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Class Information
Number: 137/264
Name: Fluid handling > Plural tanks or compartments with parallel flow > Tank within tank
Description: Apparatus in which one tank is positioned within another.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8522811 Auto flow steam trap Sep. 3, 2013
8491720 HVPE precursor source hardware Jul. 23, 2013
8448658 Rescue device for leakage of dangerous chemicals May. 28, 2013
8376088 Twin lubrication tank filling system Feb. 19, 2013
8327865 Pressure controlled gas storage Dec. 11, 2012
7784485 Plant for storing gas under pressure Aug. 31, 2010
7516752 Boil-off compensating cryoadsorption container for liquid gas storage Apr. 14, 2009
7124714 Fuel supply apparatus using low boiling point fuel and its control method Oct. 24, 2006
6962268 Device for storing and mixing two gases Nov. 8, 2005
6886582 Spare fuel tank in a fuel tank of a vehicle May. 3, 2005
6851396 On-board fuel feed system for a motor vehicle Feb. 8, 2005
6742554 Device for overheat protection for a type 4 compressed gas container Jun. 1, 2004
6684899 Apparatus for safely containing and delivering hazardous fluid substances from at least two supply cylinders Feb. 3, 2004
6532983 System for venting a liquid tank Mar. 18, 2003
6516754 Convective heating system for liquid storage tank Feb. 11, 2003
6450193 Flammable liquids Sep. 17, 2002
6418965 Device for storing and mixing two gases Jul. 16, 2002
6381979 Dual containment condensation assembly May. 7, 2002
6263902 Tank for gaseous fuels with additional internal reservoir Jul. 24, 2001
6216908 Pivotal fuel sending unit Apr. 17, 2001
6209594 Filling pipe Apr. 3, 2001
6167978 Integration of an engine lubrication system with an engine fuel system Jan. 2, 2001
5971009 Dual containment assembly Oct. 26, 1999
5951050 Integral reservoir for tank Sep. 14, 1999
5881760 Modular steel tank with casting wall Mar. 16, 1999
5814213 Skimming apparatus Sep. 29, 1998
5769109 Storage vault with overflow containment collar Jun. 23, 1998
5678591 Two-components pressure feed system Oct. 21, 1997
5657788 Liquid storage container with insulated casing enclosing emergency relief vent Aug. 19, 1997
5570714 Explosion-retardant containment vessel for storage of flammable liquids Nov. 5, 1996
5569151 Handling and delivery system for dangerous gases Oct. 29, 1996
5546774 Pre-rinse dispenser Aug. 20, 1996
5469701 Fluid storage and expulsion system Nov. 28, 1995
5333465 Underground storage system for natural gas Aug. 2, 1994
5333641 Containment vessel for environmentally sealing a chemical compound Aug. 2, 1994
5251473 Method and storage tank system for aboveground storage of flammable liquids Oct. 12, 1993
5179971 Sidewall support for dual containment vessels Jan. 19, 1993
5082034 Secondary containment dispensing tank Jan. 21, 1992
4989572 Vehicle fuel system with reduced tank heating Feb. 5, 1991
4823829 Liquid metering and mixing device Apr. 25, 1989
4813445 Apparatus for supplying fuel under negative gravity conditions Mar. 21, 1989
4790447 Modification to floating roof tank design Dec. 13, 1988
4587992 Hydraulic reservoir with contamination separation May. 13, 1986
4520840 Hydropneumatic energy reservoir for accumulating the braking energy recovered on a vehicle Jun. 4, 1985
4376489 Container for hazardous material Mar. 15, 1983
4370998 Fuel tank for reserving different kinds of fuels Feb. 1, 1983
4305416 Fuel tank for automobiles Dec. 15, 1981
4294279 Fuel tanks Oct. 13, 1981
4188969 Reserve fuel tank system Feb. 19, 1980
4178955 Vehicle fuel tank Dec. 18, 1979

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