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Class Information
Number: 137/119.01
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural outflows > Alternately or successively substituted outflow
Description: Subject matter wherein (a) the fluid is flowing first through one outlet and then changed to another outlet, or (b) more than two outlets are substituted for each other in sequence; in response to the change in the condition or characteristic of the main line flow detected by the sensor.

Sub-classes under this class:

Class Number Class Name Patents
137/120 Control by filling auxiliary gravitating or float operating tank 4
137/121 Control by filling outlet tank or receiver 5
137/119.1 Electrical control 15
137/119.06 Flow rate responsive 30
137/119.02 Four port reversing valve 7
137/119.08 Pressure responsive 29
137/119.03 Responsive to pressure or flow interruption 48

Patents under this class:

Patent Number Title Of Patent Date Issued
8443832 Sequencer assembly, system and method May. 21, 2013
7395633 Rainwater collection and diverging system Jul. 8, 2008
7121292 Gray water reclamation system and method for providing and operating same Oct. 17, 2006
7077153 Side control faucet with diverter assembly Jul. 18, 2006
6904926 Systems and methods for collecting and distributing gray water Jun. 14, 2005
6895988 Self-actuating control valve for a bed pad or seat pad May. 24, 2005
6581624 Automatic pressurized fluid switching device Jun. 24, 2003
6371150 Flow dividing valve Apr. 16, 2002
6357467 Automatic water supply shutoff valve Mar. 19, 2002
5743286 Reverse flow proof control-valve for a mono-faucet Apr. 28, 1998
5653255 Sewage treatment system Aug. 5, 1997
5518019 Diverter and volume control valve May. 21, 1996
4846211 Inlet valve in a two-tower air drier Jul. 11, 1989
4745964 Steam trap and diverter apparatus May. 24, 1988
4337795 Single lever mixing faucet Jul. 6, 1982
4316485 Single handle mixing valve with improved seat Feb. 23, 1982
4224962 Change valve Sep. 30, 1980
4121895 Kinetic energy type pumping system Oct. 24, 1978
4005726 Thermomagnetic valve Feb. 1, 1977
3966602 Process and apparatus for reclaiming and regenerating spent solvent Jun. 29, 1976
3949774 Valve Apr. 13, 1976

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