G05B 2219/41311
Pilot valve with feedback of position
G05B2219/41311 (Pilot valve with feedback of position) appears on 18 US grants and 11 published applications in this corpus.
Search patents in G05B- Granted patents
- 18
- Published applications
- 11
- Assignees
- 14
- Inventors
- 31
- Latest grant
- 2 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 3 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for determining amplitude of stick-slip on a valve assembly and implementation thereof2 Mar 2021US 10,935,160 B2Dresser, Inc.
- Methods and apparatus for coordinating operation of valves4 Aug 2020US 10,732,593 B2Fisher Controls International LLC
- Valve control device and valve system7 May 2019US 10,280,834 B2Honda Motor Co., Ltd.
- Method for determining amplitude of stick-slip on a valve assembly and implementation thereof20 Mar 2018US 9,920,856 B2Dresser, Inc.
- Electrical actuator28 Jun 2011US 7,969,109 B2Ckd Corporation
- Methods and apparatus for coordinating operation of valves2 May 2019US 2019/0128292 A1Fisher Controls International LLC
- Method for determining amplitude of stick-slip on a valve assembly and implementation thereof24 May 2018US 2018/0142807 A1Dresser, Inc.
- Valve control device and valve system19 Apr 2018US 2018/0106187 A1Honda Motor Co., Ltd.
- Method for determining amplitude of stick-slip on a valve assembly and implementation thereof1 Oct 2015US 2015/0276087 A1Dresser, Inc.
- Electrical actuator2 Jul 2009US 2009/0167214 A1Ckd Corporation
Most cited
By later US patents
- Valve positioner system60US 6,272,401 B1Dresser Industries, Inc. · 2001
- Control valve positioners having improved operating characteristics50US 5,950,668 AFisher Controls International LLC · 1999
- Valve positioner system44US 6,453,261 B2Dresser, Inc. · 2002
- Valve positioner system39US 6,745,084 B2Dresser, Inc. · 2004
- Valve position controller27US 5,654,885 AVirginia Valve Company Corporation · 1997