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Class Information
Number: 159/DIG.28
Name: Concentrating evaporators > Porous member
Description:










Patents under this class:
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Patent Number Title Of Patent Date Issued
8617359 Method for distilling a starting material and installation for carrying out said method Dec. 31, 2013
8586788 Method for producing of ultra-clean and high-purity electronic grade acetic acid Nov. 19, 2013
8075740 Method and system for treating feedwater Dec. 13, 2011
8016977 Dry pond water evaporation system and method of evaporating water Sep. 13, 2011
7992554 Liquid evaporator Aug. 9, 2011
7815776 Desalinization by evaporation from capillary material Oct. 19, 2010
7790000 Volatilizer Sep. 7, 2010
7744727 Distillation method Jun. 29, 2010
7699961 Apparatus for concentrating water-soluble organic material Apr. 20, 2010
7494572 Water still and method of operation thereof Feb. 24, 2009
7491298 Plant for producing low deuterium water from sea water Feb. 17, 2009
7470348 Separator for producing aromatic carboxylic acids Dec. 30, 2008
7465376 Method and device for treating liquids Dec. 16, 2008
7258767 Solar dew tube Aug. 21, 2007
7166188 Evaporation device Jan. 23, 2007
6635150 Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method Oct. 21, 2003
6468389 Undulating membrane surface for evaporative processes Oct. 22, 2002
6440275 Solar stills for producing fresh water Aug. 27, 2002
6383341 Apparatus for obtaining pure water from crude water May. 7, 2002
6200429 Method for trioxane isolation Mar. 13, 2001
5711856 Asphalt extracting apparatus Jan. 27, 1998
5665208 Method and apparatus for the quantitative enrichment of volatile compounds by capillary distillation Sep. 9, 1997
5632864 Splash shield for distillation unit May. 27, 1997
5522970 Distilling tube apparatus Jun. 4, 1996
5445731 Pervaporation vessel Aug. 29, 1995
5316626 Process and apparatus for the production of fresh water using solar energy May. 31, 1994
5304287 Microdistillation method Apr. 19, 1994
5300197 Distillation apparatus with porous membrane and heat pump Apr. 5, 1994
5290403 Liquid evaporating apparatus Mar. 1, 1994
5275232 Dual manifold heat pipe evaporator Jan. 4, 1994
5246549 Vacuum distillation system utilizing loose polymer lining Sep. 21, 1993
5232085 Distillation system with a hydrophobic porous membrane Aug. 3, 1993
5223088 Apparatus for producing concentrated aqueous slurries and spray dried particulate products Jun. 29, 1993
5211812 Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed May. 18, 1993
5209821 Apparatus for removing volatiles from, or dehydrating, liquid products May. 11, 1993
5062927 Method of operating a still Nov. 5, 1991
5059327 Cross-linked separation membrane and process for pervaporation Oct. 22, 1991
5043061 Evaporation and emanation type wastewater treating apparatus Aug. 27, 1991
5028298 Waste water concentrator and waste water disposal plant Jul. 2, 1991
5022967 Microdistillation apparatus Jun. 11, 1991
5015332 Spray dryer May. 14, 1991
4953694 Distilling apparatus Sep. 4, 1990
4952318 Separations of oxygenates Aug. 28, 1990
4896436 Spray drying process and apparatus therefor Jan. 30, 1990
4882071 Method and apparatus for the in situ decontamination of underground water with the aid of solar energy Nov. 21, 1989
4778569 Method of separation of liquid mixture of solution by porous separating wall Oct. 18, 1988
4728397 Apparatus for desalinating salt water by membrane distillation Mar. 1, 1988
4718985 System for diaphragm distillation Jan. 12, 1988
4713172 Apparatus for improved aeration of liquids Dec. 15, 1987
4704189 Method of evaporating liquid from a solution Nov. 3, 1987

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