G05B 2219/41315
Feedback of position of pilot valve and of power cylinder
G05B2219/41315 (Feedback of position of pilot valve and of power cylinder) appears on 4 US grants and 4 published applications in this corpus.
Search patents in G05B- Granted patents
- 4
- Published applications
- 4
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 1 Jul 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Analog input module for a programmable logic controller1 Jul 2014US 8,766,621 B2Siemens Aktiengesellschaft
- Multi-valve fluid operated cylinder positioning system8 Apr 2008US 7,353,743 B2Viking Technologies, L.C.
- Accurate fluid operated cylinder positioning system4 Apr 2006US 7,021,191 B2Viking Technologies, L.C.
- Inner-loop valve spool positioning control apparatus23 Mar 1999US 5,884,894 AValtek, Inc.
- Analog Input Module for a Programmable Logic Controller23 Feb 2012US 2012/0043957 A1Siemens Aktiengesellschaft
- Methods and apparatus to couple an electro-pneumatic controller to a position transmitter in a process control system21 Oct 2010US 2010/0264868 A1
- Multi-valve fluid operated cylinder positioning system30 Dec 2004US 2004/0261608 A1Viking Technologies, L.C.
- Accurate fluid operated cylinder positioning system14 Oct 2004US 2004/0200349 A1Viking Technologies, L.C.
Most cited
By later US patents