G05B 2219/41301
Pilot valve, linear fluid control valve and power cylinder
G05B2219/41301 (Pilot valve, linear fluid control valve and power cylinder) appears on 45 US grants and 9 published applications in this corpus.
Search patents in G05B- Granted patents
- 45
- Published applications
- 9
- Assignees
- 34
- Inventors
- 89
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Level sensor for continuous level detection and integration into process control system6 May 2025US 12,292,726 B2Fisher Controls International LLC
- Choke controller, system, and method using adaptive proportional gain to control choke based on pressure setpoint24 Dec 2024US 12,173,733 B2Opla Energy Ltd.
- Level sensor for continuous level detection and integration into process control system7 Nov 2023US 11,809,157 B2Fisher Controls International LLC
- Choke controller, system, and method using adaptive proportional gain to control choke based on pressure setpoint16 May 2023US 11,649,837 B2Opla Energy Ltd.
- Adjustable fluidic oscillators31 May 2022US 11,347,204 B2The Boeing Company
- Level sensor for continuous level detection and integration into process control system8 Feb 2024US 2024/0045397 A1Fisher Controls International LLC
- Choke Controller, System, and Method Using Adaptive Proportional Gain to Control Choke Based on Pressure Setpoint7 Sep 2023US 2023/0279878 A1Opla Energy Ltd.
- Level sensor for continuous level detection and integration into process control system22 Sep 2022US 2022/0299972 A1Fisher Controls International LLC
- Choke Controller, System, and Method20 Jan 2022US 2022/0018365 A1Opla Energy Ltd.
- Adjustable fluidic oscillators22 Jul 2021US 2021/0223758 A1The Boeing Company
Most cited
By later US patents
- Linear servoactuator with integrated transformer position sensor158US 4,628,499 AScientific-Atlanta, Inc. · 1986
- Method and apparatus for controlling geometrically simple parallel mechanisms with distinctive connections90US 5,179,525 AUniversity of Florida · 1993
- Hydraulic drill unit75US 4,157,231 AThe United States of America as represented by the Secretary of the Air Force · 1979
- Electrohydraulic needle bar positioning apparatus for tufting machines63US 4,173,192 ATuftco Corporation · 1979
- Fluid apparatus43US 4,932,311 ADaihatsu Diesel Mfg. Co., Ltd. · 1990