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Class Information
Number: 137/556
Name: Fluid handling > With indicator, register, recorder, alarm or inspection means > Position or extent of motion indicator > Indicator element rigidly carried by the movable element whose position is indicated
Description: Apparatus in which an element of the indicator is an integral part of, or is rigidly carried by, the movable or adjustable part.










Sub-classes under this class:

Class Number Class Name Patents
137/556.3 Movable indicator element is a pointer 61


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8678348 Gas flow control valve Mar. 25, 2014
8622076 Seat cleaning-capable double-seat valve Jan. 7, 2014
8602506 Air brake locking device and system Dec. 10, 2013
8584701 Multi-port stopcock valve and flow designating system Nov. 19, 2013
8562306 Compressor apparatus Oct. 22, 2013
8544817 Manual valve operator with override clutch apparatus Oct. 1, 2013
8464752 External position indicator of ram blowout preventer Jun. 18, 2013
8439059 Device with direct control, in particular proportional and/or rectilinear control, for fluid loading and/or unloading system May. 14, 2013
8430346 Compressed air throttle device and a powder spray coating device Apr. 30, 2013
8408245 Valve actuator with vent Apr. 2, 2013
8307848 Freeze resistant manifold assembly and system Nov. 13, 2012
8281800 Faucet mounting sleeve Oct. 9, 2012
8281811 Large manipulator Oct. 9, 2012
8256850 Control valve Sep. 4, 2012
8230879 Actuating drive with a position transmitter Jul. 31, 2012
8191574 Visual indicator for air tank valve handle Jun. 5, 2012
8151821 Faucet mounting sleeve Apr. 10, 2012
8141582 Flow amount adjusting valve Mar. 27, 2012
8141583 Valve controller Mar. 27, 2012
8033293 Fluid regulator Oct. 11, 2011
8020585 Apparatus and method for detecting a leak within a duplex valve assembly Sep. 20, 2011
7918239 Shock actuated responsive mechanism for vertical and horizontal valve assemblies Apr. 5, 2011
7819133 Valve controller Oct. 26, 2010
7811067 Air driven pump with performance control Oct. 12, 2010
7784490 Valve monitoring and controlling system Aug. 31, 2010
7779860 Airflow control mechanism Aug. 24, 2010
7694938 Distal rate control device Apr. 13, 2010
7669611 Motorized fluid control valve with safety device Mar. 2, 2010
7624749 Flow regulator for medical liquids and method for its fabrication Dec. 1, 2009
7543653 Diaphragm latch valve Jun. 9, 2009
7540302 Field unit for mounting on an actuator Jun. 2, 2009
7469716 Multiway valve Dec. 30, 2008
7467644 Remote controller for heavy construction machines with follower pushrod Dec. 23, 2008
7461670 Cycle indicator for fluid distribution systems Dec. 9, 2008
7360555 Gas regulator with altimetric adjustment Apr. 22, 2008
7261276 Flow regulator valve Aug. 28, 2007
7237570 Gas cylinder dispensing valve Jul. 3, 2007
7174913 Gas tap for a cooking appliance, with a cover for the rotary shaft Feb. 13, 2007
7156120 Inline liquid flow control valve Jan. 2, 2007
7137408 Universal valve switch Nov. 21, 2006
7124774 Control valve Oct. 24, 2006
7032878 Method and device for controlling the switching movement of a valve Apr. 25, 2006
7028927 Flowrate control device, in particular for medical use Apr. 18, 2006
7013914 Throttle valve Mar. 21, 2006
6997209 Locking device of an air-operated normally-closed valve for a gas cylinder Feb. 14, 2006
6981689 Hybrid flow metering valve Jan. 3, 2006
6899128 Half ball valve May. 31, 2005
6880806 Actuator for driving rotary valve actuator and valve device with the actuator Apr. 19, 2005
6871665 Aircraft oxygen valve having knob with distinctive position indicator Mar. 29, 2005
6840272 Fuel-conditioning device Jan. 11, 2005

1 2 3 4 5 6










 
 
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