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Class Information
Number: 137/572
Name: Fluid handling > Systems > Plural tanks or compartments connected for serial flow > Separable with valved-connecting passage
Description: Systems in which the plural tanks are so constructed that they may be separated from one another and in which the passage by which the tanks are connected contains a valve or closure.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8701701 Float switch of a humidifier Apr. 22, 2014
8579332 Tank arrangement and vehicle with a tank arrangement Nov. 12, 2013
8485361 Large container for handling and transporting high-purity and ultra high purity chemicals Jul. 16, 2013
8468840 Method and apparatus for simultaneous gas supply from bulk specialty gas supply systems Jun. 25, 2013
8347912 Waste water pumping device Jan. 8, 2013
8261722 Delivery unit Sep. 11, 2012
8192616 Pressurized wastewater effluent chlorination system Jun. 5, 2012
8161998 Frozen/chilled fluid for pipelines and for storage facilities Apr. 24, 2012
8061383 Fuel additive dosing system, apparatus, and method Nov. 22, 2011
8011383 Fuel tank for an agricultural vehicle Sep. 6, 2011
7727465 System and method for producing massive amounts of elemental iodine Jun. 1, 2010
7658181 Delivery device for delivering fuel out of a fuel tank Feb. 9, 2010
7631658 Water supply system Dec. 15, 2009
7393450 System for maintaining pH and sanitizing agent levels of water in a water feature Jul. 1, 2008
RE39507 Fuel supply system Mar. 13, 2007
7168458 Water treatment product, delivery method and means of packaging Jan. 30, 2007
7025082 On-board refueling system for vehicles Apr. 11, 2006
6935367 Flotation cell fluid level control apparatus Aug. 30, 2005
6834679 Transfer line and cleaning method for a transfer line Dec. 28, 2004
6736354 Airplane fuel supply system and airplane wing pipeline assembly method May. 18, 2004
6629542 Rapid installation mobile water modifying system and related methods Oct. 7, 2003
6598617 Cascaded variable bias feedforward and feedback flow and level control system Jul. 29, 2003
6527007 Fluid transfer system Mar. 4, 2003
6520161 Fuel supply system Feb. 18, 2003
6436720 Residence time providing module/apparatus Aug. 20, 2002
6408830 Fuel pump module for a fuel tank Jun. 25, 2002
6391192 Apparatus for treating biological sludge May. 21, 2002
6371159 Fuel transfer system Apr. 16, 2002
6314981 Device for connecting and transfer of fluid between a supply reservoir and a receiving reservoir Nov. 13, 2001
6241953 Thermal reactor with self-regulating transfer mechanism Jun. 5, 2001
6167903 Fuel dispenser for a vehicle Jan. 2, 2001
6125882 Fluid transfer system Oct. 3, 2000
6026837 Automated chemical drain system Feb. 22, 2000
6012481 Constant-level fluid supplier Jan. 11, 2000
5960810 Lime slurry injection system and method for septic pumpers Oct. 5, 1999
5954078 Method and apparatus for handling liquid chemical waste Sep. 21, 1999
5950662 Supplemental water system Sep. 14, 1999
5947154 Container for liquids Sep. 7, 1999
5878767 Fluid transfer system Mar. 9, 1999
5851384 Apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines Dec. 22, 1998
5829265 Suction service valve Nov. 3, 1998
5769061 Fuel supply system having a suction filter in a sub-tank Jun. 23, 1998
5718260 Fuel transfer apparatus Feb. 17, 1998
5660358 Fuel supply system Aug. 26, 1997
5642719 Automotive fuel delivery module with fuel level actuated reservoir Jul. 1, 1997
5636654 Fuel equalization line for vehicles and method of using same Jun. 10, 1997
5598860 Device for cleaning contact lenses Feb. 4, 1997
5593596 System and method for collecting cutting fluid liquid and chips Jan. 14, 1997
5534142 Flow-reversing system for series connected reaction chambers Jul. 9, 1996
5510018 System to re-circulate treatment material in processes of surface treatment and finishing Apr. 23, 1996

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