple valves for a single output member) appears on 1,045 US grants and 1,045 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,045
- Published applications
- 1,045
- Assignees
- 426
- Inventors
- 1,825
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 2 |
| 2002 | 12 | 10 |
| 2003 | 14 | 30 |
| 2004 | 32 | 24 |
| 2005 | 20 | 19 |
| 2006 | 14 | 20 |
| 2007 | 25 | 23 |
| 2008 | 16 | 24 |
| 2009 | 5 | 19 |
| 2010 | 15 | 27 |
| 2011 | 18 | 33 |
| 2012 | 16 | 28 |
| 2013 | 20 | 50 |
| 2014 | 37 | 53 |
| 2015 | 39 | 62 |
| 2016 | 45 | 59 |
| 2017 | 48 | 57 |
| 2018 | 49 | 45 |
| 2019 | 56 | 77 |
| 2020 | 83 | 81 |
| 2021 | 79 | 86 |
| 2022 | 62 | 56 |
| 2023 | 48 | 46 |
| 2024 | 49 | 42 |
| 2025 | 47 | 52 |
| 2026 | 34 | 20 |
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
- 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 power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
- Dump truck23 Jul 2026US 2026/0208652 A1Komatsu Ltd.
- 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.
- Fluid control assembly and system16 Jul 2026US 2026/0201971 A9Precision Planting LLC
- Hydraulic valve and hydraulic circuit25 Jun 2026US 2026/0177081 A1Komatsu Ltd.
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
- Variable pressure control system for dual acting actuators108US 8,550,020 B2Precision Planting LLC · 2013
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010