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Class Information
Number: 62/544
Name: Refrigeration > Processes > Fractionally solidifying a constituent and separating the same > With stirring, agitating or scraping of the solidification zone
Description: Processes wherein the zone in which solidification occurs is subjected to some action or designed in such a manner that the body of mixture or solution is turbulent or in such a way that the buildup of solid is prevented.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7540884 |
Method for performing the purifying separation of crystals out their suspension in a mother liquor |
Jun. 2, 2009 |
| 7458231 |
Simultaneous regasification of liquefied natural gas and desalination |
Dec. 2, 2008 |
| 7189328 |
Method for extraction of dissolved trace materials from solution |
Mar. 13, 2007 |
| 7066171 |
Process and apparatus for producing inhalable medicaments |
Jun. 27, 2006 |
| 6863916 |
Apparatus and methods for making frozen food products |
Mar. 8, 2005 |
| 6658889 |
Apparatus for producing potable water and slush from sea water or brine |
Dec. 9, 2003 |
| 6609384 |
Dynamic type ice cold storage method |
Aug. 26, 2003 |
| 6378329 |
Method for determining the variable concentrations of ice in binary ice volumes |
Apr. 30, 2002 |
| 6305189 |
Method and installation for continuous crystallization of liquids by freezing |
Oct. 23, 2001 |
| 5575160 |
Freeze crystallization for the removal of water from a solution of dissolved solids |
Nov. 19, 1996 |
| 5537832 |
Freeze crystrallization for the removal of water from a solution of dissolved solids |
Jul. 23, 1996 |
| 5394706 |
Freeze crystallization for the removal of water from a solution of dissolved solids |
Mar. 7, 1995 |
| 5346674 |
Process and apparatus for removal of impurities from flue gases |
Sep. 13, 1994 |
| 5139549 |
Apparatus and method for cooling using aqueous ice slurry |
Aug. 18, 1992 |
| 5102544 |
Apparatus for continuously removing crystals from a mother liquor and for washing the crystals |
Apr. 7, 1992 |
| 5057290 |
Process and apparatus for the low temperature recovery of ferrous chloride from spent hydrochloric acid pickle liquors |
Oct. 15, 1991 |
| 5037463 |
Freeze concentration and precipitate removal system |
Aug. 6, 1991 |
| 4830645 |
Freeze concentration system and method |
May. 16, 1989 |
| 4822391 |
Method and apparatus for transferring energy and mass |
Apr. 18, 1989 |
| 4806318 |
Apparatus for purifying crystals |
Feb. 21, 1989 |
| 4798131 |
Method and apparatus for tartars separation |
Jan. 17, 1989 |
| 4787970 |
Process and system for dewatering metal oxide sludge |
Nov. 29, 1988 |
| 4713102 |
Method of concentrating multicomponent liquid products |
Dec. 15, 1987 |
| 4697428 |
Device for concentrating solutions |
Oct. 6, 1987 |
| 4632809 |
Apparatus for the crystallization/separation of material mixtures |
Dec. 30, 1986 |
| RE32241 |
Fractional crystallization process |
Sep. 9, 1986 |
| 4552575 |
Method for the mass separation of a liquid mixture through fractional crystallization |
Nov. 12, 1985 |
| 4551159 |
Ice making machine and method |
Nov. 5, 1985 |
| 4544391 |
Method for separation of solid mixtures by simultaneous multi-stage recrystallization |
Oct. 1, 1985 |
| 4475355 |
Continuous packed bed wash column |
Oct. 9, 1984 |
| 4474031 |
Heatpump |
Oct. 2, 1984 |
| 4468930 |
Freeze crystallization subassembly |
Sep. 4, 1984 |
| 4438634 |
Freeze concentration apparatus |
Mar. 27, 1984 |
| 4316368 |
Multi-stage counter-current concentrating method |
Feb. 23, 1982 |
| 4309878 |
Process and apparatus for separating and purifying a crystalline material |
Jan. 12, 1982 |
| 4291550 |
Fluidized bed crystallization apparatus and method |
Sep. 29, 1981 |
| 4279130 |
Recovery of 1,3-butadiene by fractional crystallization from four-carbon mixtures |
Jul. 21, 1981 |
| 4267703 |
Method and apparatus for manufacturing crystalline food products |
May. 19, 1981 |
| 4256717 |
Silicon purification method |
Mar. 17, 1981 |
| 4256576 |
Process for segregating solid substances from a liquid phase |
Mar. 17, 1981 |
| 4202859 |
Crystallizer |
May. 13, 1980 |
| 4194557 |
Cooler for mixtures of crystals and crystallizing liquid in the production of sugar and related products |
Mar. 25, 1980 |
| 4170881 |
Method of and apparatus for the concentration of crystallizable liquid |
Oct. 16, 1979 |
| 4112702 |
Freeze desalination and concentration apparatus |
Sep. 12, 1978 |
| 4004886 |
Two stage continuous process and apparatus for crystallization |
Jan. 25, 1977 |
| 3987641 |
Freeze concentration recovery process for wood pulping |
Oct. 26, 1976 |
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