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Class Information
Number: 137/599.14
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Flow passage with bypass > Including cleaning, treating, or heat transfer feature

Sub-classes under this class:

Class Number Class Name Patents
137/599.15 Water treatment feature 19

Patents under this class:
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Patent Number Title Of Patent Date Issued
8671979 System and valve unit for mixing-delivery sanitary water and/or purified water Mar. 18, 2014
8402993 Hydraulic fluid cooling system for a dual clutch automatic transmission Mar. 26, 2013
8316886 Near boiler piping apparatus with open drain Nov. 27, 2012
8186380 Decompression apparatus and inorganic porous body May. 29, 2012
8047451 Windshield heat and clean Nov. 1, 2011
7971603 Header for a heat exchanger Jul. 5, 2011
7883621 Oil bypass device, and engine fitted with such a device Feb. 8, 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
7814934 Adsorbent fractionator directional flow control valve assembly apparatus and method Oct. 19, 2010
7757378 Resin impregnation process with enhanced fluidic control Jul. 20, 2010
7527069 Electromagnetic split flapper pressure relief valve May. 5, 2009
7243679 Adsorbent fractionator directional flow control valve assembly apparatus and method Jul. 17, 2007
7191789 Transition adaptor and component modules for hydronic heating Mar. 20, 2007
7140384 Substrate processing equipment having mass flow controller Nov. 28, 2006
6966365 Outflow prevention device Nov. 22, 2005
6830527 Cooling system for working fluid used in automatic transmission of automotive vehicle Dec. 14, 2004
6799631 Heat exchanger with integrated flow control valve Oct. 5, 2004
6740000 Cooling system for working fluid used in automatic transmission of automotive vehicle May. 25, 2004
6668860 Switching device for optionally passing a flow of medium through a first or second treatment member Dec. 30, 2003
6467504 N connection Oct. 22, 2002
6416293 Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge Jul. 9, 2002
6269835 Pressure-regulating arrangement Aug. 7, 2001
6206021 Sleeve valve with clean out section Mar. 27, 2001
6192930 Valve device Feb. 27, 2001
6135145 Valve and filtration arrangement for polymer processing system Oct. 24, 2000
6109301 Multiple magnetic valve for a liquid-regulated heating and/or cooling installation Aug. 29, 2000
5992515 Transmission fluid cooler-bypass unit for a transmission fluid cooling system Nov. 30, 1999
5922286 Device for delivering any one of a plurality of gases to an apparatus Jul. 13, 1999
5819784 Water purifier having a water discharge valve for draining water storage tanks Oct. 13, 1998
5566881 Automotive hot-water Heating apparatus Oct. 22, 1996
5494078 Pneumatic lift device for dual flow valve Feb. 27, 1996
5421365 Flow control apparatus Jun. 6, 1995
5421813 Method for cleaning humor replacing circuit, joint for forming the circuit, and medical instrument container, for use in medical treatment Jun. 6, 1995
5253954 Alternate intake pipe system to eliminate zebra mussel colonization Oct. 19, 1993
4995448 Engine oil cooling system Feb. 26, 1991
4930540 Flow diverter for a vehicle heating system Jun. 5, 1990
4657040 Bypass reverse flow valve Apr. 14, 1987
4550710 Modular water heater connection apparatus and method for fabricating same Nov. 5, 1985
4496463 Duplex strainer Jan. 29, 1985
4469131 Spool valve Sep. 4, 1984
4412648 Control valve assembly for steam radiators Nov. 1, 1983
4304259 Plant circuit having change-over means for changing sequence of flow Dec. 8, 1981
4147182 Control valve, in particular two- or three-way valve for heat exchangers and the like Apr. 3, 1979
4136032 Liquid treatment apparatus Jan. 23, 1979
4130133 Bypass valving fluid control arrangement Dec. 19, 1978
4105555 Multi-port valve Aug. 8, 1978
4063571 Flow regulator and system Dec. 20, 1977
4013087 Disposal of liquid effluent from sewage treatment plants Mar. 22, 1977
4003397 Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same Jan. 18, 1977
3935108 Changeover valves with bypass and bent valving Jan. 27, 1976

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