F15B 2211/525
With follow-up action
Official title: with follow-up action
F15B2211/525 (With follow-up action) appears on 4 US grants and 4 published applications in this corpus.
Search patents in F15B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 12 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
- Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind12 Oct 2021US 11,143,200 B2MT-Propeller Entwicklung GmbH
- Pressure control valve having intrinsic mechanical feedback system31 Mar 2009US 7,509,905 B2Raytheon Sarcos, LLC
- Pressure control valve having intrinsic mechanical feedback system23 Oct 2007US 7,284,471 B2Sarcos Investments LC
- Methods and apparatus for operating and performing diagnostics in a control loop of a control valve14 Feb 2006US 6,999,853 B2Fisher Controls International LLC
- Control Apparatus For A Hydraulic Variable-Pitch Propeller And Propeller Unit Comprising A Control Apparatus Of This Kind9 May 2019US 2019/0136867 A1MT-Propeller Entwicklung GmbH
- Pressure control valve having intrinsic mechanical feedback system15 May 2008US 2008/0110329 A1Raytheon Sarcos, LLC
- Pressure control valve having intrinsic mechanical feedback system29 Jun 2006US 2006/0137519 A1Sarcos Investments LC
- Methods and apparatus for operating and performing diagnostics in a control loop of a control valve25 Nov 2004US 2004/0236472 A1Fisher Controls International LLC
Most cited
By later US patents
- Pressure control valve having intrinsic mechanical feedback system28US 7,509,905 B2Raytheon Sarcos, LLC · 2009
- Methods and apparatus for operating and performing diagnostics in a control loop of a control valve14US 6,999,853 B2Fisher Controls International LLC · 2006
- Pressure control valve having intrinsic mechanical feedback system10US 7,284,471 B2Sarcos Investments LC · 2007
- Control apparatus for a hydraulic variable-pitch propeller and propeller unit comprising a control apparatus of this kind6US 11,143,200 B2MT-Propeller Entwicklung GmbH · 2021