Systems > Patents - Class: 137/561R

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Class Information
Number: 137/561R
Name: Fluid handling > Systems
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
137/615	Articulated or swinging flow conduit	268
137/563	Closed circulating system	225
137/599.01	Dividing into parallel flow paths with recombining	126
137/562	Faucet connected, sink drained	25
137/613	Flow path with serial valves and/or closures	427
137/593	Head-establishing standpipe or expansion chamber (e.g., surge tanks)	46
137/598	Hydraulic brake line (e.g., hill holders)	10
137/624.27	Line condition change responsive release of valve	70
137/564.5	Main line as motive fluid for follower-type feeder	58
137/581	Movable tank	12
137/625	Multi-way valve unit	21
137/597	Multiple inlet with multiple outlet	418
137/602	Multiple inlet with single outlet	58
137/561A	Non-valved flow dividers	310
137/594	Plural noncommunicating flow paths	78
137/626	Plural petcocks	2
137/571	Plural tanks or compartments connected for serial flow	189
137/624.11	Programmer or timer	318
137/627	Sequential distributor or collector type	35
137/627.5	Sequentially closing and opening alternately seating flow controllers	318
137/628	Sequentially progressive opening or closing of plural valves	47
137/596	Supply and exhaust	256
137/583	System with plural openings, one a gas vent or access opening	32
137/590	Tank with internally extending flow guide, pipe or conduit	265
137/577	Tank with movable or adjustable outlet or overflow pipe	60
137/637	Valves with separate, correlated, actuators	62
137/582	With antisplash means not in flow passage	14
137/861	With flow control means for branched passages	77
137/635	With preselecting means for plural valve actuator	25
137/565.01	With pump	81
137/580	With running joint between movable parts of system	150
137/636	With selective motion for plural valve actuator	45

Patents under this class:

1 2

Patent Number	Title Of Patent	Date Issued
7547396	Thickener/clarifier feedwell assembly with froth dissipation	Jun. 16, 2009
7533788	Valve and tap incorporating same	May. 19, 2009
7290558	Modular and mobile waste and/or hazardous liquid containment and collection shower system	Nov. 6, 2007
7210495	Gas line safety valve system	May. 1, 2007
7168448	Exhaust-steam pipeline for a steam power plant	Jan. 30, 2007
7096885	Non-pressurized flow-splitting water supply system	Aug. 29, 2006
7086409	Fluid control island	Aug. 8, 2006
7044113	Systems for delivering liquified gas to an engine	May. 16, 2006
6941703	Self-cleaning flooring system	Sep. 13, 2005
6938639	Disposable fluid control island	Sep. 6, 2005
6880566	Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system	Apr. 19, 2005
6851441	Apparatus for collecting rainwater	Feb. 8, 2005
6834666	Apparatus for outputting compressed air in compressor	Dec. 28, 2004
6776308	Apparatus with multiple paint intakes	Aug. 17, 2004
6718997	Metering and pressure reduction piping system	Apr. 13, 2004
6653245	Method for liquid phase deposition	Nov. 25, 2003
6637453	Disposable surgical and diagnostic fluid control island	Oct. 28, 2003
6635172	Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system	Oct. 21, 2003
6626205	Fluidic device	Sep. 30, 2003
6616973	Liquid phosphorous precursor delivery apparatus	Sep. 9, 2003
6488045	Water supply manifold and method for its production	Dec. 3, 2002
6347783	Arrangement for preventing undesirable pressures when blocking off or throttling the transport of liquid in a pipeline	Feb. 19, 2002
6283391	Fuel Injector	Sep. 4, 2001
6202689	Fluid-collecting receptacle having hinged upper sheet	Mar. 20, 2001
6102073	Fluid-collecting receptacle	Aug. 15, 2000
6000933	Variable burner orifice furnace manifold	Dec. 14, 1999
5950651	Method and device for transporting a multi-phase flow	Sep. 14, 1999
5944444	Control system for draining, irrigating and heating an athletic field	Aug. 31, 1999
5858492	Thermoplastic multilayer composites	Jan. 12, 1999
5738139	Waste water recovery system	Apr. 14, 1998
5706540	Automatic cleaners for sweeping and cleaning swimming pools	Jan. 13, 1998
5406970	Chemical injection system	Apr. 18, 1995
5341841	Fluid distribution device	Aug. 30, 1994
5311904	Valve with function to prevent stagnants water	May. 17, 1994
5287873	Installation and process for the distribution of very high purity nitrogen	Feb. 22, 1994
5107892	Weir construction for liquid distributors	Apr. 28, 1992
5101847	Method and apparatus for equalizing airflow velocity	Apr. 7, 1992
5056558	Dunnage airbag pressure controller	Oct. 15, 1991
4993454	Piping branch structure	Feb. 19, 1991
4987921	Method of fabricating frozen fine liver piece for artificial liver, apparatus for freezing the same and freezing vessel	Jan. 29, 1991
4974633	System for controlling the flow of a fluid medium relative to an object	Dec. 4, 1990
4961442	Dynamic containment device	Oct. 9, 1990
4960151	System for storing a hazardous liquid	Oct. 2, 1990
4927359	Fluid distribution apparatus	May. 22, 1990
4921009	Torque control system	May. 1, 1990
4917146	Fluid distributor in a pressurized reservoir preventing thermal stratification	Apr. 17, 1990
4887645	Control station for pressurized gases	Dec. 19, 1989
4872484	System for controlling the flow of a fluid medium relative to an object	Oct. 10, 1989
4867190	Damping pressure pulsations in piping systems	Sep. 19, 1989
4842021	Support for fluid power devices	Jun. 27, 1989