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Class Information
Number: 137/256
Name: Fluid handling > Plural tanks or compartments with parallel flow > Sequentially filled and emptied (e.g., holding type)
Description: Apparatus having means for successively filling the tanks and means for subsequently emptying the filled tanks in succession. Many of the patents in this group of subclasses are directed to milk pasteurization tank systems, wherein milk at pasteurization temperatures is retained in a tank for a period of time before the tank is emptied.

Sub-classes under this class:

Class Number Class Name Patents
137/257 With relative rotation of tank group and filling head 1

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8539938 Fuel systems and methods for controlling fuel systems in a vehicle with multiple fuel tanks Sep. 24, 2013
8381756 Method for supplying gas Feb. 26, 2013
8376088 Twin lubrication tank filling system Feb. 19, 2013
8197988 Hydrogen supply system for fuel cell Jun. 12, 2012
8011383 Fuel tank for an agricultural vehicle Sep. 6, 2011
8011317 Advanced mixing system for integrated tool having site-isolated reactors Sep. 6, 2011
7987877 Method for managing storage of gaseous hydrogen Aug. 2, 2011
7980425 Metering pump for dispensing liquid Jul. 19, 2011
7846314 Handling a plurality of samples Dec. 7, 2010
7814926 Liquid aspirator Oct. 19, 2010
7618407 Bag system with device for associating sampling receptacles Nov. 17, 2009
7357142 Apparatus for continuously aspirating a fluid from a fluid source Apr. 15, 2008
7325561 Hydrogen vehicle gas utilization and refueling system Feb. 5, 2008
7311116 Gas regulation system and process for operating the gas regulation system Dec. 25, 2007
7287543 Hydraulic device Oct. 30, 2007
7201178 Continuous chemical feeder and method of use thereof Apr. 10, 2007
7168442 Liquid handling system Jan. 30, 2007
7044152 Apparatus for in-situ remediation using a closed delivery system May. 16, 2006
6886582 Spare fuel tank in a fuel tank of a vehicle May. 3, 2005
6666226 Series/parallel relief valve for use with aircraft gaseous oxygen system Dec. 23, 2003
6659122 Dual tank simultaneous fill system Dec. 9, 2003
6530393 Fuel tank and fuel tank filling arrangement Mar. 11, 2003
6508265 Dual fuel tank system with single fuel nozzle Jan. 21, 2003
6450193 Flammable liquids Sep. 17, 2002
6314978 Reciprocating feed system for fluids Nov. 13, 2001
6269851 Filling pipe Aug. 7, 2001
6240868 Containment structure and method of manufacture thereof Jun. 5, 2001
6216755 Method and device for filling containers Apr. 17, 2001
6209594 Filling pipe Apr. 3, 2001
6206027 Tank for pressurized fluid, in particular for liquefied gas Mar. 27, 2001
6158485 Filling device Dec. 12, 2000
6125876 Apparatus and process for delivering an abrasive suspension for the mechanical polishing of a substrate Oct. 3, 2000
6089282 Method for recovery and reuse of gas Jul. 18, 2000
6085762 Apparatus and method for providing pulsed fluids Jul. 11, 2000
6070610 Fluid operated timer for a plurality of reservoirs Jun. 6, 2000
6058954 Supply and collection of solutions May. 9, 2000
6014995 Onsite petrochemical storage and transport system Jan. 18, 2000
5951050 Integral reservoir for tank Sep. 14, 1999
5873383 General service water storing equipment Feb. 23, 1999
5832948 Liquid transfer system Nov. 10, 1998
5722447 Continuous recirculation fluid delivery system and method Mar. 3, 1998
5673735 Process for storing and delivering gas Oct. 7, 1997
5653255 Sewage treatment system Aug. 5, 1997
5636665 Method and apparatus for filling and emptying of tank vehicles Jun. 10, 1997
5502685 Continuous batch mix sprayer Mar. 26, 1996
5197443 Fuel system for diesel truck Mar. 30, 1993
5105845 Control apparatus for regulating liquid levels in liquid storage tanks Apr. 21, 1992
4997003 Liquid waste evacuation and transfer system Mar. 5, 1991
4932609 Fuel transfer system for aircraft Jun. 12, 1990
4923152 Two-liquid propulsive system for an artificial satellite and utilization of said system for ejecting the satellite May. 8, 1990

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