F15B 2211/3057
Having two valves, one for each port of a double-acting output member
Official title: having two valves, one for each port of a double-acting output member
F15B2211/3057 (Having two valves, one for each port of a double-acting output member) appears on 228 US grants and 223 published applications in this corpus.
Search patents in F15B- Granted patents
- 228
- Published applications
- 223
- Assignees
- 146
- Inventors
- 443
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 1 |
| 2003 | 6 | 9 |
| 2004 | 8 | 4 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 4 |
| 2008 | 2 | 6 |
| 2009 | 0 | 3 |
| 2010 | 2 | 10 |
| 2011 | 7 | 12 |
| 2012 | 6 | 10 |
| 2013 | 11 | 10 |
| 2014 | 7 | 7 |
| 2015 | 5 | 6 |
| 2016 | 5 | 8 |
| 2017 | 7 | 9 |
| 2018 | 8 | 9 |
| 2019 | 9 | 19 |
| 2020 | 23 | 24 |
| 2021 | 19 | 18 |
| 2022 | 15 | 12 |
| 2023 | 14 | 12 |
| 2024 | 13 | 11 |
| 2025 | 12 | 9 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Emergency-operation valve block for a mobile crane20 Jan 2026US 12,528,677 B2Manitowoc Crane Group France SAS
- 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.
- Pressure compensation valve and hydraulic control system28 May 2026US 2026/0145919 A1Zhejiang Senstren Technology Co., LTD
- Linear actuator assembly and system21 May 2026US 2026/0139694 A1Project Phoenix, LLC
- Switching device with push button and water outlet device16 Apr 2026US 2026/0104102 A1Xiamen Miqi Technology Co., Ltd
- Learning for controlling pneumatic driven positioning devices19 Mar 2026US 2026/0078779 A1VAT Holding AG
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
- 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
- Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression73US 7,874,155 B2SustainX, Inc. · 2011