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Class Information
Number: 137/100
Name: Fluid handling > Self-proportioning or correlating systems > Self-proportioning flow systems > Flow comparison or differential response
Description: Systems in which the sensing means is sensitive to the differences between the rates of flow or pressure difference along the line in a plurality of flow lines or at spaced points along one line.










Sub-classes under this class:

Class Number Class Name Patents
137/101 Flow dividers (e.g., reversely acting controls) 102
137/101.11 Main line flow displaces or entrains material from reservoir 42
137/101.19 With electrical controller 87


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8640726 Cold and hot water balancing valve structure Feb. 4, 2014
8584693 Device for monitoring gas concentration and method using the device Nov. 19, 2013
8499780 Cassette system integrated apparatus Aug. 6, 2013
8496022 Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller Jul. 30, 2013
8464740 Combustor fuel control systems with flow divider assemblies Jun. 18, 2013
8459292 Cassette system integrated apparatus Jun. 11, 2013
8424554 Control valve for a reverse osmosis water purification system Apr. 23, 2013
8375974 Temperature controlling device Feb. 19, 2013
8267111 Pressure balance valve Sep. 18, 2012
8132588 Valve Mar. 13, 2012
8091575 Valve system Jan. 10, 2012
8060680 Method of allocating memory Nov. 15, 2011
8042563 Cassette system integrated apparatus Oct. 25, 2011
7967022 Cassette system integrated apparatus Jun. 28, 2011
7806134 Mixed water control valve having a water pressure balance function to stabilize a water temperature Oct. 5, 2010
7201181 Mixing valve Apr. 10, 2007
7112273 Volumetric fluid balance control for extracorporeal blood treatment Sep. 26, 2006
6945507 Gas flow control Sep. 20, 2005
6880565 Shower bath tap valve assembly Apr. 19, 2005
6792965 Shuttle valve assembly Sep. 21, 2004
6789562 Viscosity regulating valve Sep. 14, 2004
6732754 Valve group for supply and control of hot, cold and mixed water flow May. 11, 2004
6644333 Hand-held shower system with inline adjustable temperature/pressure balanced mixing valve Nov. 11, 2003
6626208 Check valve for use in a pressure balance faucet Sep. 30, 2003
6601565 Pressure regulating valve and system Aug. 5, 2003
6583525 Viscosity regulating valve Jun. 24, 2003
6572350 Screw compressor Jun. 3, 2003
6470906 Valve having safety structure for cutting off hot water Oct. 29, 2002
6446655 Faucet assembly with independent controls for temperature and flow rate Sep. 10, 2002
6446834 Dispensing means Sep. 10, 2002
6412513 Valve having an easily sealing configuration Jul. 2, 2002
6382517 Device for equalizing hot water and cold water pressures and faucet, particularly thermostatic, for said equalizing device May. 7, 2002
6379201 Marine engine cooling system with a check valve to facilitate draining Apr. 30, 2002
6354617 Level control for a vehicle having air springs Mar. 12, 2002
6302135 Water faucet control valve Oct. 16, 2001
6220270 Brake velocity fuse Apr. 24, 2001
6185986 Line break detecting method for pressurized fluid pumping systems Feb. 13, 2001
6182682 Pressure balance device for use in a faucet Feb. 6, 2001
6131600 Structure of a cold and hot water mixing valve of a balance valve Oct. 17, 2000
6095176 Mixing valve for hot and cold water Aug. 1, 2000
6074176 Proportional product injection circuit with two diaphragm valves Jun. 13, 2000
6029687 Assembling structure for balance valve of cold/hot water mixing valve Feb. 29, 2000
6012476 Pressure balancer for use in a water inlet passage of a mixing faucet Jan. 11, 2000
6009893 Assembling structure for balance valve of cold/hot water mixing valve Jan. 4, 2000
6004175 Flush valve Dec. 21, 1999
5983918 Balancing valve assembly of a cold and hot water mixing valve Nov. 16, 1999
5971912 Fluid flow controlling device and an incubator incorporating the same therein Oct. 26, 1999
5960809 Fuel equalizing system for plurality of fuel tanks Oct. 5, 1999
5931181 Anti-scald faucet system Aug. 3, 1999
5901732 Pressure balancing device May. 11, 1999

1 2 3










 
 
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