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Class Information
Number: 159/43.1
Name: Concentrating evaporators > Fluid feed or discharge devices
Description: Subject matter including means specifically designed for feeding liquid to, or discharging concentrate from, the liquid container or for feeding a heating fluid to, or discharging it from, the container.

Sub-classes under this class:

Class Number Class Name Patents
159/44 Automatic 177
159/43.2 With alternating operating means 6

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8691054 Multi-stage flash evaporator Apr. 8, 2014
8613840 Solar-powered distillation system Dec. 24, 2013
8518212 Devolatilization apparatus and process Aug. 27, 2013
8486233 Apparatus, process and system for delivering fluid to a distillation column or reactor Jul. 16, 2013
8486223 Falling film evaporator Jul. 16, 2013
8444830 Desalination May. 21, 2013
8440056 Heat integrated distillation apparatus May. 14, 2013
8303766 Method and device for evaporating a fluid Nov. 6, 2012
8241459 Polymer melt distributor header design Aug. 14, 2012
8092655 Dividing wall column for fractionation of a multicomponent mixture Jan. 10, 2012
8088257 Solar distillation system Jan. 3, 2012
8052845 Reflux divider for a column having portions for the transfer of material arranged in parallel Nov. 8, 2011
8052846 Liquid cleaning device Nov. 8, 2011
8034214 Reciprocating evaporator Oct. 11, 2011
7985322 Containment extension and processing system and method Jul. 26, 2011
7981253 Distillation tower baffle Jul. 19, 2011
7959768 Partial load enabled falling film evaporator and method for operating a partial load Jun. 14, 2011
7857940 Liquid radioactive waste treatment system Dec. 28, 2010
7822583 Method of batch falling strand devolatilizer Oct. 26, 2010
7770511 Method and device for preparing liquid Aug. 10, 2010
7682484 Apparatus and method for removing volatile components from viscous liquids Mar. 23, 2010
7658817 Industrial evaporation apparatus Feb. 9, 2010
7628893 Apparatus and method for separation Dec. 8, 2009
7540936 Oil/water separation system Jun. 2, 2009
7476299 Vessel for easily polymerizable compound Jan. 13, 2009
7381310 Installation used to obtain salt-free sea water at a low temperature with continuous operation and enthalpy recovery Jun. 3, 2008
7332347 Apparatus and method for concentrating and collecting analytes from a flowing liquid stream Feb. 19, 2008
7112262 Device for downward flow evaporation of a liquid substance and subsequent condensation of the vapour formed Sep. 26, 2006
7087139 Apparatus and method for removal of volatiles from a mass processable polymer Aug. 8, 2006
7001575 Device for feeding educts to parallel spaces Feb. 21, 2006
6998026 Method for producing tertiary C.sub.4-C.sub.8-alkyl esters of (meth)acrylic acid Feb. 14, 2006
6887345 Process and device for evaporating liquids, for example black liquor from cellulose cooking, which contain solid and dissolved substances May. 3, 2005
6830654 Method and device for treating water for evaporation Dec. 14, 2004
6793770 Evaporator Sep. 21, 2004
6780281 Strand evaporator Aug. 24, 2004
6761797 Apparatus for carrying out mass transfer processes Jul. 13, 2004
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method Oct. 21, 2003
6554965 Rectification column for isolating pure substances from high boiling air-and/or temperature sensitive substances Apr. 29, 2003
6536233 Process and installation for the production of ultra-pure oxygen by distillation of air Mar. 25, 2003
6475349 Distillation column and method for promoting a uniform vapor flow Nov. 5, 2002
6461572 Method and apparatus for concentrating a solute in solution with a solvent Oct. 8, 2002
6395139 Feed distributor for a liquid distributor of a distillation column May. 28, 2002
6338774 Liquid distributor for non-vertical distillation columns, and distillation column including the same Jan. 15, 2002
6309513 Desalination of seawater by evaporation in a multi-stack array of vertical tube bundles, with waste heat Oct. 30, 2001
6294053 Liquid dispenser for oscillating distilling column, and corresponding distilling column Sep. 25, 2001
6241010 Heat exchange element and a heat exchanger made up of the same Jun. 5, 2001
6080273 Method and device for treating liquids by partial evaporation Jun. 27, 2000
6068730 Liquid distributor for evaporator May. 30, 2000
6066232 Method and vaporizer for vaporizing oxidation-sensitive compounds May. 23, 2000
6059272 Liquid distributor May. 9, 2000

1 2 3

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