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Class Information
Number: 137/552
Name: Fluid handling > With indicator, register, recorder, alarm or inspection means > Plural
Description: Apparatus comprising more than one indicator, register, recorder, alarm or inspection means or more than one of the beforementioned types of subcombinations.










Sub-classes under this class:

Class Number Class Name Patents
137/552.5 Unobvious - "combination lock" type 11


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8596295 Mechanical position indicator Dec. 3, 2013
8596296 Regulation valve Dec. 3, 2013
8573250 Steam trap with integrated temperature sensors Nov. 5, 2013
8561453 Calibration of all pressure transducers in a hydrogen storage system Oct. 22, 2013
8555918 Flow rate control valve and spool position detection device for the flow rate control valve Oct. 15, 2013
8555917 Power line data acquisition Oct. 15, 2013
8550114 Time remaining display assembly Oct. 8, 2013
8528579 Multi-mode hands free automatic faucet Sep. 10, 2013
8517039 Fluid pressure control assembly Aug. 27, 2013
8474474 Control valve having pressure boundary integrity diagnostic capabilities, method of making the control valve, and method of using the control valve Jul. 2, 2013
8453674 Valve fault indication and control Jun. 4, 2013
8381765 Valve Feb. 26, 2013
8312891 Automatic switching valve with alarm Nov. 20, 2012
8072343 Local emergency isolation valve controller with diagnostic testing and trouble indicator Dec. 6, 2011
7886766 Device and system for monitoring valves Feb. 15, 2011
7882852 Direct drive servovalve device with redundant position sensing and methods for making the same Feb. 8, 2011
7843354 Activation sensing Nov. 30, 2010
7504961 Emergency isolation valve controller with integral fault indicator Mar. 17, 2009
7398796 Valve arrangement Jul. 15, 2008
7337800 Automatic flushing system and method for a potable water station Mar. 4, 2008
7328719 Valve state sensing module Feb. 12, 2008
7168333 Monitoring system for pressurized container Jan. 30, 2007
7168628 Control valve monitoring Jan. 30, 2007
7137407 Trip manifold Nov. 21, 2006
7124774 Control valve Oct. 24, 2006
7121299 Regulator valve with flow indicator for a hot-water heating system Oct. 17, 2006
7059338 Emergency shutoff valve Jun. 13, 2006
7055539 Electromagnetic valve control device and method Jun. 6, 2006
7055547 Circuit balancing valve Jun. 6, 2006
7044158 Continuous filtration systems using pump, venturi and flow control valve May. 16, 2006
7040336 Gas delivery system for supplying gas to semiconductor manufacturing equipment May. 9, 2006
7032606 Manifold system and method for compressed medical gases Apr. 25, 2006
7028605 Audible signal valve knob with timer Apr. 18, 2006
7025088 Providing an indication of the position of a valve member Apr. 11, 2006
6994109 Fitting for measuring and regulating the flow rate of a hydraulic medium through a pipeline Feb. 7, 2006
6976503 Diagnostic system and method for a valve Dec. 20, 2005
6923207 Manifold valve having position detecting mechanism Aug. 2, 2005
6860288 System and method for monitoring and controlling utility systems Mar. 1, 2005
6820647 Valve position monitor Nov. 23, 2004
6752171 Control-valve drive with sensor unit for detecting the position of the valve Jun. 22, 2004
6701951 Manual to electronic automatic valve conversion apparatus Mar. 9, 2004
6675829 Diagnostic adapter for pressure testing a cooling system Jan. 13, 2004
6675828 Nextrol Jan. 13, 2004
6675830 Valve unit capable of monitoring output pressure Jan. 13, 2004
6651483 Low leak gas density monitor assembly Nov. 25, 2003
6612332 Solenoid valve having sensor Sep. 2, 2003
6609533 Valve actuator and method Aug. 26, 2003
6578602 Alarm valve system Jun. 17, 2003
6446666 Valve lock and adapter Sep. 10, 2002
6386229 Method and device for managing operation of solenoid valve May. 14, 2002

1 2 3










 
 
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