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Class Information
Number: 137/599.01
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining
Description: Subject matter comprising a fluent material branched flow line having a single inlet or admission passage and a single outlet or exhaust passage, wherein the admission and the exhaust passages are being joined by two or more flow lines or valved controlled flow passages.










Sub-classes under this class:

Class Number Class Name Patents
137/601.14 Electrical actuator 100
137/599.11 Flow passage with bypass 118
137/601.13 Fluid actuated or retarded 49
137/599.09 Fluid pressure regulator in at least one branch 47
137/599.05 Having digital flow controller 38
137/601.2 Having direct response valve (e.g., check valve, etc.) 60
137/601.18 Having guide or restrictor 62
137/601.15 Mechanical movement between actuator and valve 22
137/601.16 Rotary valve 37
137/599.16 Second valve assembly carried by first valve head 81
137/599.03 System having plural inlets 55
137/601.01 With common operator 61
137/599.02 With fluid coupling (e.g., railway car hose coupling, truck-trailer oil system coupling, etc.) 11
137/600 With foam controlling means (e.g., beer, soda faucets) 1
137/599.08 With multi way valve having serial valve in at least one branch 45


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8651137 Gas manifold system for steady gas supply at outlet Feb. 18, 2014
8636503 Pilot burner Jan. 28, 2014
8418714 Flow rate range variable type flow rate control apparatus Apr. 16, 2013
8394051 Micro-fluidic dead-end channel structure for pressure measurement within a fluid channel on the basis of the change of the volume of a trapped gas bubble Mar. 12, 2013
8316884 Safety drain system for fluid reservoir Nov. 27, 2012
8281809 Aerosol inlet flow modulator Oct. 9, 2012
8011317 Advanced mixing system for integrated tool having site-isolated reactors Sep. 6, 2011
7905251 Method for wellhead high integrity protection system Mar. 15, 2011
7876562 Electronic module having thermal cooling insert Jan. 25, 2011
7875192 Slurry flow divider Jan. 25, 2011
7849675 Supply system for a medium for treating exhaust gases of an internal combustion engine; exhaust gas cleaning device; and a method for operating a supply system Dec. 14, 2010
7771192 Combustion apparatus Aug. 10, 2010
7673846 Tube configured pressure regulating valve Mar. 9, 2010
7661652 Electromagnetically actuatable valve Feb. 16, 2010
7634993 Gas manifold for a cooking range with an emergency tap Dec. 22, 2009
7628608 Submersible gas burner Dec. 8, 2009
7547415 Fluid chip, fluid movement control method using the same, and chemical reaction apparatus Jun. 16, 2009
7513681 Static mixing device Apr. 7, 2009
7299992 Drinking water fountain having mixed hot and cold water Nov. 27, 2007
7080632 Apparatus for pumping fuel Jul. 25, 2006
7080654 Method for transporting easily polymerizable liquid by pipeline Jul. 25, 2006
7048005 Throttle valve device for a pneumatic power tool May. 23, 2006
6959734 Flow-through inflatable plug Nov. 1, 2005
6776901 Quiet flow control washer for water softener or the like Aug. 17, 2004
6615855 Stimuli-responsive hybrid materials containing molecular actuators and their applications Sep. 9, 2003
6607006 Amplitude attenuation of time-variant properties of fluid streams Aug. 19, 2003
6534003 Valve and a method of using a valve Mar. 18, 2003
6516830 Device for guiding backwater produced in a paper machine Feb. 11, 2003
6491061 Stimuli responsive hybrid materials containing molecular actuators and their applications Dec. 10, 2002
6382228 Fluid driving system for flow cytometry May. 7, 2002
6354318 System and method for handling multiphase flow Mar. 12, 2002
6298868 Multifunctional valve and use of same in reaction control system Oct. 9, 2001
6296059 Reverse circulating control valve Oct. 2, 2001
6286986 Multiple tub mobile blender and method of blending Sep. 11, 2001
6240959 Hydraulic safety fuse device Jun. 5, 2001
6235199 Parallel plumbing supply system May. 22, 2001
6219859 Cabinet door operated faucet valve Apr. 24, 2001
6193009 Electromagnetic valve for a vehicle and a power steering device Feb. 27, 2001
6189312 Fuel metering arrangement for a gas turbine engine Feb. 20, 2001
6116259 Method and apparatus for measuring and adjustably controlling vapor-liquid mixing ratio at pipe junctions Sep. 12, 2000
6102072 Water-hammerless check valve Aug. 15, 2000
6089267 Automatic by-pass valving systems and methods Jul. 18, 2000
6082398 Device for regulating the flow of gases having substantially different molar masses Jul. 4, 2000
6026840 Hydraulic control system Feb. 22, 2000
6021808 Fluid supply shut off valve system and fluid monitoring device for use with same Feb. 8, 2000
5992445 Float unit for controlling the filling level of liquid gases in vessels Nov. 30, 1999
5979488 Bleed system Nov. 9, 1999
5900214 Device for delivering any one of a plurality of gases to an apparatus May. 4, 1999
5881767 Modular piezo valve arrangement Mar. 16, 1999
5881766 Manifold and station for mounting steam/condensate responsive devices in a condensate return line Mar. 16, 1999

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