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Class Information
Number: 422/252
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Physical type apparatus > Crystallizer > Hydraulic classifier with crystallizer
Description: Apparatus having hydraulic means to maintain a suspension for classification of crystals within the apparatus.
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 |
| 7510690 |
System for performing crystallization trials |
Mar. 31, 2009 |
| 7452419 |
Method for performing crystallization trials |
Nov. 18, 2008 |
| 7435397 |
System for performing crystallization trials |
Oct. 14, 2008 |
| 7431768 |
System for performing crystallization trials |
Oct. 7, 2008 |
| 7431769 |
Method for performing crystallization trials |
Oct. 7, 2008 |
| 7416710 |
Method and system for performing crystallization trials |
Aug. 26, 2008 |
| 7416709 |
Method for performing crystallization trials |
Aug. 26, 2008 |
| 7179435 |
Method and apparatus for recovering a pure substance from an impure solution by crystallization |
Feb. 20, 2007 |
| 7048898 |
Apparatus for preparing a fluid for a medical procedure |
May. 23, 2006 |
| 6454853 |
Process for the purification of organic products by fractionated crystallization at a variable circulation rate |
Sep. 24, 2002 |
| 6267934 |
Process for the manufacture of persalt particles |
Jul. 31, 2001 |
| 5906660 |
Process for the manufacture of persalt particles |
May. 25, 1999 |
| 5338519 |
Process and apparatus for separating substances by crystallization |
Aug. 16, 1994 |
| 5296000 |
Process and equipment for crystallizing an inorganic substance |
Mar. 22, 1994 |
| 5292486 |
Crystal pulling method and apparatus for the practice thereof |
Mar. 8, 1994 |
| 5234664 |
Device for pulling crystals |
Aug. 10, 1993 |
| 5213772 |
Apparatus for forming silver halide grains |
May. 25, 1993 |
| 5124265 |
Method and apparatus for crystallization process control |
Jun. 23, 1992 |
| 4978509 |
Lamella settler crystallizer |
Dec. 18, 1990 |
| 4801436 |
Crystallizing apparatus |
Jan. 31, 1989 |
| 4735781 |
Apparatus for concentrating a suspension |
Apr. 5, 1988 |
| H262 |
Method of and apparatus for removing silicon from a high temperature sodium coolant |
May. 5, 1987 |
| 4597950 |
Gas separating-crystallizer |
Jul. 1, 1986 |
| 4590038 |
Fluidizing-cell column |
May. 20, 1986 |
| 4332592 |
Process for continuous crystallization |
Jun. 1, 1982 |
| 4318772 |
Saturated liquor cooling tower |
Mar. 9, 1982 |
| 4312846 |
Method of silicon purification |
Jan. 26, 1982 |
| 4291550 |
Fluidized bed crystallization apparatus and method |
Sep. 29, 1981 |
| 4288285 |
Apparatus for forming a vortex |
Sep. 8, 1981 |
| 4245998 |
Method and apparatus for crystallization of solution containing salts |
Jan. 20, 1981 |
| 4217330 |
Apparatus for production of sodium bicarbonate |
Aug. 12, 1980 |
| 4174382 |
Process for the production of coarse K.sub.2 SO.sub.4 in crystallizers and classifiers |
Nov. 13, 1979 |
| 4164429 |
Process and installation for the production of selected crystallization seeds for use in a sugar refinery |
Aug. 14, 1979 |
| 4158039 |
Pressure vessel for separating sulfur from an aqueous sulfur suspension |
Jun. 12, 1979 |
| 4113552 |
Elutriation leg and method |
Sep. 12, 1978 |
| 4056363 |
Apparatus for the fabrication of pure alumina from Al.sub.2 O.sub.3 and silica containing raw materials by leaching with hydrochloric acid |
Nov. 1, 1977 |
| 4026676 |
Process for producing salt having a reduced calcium sulfate content |
May. 31, 1977 |
| 4022820 |
Solidification and crystallization of materials |
May. 10, 1977 |
| 3996018 |
Crystallization system and method using crystal fracturing external to a crystallization column |
Dec. 7, 1976 |
| 3981739 |
Continuous crystallization |
Sep. 21, 1976 |
| 3932142 |
Serial flow crystallization at linearly decreasing pressures |
Jan. 13, 1976 |
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