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Class Information
Number: 137/571
Name: Fluid handling > Systems > Plural tanks or compartments connected for serial flow
Description: Systems in which two or more tanks or compartments are connected in such manner that all tanks except the last in the flow sequence deliver fluid only to one other tank and to no other type of receiver.

Sub-classes under this class:

Class Number Class Name Patents
137/573 Fluid progresses by zigzag flow 24
137/574 Plural compartments formed by baffles 220
137/575 Plural top-to-bottom connected tanks 45
137/572 Separable with valved-connecting passage 111
137/576 With communicating opening in common walls of tanks or compartments 168

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8664281 Methods and arrangement for handling asphalt emulsion Mar. 4, 2014
8615986 Process for transferring a liquid using a pump Dec. 31, 2013
8579332 Tank arrangement and vehicle with a tank arrangement Nov. 12, 2013
8579143 Reserve tank Nov. 12, 2013
8580111 Device for separating fuel components Nov. 12, 2013
8557113 Cart and installation for treating biological liquid Oct. 15, 2013
8528593 Bleed and feed device and method Sep. 10, 2013
8491791 Fluidics device Jul. 23, 2013
8459300 Arrangement for feeding a liquid additive for an internal-combustion engine Jun. 11, 2013
8408236 Drain treatment system Apr. 2, 2013
8356618 Water separator for small boat fuel systems Jan. 22, 2013
8347913 Combustible fuel piping system and combustible fuel supply system using the same Jan. 8, 2013
8336507 Protection for heat transfer oil boiler Dec. 25, 2012
8277747 Continuous hot fill process Oct. 2, 2012
8273293 Continuous hot fill process Sep. 25, 2012
8220663 Multiple inlet tube dispensing system Jul. 17, 2012
8201577 Feeding arrangement for a liquid additive for an internal-combustion-engine Jun. 19, 2012
8192616 Pressurized wastewater effluent chlorination system Jun. 5, 2012
8175787 Electrical fuel transfer pump diagnostic May. 8, 2012
8158076 Continuous hot fill process Apr. 17, 2012
8151818 System for supplying hydraulic fluid Apr. 10, 2012
8141584 Water collection, storage, and distribution system Mar. 27, 2012
8113237 System for controlling fluid level in a sump Feb. 14, 2012
8096112 Exhaust after-treatment system having a secondary tank Jan. 17, 2012
8074932 NEA distribution system for OBIGGS applications Dec. 13, 2011
8074819 Siphon tube for a multi-chamber fluid reservoir Dec. 13, 2011
RE42771 Method of operation of a device for energy conversion using a main fuel and at least one auxiliary fuel Oct. 4, 2011
7927482 Method and system for containing and removing dental waste Apr. 19, 2011
7892422 Pressurized wastewater effluent chlorination system Feb. 22, 2011
7882897 Device for limiting the ultimate consequences of a failure to bring under control a mass fire in a storage bin for hazardous materials Feb. 8, 2011
7854598 Fuel supply device having a heat sink support Dec. 21, 2010
7727465 System and method for producing massive amounts of elemental iodine Jun. 1, 2010
7640946 Vacuum treating device with lidded treatment container Jan. 5, 2010
7631658 Water supply system Dec. 15, 2009
7631659 Fluid tank Dec. 15, 2009
7628529 Systems and methods for mixing paint Dec. 8, 2009
7568660 Auxiliary fuel tank systems for aircraft and methods for their manufacture and use Aug. 4, 2009
7484370 Refrigerant gas recycling apparatus for cryogenic cooling device Feb. 3, 2009
7455782 Grit removal system and method for emergency water reservoir Nov. 25, 2008
7445759 System and method for producing massive amounts of elemental iodine Nov. 4, 2008
7380626 Service vehicle Jun. 3, 2008
7252111 Transport of highly viscous fluids in closed pipeline systems Aug. 7, 2007
7216633 Transfer jet pump prime reservoir with integrated anti-siphon valve feature May. 15, 2007
7207318 Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel Apr. 24, 2007
7182071 Device for fuel transfer in combustion engines Feb. 27, 2007
7178512 Fuel system for a marine vessel with a gaseous purge fuel container Feb. 20, 2007
7168442 Liquid handling system Jan. 30, 2007
7137409 Multilayered pressure vessel and method of manufacturing the same Nov. 21, 2006
7124768 Method for transferring aqueous polymer dispersions from one container to another container Oct. 24, 2006
7100634 Liquid collection basin connection assembly Sep. 5, 2006

1 2 3 4 5

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