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Class Information
Number: 137/625.46
Name: Fluid handling > Systems > Multi-way valve unit > Rotary valve unit
Description: Devices comprising a valve head which rotates about its axis and has a flow passage within it, and wherein two or more branched flow passages are controlled.










Sub-classes under this class:

Class Number Class Name Patents
137/625.47 Plug 366


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8689831 Rotary fluid valve assemblies, systems and methods Apr. 8, 2014
8656955 Rotary column selector valve Feb. 25, 2014
8635719 Adjustable overflow closure device Jan. 28, 2014
8632689 Temperature control with stacked proportioning valve Jan. 21, 2014
8627851 Rebuildable micro-fluidic valve assembly Jan. 14, 2014
8622086 Multi-position micro-fluidic valve system Jan. 7, 2014
8613293 Insertion to a single-grip, rotation-operated mixing faucet Dec. 24, 2013
8608830 Valve, separation system, and method for minimizing wear Dec. 17, 2013
8567441 Sample introduction device Oct. 29, 2013
8544501 Indexing arrangement Oct. 1, 2013
8534320 Magnetic transmission Sep. 17, 2013
8534321 Stopcock Sep. 17, 2013
8459302 Fluid-directing multiport rotary valve Jun. 11, 2013
8430126 Rotary distribution apparatus incorporating interstage pumps Apr. 30, 2013
8356625 Device for the controlled guidance of a polymer melt Jan. 22, 2013
8347831 Sealed control valve for a fluid flow circuit Jan. 8, 2013
8342426 Method for adjusting telescopic water pipe and structure thereof Jan. 1, 2013
8322374 Channel switching valve Dec. 4, 2012
8317758 Stopcock valve Nov. 27, 2012
8316642 Multi-stage turbocharger system Nov. 27, 2012
8281814 Water supply valve cartridge Oct. 9, 2012
8276615 Fluid delivery extension system Oct. 2, 2012
8267119 Valve for controlling volumetric flows Sep. 18, 2012
8262783 Gas separation device Sep. 11, 2012
8235709 Multi-output valve and burner useful to promote non-stationary flame Aug. 7, 2012
8230684 Combustion engine breathing system including a compressor valve for a biturbo with cylinder deactivation Jul. 31, 2012
8210205 Rotary valve assembly Jul. 3, 2012
8191578 Rotary disc valve Jun. 5, 2012
8186382 Rotation valve for sample injection May. 29, 2012
8181670 Valve apparatus May. 22, 2012
8176937 Temperature adjustable mixing valve May. 15, 2012
8171957 Liquid distributor valve May. 8, 2012
8151825 Reverse flow wye connector Apr. 10, 2012
8147756 Device for carrying out a chemical or physical treatment Apr. 3, 2012
8132745 Showerhead with tube connectors Mar. 13, 2012
8122907 Motor assembly for pneumatic tool Feb. 28, 2012
8118050 On-line constant flow dilution Feb. 21, 2012
8100143 Multi-way valve with fan-shaped flow channel sealing pair Jan. 24, 2012
8097158 Spool valve manifold interconnect for a filter system Jan. 17, 2012
8047230 System for the chemical/physical treatment of a fluid Nov. 1, 2011
8047231 Valve element unit and gate valve apparatus Nov. 1, 2011
8033295 Multi-output valve useful to promote non-stationary flame Oct. 11, 2011
8029672 Filter head Oct. 4, 2011
8020787 Showerhead system Sep. 20, 2011
8011186 Multi-stage turbocharger system Sep. 6, 2011
8001783 Apparatus, system, and method for turbocharger bypass and exhaust braking with a single valve Aug. 23, 2011
7984730 Stopcock Jul. 26, 2011
7967027 Simple diverter valve for a roman tub with replaceable cartridge including at least two checks Jun. 28, 2011
7891377 Reverse flow wye connector Feb. 22, 2011
7849878 Gas turbine compressor water wash control of drain water purge and sensing of rinse and wash completion Dec. 14, 2010

1 2 3 4 5 6 7 8










 
 
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