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Class Information
Number: 137/238
Name: Fluid handling > With cleaner, lubrication added to fluid or liquid sealing at valve interface > Cleaning or steam sterilizing
Description: Systems containing a means other than those causing or controlling the normal or unmodified flow of the fluent material of the system for removing germs or other undesirable internal or extraneous material from the system itself or parts thereof, as distinguished from treating the material being handled to remove undesirable material.










Sub-classes under this class:

Class Number Class Name Patents
137/242 Mechanical cleaning 131
137/239 Reverse fluid flow 49
137/241 Steam sterilizing 47
137/240 With separate material addition 579


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8678645 Device for monitoring the flow of water vapor Mar. 25, 2014
8602050 Self-cleaning varnish supply machine Dec. 10, 2013
8413672 Valve flushing kit Apr. 9, 2013
8393345 Oil pressure control device Mar. 12, 2013
8372338 Device and method for sterilizing, cooling, drying transferring closures Feb. 12, 2013
8215328 Dual chamber adapter Jul. 10, 2012
8210197 Cleaning system for cleaning a valve seat Jul. 3, 2012
7858028 Pasteurizing or sterilizing Dec. 28, 2010
7597514 Air valve coupling method and apparatus Oct. 6, 2009
7552742 Hot tap device Jun. 30, 2009
7509948 Variable displacement pump with an anti-stiction device Mar. 31, 2009
7360976 Air valve coupling method and apparatus Apr. 22, 2008
7337800 Automatic flushing system and method for a potable water station Mar. 4, 2008
7293675 Beverage line cleaning system Nov. 13, 2007
7128084 Self-cleaning valve assembly Oct. 31, 2006
7013916 Sub-atmospheric gas delivery method and apparatus Mar. 21, 2006
6960321 Sterilization of fire sprinkler systems Nov. 1, 2005
6948512 Flushing attachment for hydrant Sep. 27, 2005
6938633 Method and apparatus for supplying process liquid for machine tool Sep. 6, 2005
6938638 Gas circulating-processing apparatus Sep. 6, 2005
6934989 Inflatable article Aug. 30, 2005
6920891 Exhaust adaptor and method for chamber de-gassing Jul. 26, 2005
6892748 Plug valve May. 17, 2005
6874525 Linear solenoid valve control device Apr. 5, 2005
6848464 Lined pipe annular venting device Feb. 1, 2005
6820635 Flushing attachment for hydrant Nov. 23, 2004
6761184 Water flushing unit for a pressure balanced shower valve Jul. 13, 2004
6715507 Vaporizer Apr. 6, 2004
6659121 Solenoid and hydraulic control valve Dec. 9, 2003
6592099 Silting prevention controller Jul. 15, 2003
6557579 Double metal seal May. 6, 2003
6539970 Method and apparatus for servicing a pressurized system Apr. 1, 2003
6485388 Line pressure control system of automatic transmission Nov. 26, 2002
6467498 City water flushing and sludge prevention control method Oct. 22, 2002
6409967 Valve obturator Jun. 25, 2002
6305392 Method and apparatus for removing processing liquid from a processing liquid delivery line Oct. 23, 2001
6254730 Impact angle changing shower Jul. 3, 2001
6220275 Solenoid valve Apr. 24, 2001
6209570 Automatic flush valve Apr. 3, 2001
6170506 Method and circuit for actively cleaning electrohydraulic valves in a hydraulic control valve circuit Jan. 9, 2001
6170514 City water flushing and sludge prevention control apparatus Jan. 9, 2001
5984148 Self-cleaning pressure relief and bypass valve, dispensing apparatus and method Nov. 16, 1999
5983919 Automatic drain valve Nov. 16, 1999
5967167 Remote controlled drinker system Oct. 19, 1999
5921759 Liquid metering piston pump and valves capable of being cleaned and sterilized without disassembly Jul. 13, 1999
5901729 Material flow control arrangement and method May. 11, 1999
5823221 Device and method for the automatic coupling of a teeming ladle to one or more gas pipes Oct. 20, 1998
5785087 Water hydraulic proportional control valve Jul. 28, 1998
5771917 Sanitary aseptic drain system Jun. 30, 1998
5765588 Fluid flow control device particularly useful as a pressure regulator Jun. 16, 1998

1 2 3










 
 
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