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Class Information
Number: 137/109
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems
Description: Systems in which a single flow is divided into a plurality of flow paths or a plurality of flow paths are combined into a single flow path or in which a single flow path is divided and then recombined, and in which the flow in one branch or line is controlled in response to a change in a condition in another branch or line.










Sub-classes under this class:

Class Number Class Name Patents
137/115.01 Bypass or relief controlled by main line fluid condition 19
137/110 Dividing and recombining 174
137/111 Plural inflows 81
137/118.01 Plural outflows 29


Patents under this class:

Patent Number Title Of Patent Date Issued
8672875 Medication safety enhancement for secondary infusion Mar. 18, 2014
8616227 Multilevel microfluidic systems and methods Dec. 31, 2013
8475743 Multilevel microfluidic systems and methods Jul. 2, 2013
8453647 Device for pressure equalization on a medical gas delivery means Jun. 4, 2013
8146711 Reduced gulp fluid reservoir Apr. 3, 2012
7416903 Wavy interface mixer Aug. 26, 2008
7316859 Storage system and method for supplying hydrogen to a polymer membrane fuel cell Jan. 8, 2008
7258127 Pressure diverter valve and system Aug. 21, 2007
7055546 Fluid intake pressure regulating system Jun. 6, 2006
6931342 Regulating device and method to regulate and/or calibrate a mixing valve Aug. 16, 2005
6929099 Rotary feed-through Aug. 16, 2005
6926205 Fluid supply failure protection valve Aug. 9, 2005
6712242 Fluid dispensing system and dual-mode, system fluid actuated valve for use therein Mar. 30, 2004
6619311 Microfluidic regulating device Sep. 16, 2003
6581630 Pressure control valve Jun. 24, 2003
6299657 Process for carrying out chemical reactions using a microlaminar mixer Oct. 9, 2001
6270483 Liquid discharge regulator and liquid feeder equipped with the same Aug. 7, 2001
6240949 Three-way diverter valve Jun. 5, 2001
6016834 Propane vehicle tank and shut-off valve Jan. 25, 2000
6006776 Integrated drive generator recirculation valve with feedback control Dec. 28, 1999
5906751 Filtering apparatus with improved quick-opening backwash valve May. 25, 1999
5882509 Chip-washing arrangement Mar. 16, 1999
5771916 Automatic shut-off for a conduit fluid containment system Jun. 30, 1998
5588088 Hot water tempering system utilizing a storage tank, a bypass line and a proportional flow controller Dec. 24, 1996
5375619 Protective circuit for pressure and return Dec. 27, 1994
5228594 Metered liquid dispensing system Jul. 20, 1993
5003780 Fluidic valve mechanism Apr. 2, 1991
4808302 Water purifier valve Feb. 28, 1989
4405000 Automatic shutoff valve Sep. 20, 1983
4226558 Control system Oct. 7, 1980
4179887 Hydraulic control with delay Dec. 25, 1979
4061156 Transition module for a pneumatic sequencer and an associated sequencer Dec. 6, 1977
3933166 Altitude compensated vacuum regulating valve Jan. 20, 1976











 
 
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