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Class Information
Number: 62/903
Name: Refrigeration > Apparatus > Heat exchange structure
Description: Subject matter under 902 with specific heat exchangers positioned within the distillation column (example: condenser/reboilers).










Sub-classes under this class:

Class Number Class Name Patents
62/904 Coiled heat exchanger 5


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8540878 Structured packing module for mass transfer column and process involving same Sep. 24, 2013
8424340 LNG system employing stacked vertical heat exchangers to provide liquid reflux stream Apr. 23, 2013
8020408 Separation method and apparatus Sep. 20, 2011
7779648 Heat exchanger with enhanced air distribution Aug. 24, 2010
7637112 Heat exchanger design for natural gas liquefaction Dec. 29, 2009
7546748 Process and apparatus for the separation of air by cryogenic distillation Jun. 16, 2009
7516626 Apparatus for the low-temperature separation of a gas mixture, in particular air Apr. 14, 2009
7484384 Boil off gas condenser Feb. 3, 2009
7421856 Cryogenic air separation with once-through main condenser Sep. 9, 2008
7380414 Method and system for treating an oxygen-rich liquid bath collected at the foot of a cryogenic distillation column Jun. 3, 2008
7310971 LNG system employing optimized heat exchangers to provide liquid reflux stream Dec. 25, 2007
7296437 Process for separating air by cryogenic distillation and installation for implementing this process Nov. 20, 2007
7263859 Process and apparatus for cooling a stream of compressed air Sep. 4, 2007
7219514 Method for separating air by cryogenic distillation and installation therefor May. 22, 2007
7188492 Plate heat exchanger Mar. 13, 2007
7152432 Multistory bath condenser Dec. 26, 2006
7134297 Low-temperature air fractionation process Nov. 14, 2006
6834515 Plate-fin exchangers with textured surfaces Dec. 28, 2004
6748763 Multistoreyed bath condenser Jun. 15, 2004
6745828 Brazed-plate heat exchanger and air distillation device fitted with said exchanger Jun. 8, 2004
6695043 Falling-film evaporator and corresponding air distillation plants Feb. 24, 2004
6629433 Process and apparatus for heat exchange Oct. 7, 2003
6622784 Reboiler/condenser heat exchanger of the bath type Sep. 23, 2003
6543252 Vaporizer-condenser and corresponding air distillation installation Apr. 8, 2003
6430961 Process and device for the low-temperature fractionation of air Aug. 13, 2002
6393866 Cryogenic condensation and vaporization system May. 28, 2002
6360561 Apparatus and method of heating pumped liquid oxygen Mar. 26, 2002
6351969 Cryogenic nitrogen production system using a single brazement Mar. 5, 2002
6349566 Dephlegmator system and process Feb. 26, 2002
6338384 Downflow liquid film type condensation evaporator Jan. 15, 2002
6311517 Apparatus and process for fractionating a gas mixture at low temperature Nov. 6, 2001
6295836 Cryogenic air separation system with integrated mass and heat transfer Oct. 2, 2001
6295839 Cryogenic air separation system with integrated mass and heat transfer Oct. 2, 2001
6237366 Cryogenic air separation system using an integrated core May. 29, 2001
6189338 Brazed-plates condenser and its application to double air-distillation columns Feb. 20, 2001
6128920 Dephlegmator Oct. 10, 2000
6101841 Cryogenic rectification system with high strength and high capacity packing Aug. 15, 2000
6044902 Heat exchange unit for a cryogenic air separation system Apr. 4, 2000
RE36577 Air distillating column with cross-undulating lining Feb. 22, 2000
6023943 Condensating-fractionating tower system Feb. 15, 2000
5983666 Air separation plant and method of fabrication Nov. 16, 1999
5979182 Method of and apparatus for air separation Nov. 9, 1999
5956972 Method of operating a lower pressure column of a double column distillation unit Sep. 28, 1999
5937656 Nonfreezing heat exchanger Aug. 17, 1999
5935848 Deep-freezing container Aug. 10, 1999
5924308 Heat exchange method and apparatus Jul. 20, 1999
5921108 Reflux condenser cryogenic rectification system for producing lower purity oxygen Jul. 13, 1999
5904205 Heat exchanger with brazed plates May. 18, 1999
5901574 Device and process for evaporating a liquid May. 11, 1999
5868199 Method and apparatus for reboiling a liquefied gas mixture Feb. 9, 1999

1 2 3










 
 
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