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Class Information
Number: 209/155
Name: Classifying, separating, and assorting solids > Fluid suspension > Liquid
Description: Methods and means wherein liquid is employed as the assorting medium.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7314140 |
Apparatus and method for separating materials |
Jan. 1, 2008 |
| 7255233 |
Method and apparatus for separating mixed plastics using flotation techniques |
Aug. 14, 2007 |
| 6986829 |
Process and container for stacking high-consistency stock |
Jan. 17, 2006 |
| 6974926 |
Sorting of single-walled carbon nanotubes using optical dipole traps |
Dec. 13, 2005 |
| 6953123 |
Pre-separation of feed material for hindered-bed separator |
Oct. 11, 2005 |
| 6929750 |
Device and method for separation |
Aug. 16, 2005 |
| 6902650 |
Method of making a stratified paper |
Jun. 7, 2005 |
| 6827911 |
Photoreactor with self-contained photocatalyst recapture |
Dec. 7, 2004 |
| 6632652 |
Reversibly sealable microstructure sorting devices |
Oct. 14, 2003 |
| 6491167 |
Self-cleaning separator for cohesive or adhesive products |
Dec. 10, 2002 |
| 6454945 |
Microfabricated devices and methods |
Sep. 24, 2002 |
| 6379973 |
Chromatographic separation apparatus and method |
Apr. 30, 2002 |
| 6273262 |
Particle concentration device |
Aug. 14, 2001 |
| 6273264 |
Device and method for separating particles contained in a fluid |
Aug. 14, 2001 |
| 6273265 |
Magnetically enhanced gravity separator |
Aug. 14, 2001 |
| 6273266 |
Process for the wet screening of stock suspensions in pressure graders and pressure graders screen |
Aug. 14, 2001 |
| 6264040 |
Hindered-bed separator device and method |
Jul. 24, 2001 |
| 6244446 |
Method and apparatus for continuously separating a more dense fraction from a less dense fraction of a pulp material |
Jun. 12, 2001 |
| 6202855 |
Process for the selection of particles of a preselected size from a particulate pharmaceutical product |
Mar. 20, 2001 |
| 6186333 |
Method and arrangement for controlling a multi-phase screening apparatus |
Feb. 13, 2001 |
| 6145247 |
Fluid switch |
Nov. 14, 2000 |
| 6142311 |
Process for controlling a sand and gravel sorting and sizing device |
Nov. 7, 2000 |
| 5979664 |
Methods and apparatus for acoustic fiber fractionation |
Nov. 9, 1999 |
| 5971158 |
Absorption-enhanced differential extraction device |
Oct. 26, 1999 |
| 5918747 |
Process for recovering polyhydroxyalkanoates using centrifugal fractionation |
Jul. 6, 1999 |
| 5902489 |
Particle handling method by acoustic radiation force and apparatus therefore |
May. 11, 1999 |
| 5899339 |
Process for recovering polyhydroxyalkanoates using centrifugal fractionation |
May. 4, 1999 |
| 5872089 |
Descalant comprising structured liquid or solid |
Feb. 16, 1999 |
| 5837115 |
Microlithographic array for macromolecule and cell fractionation |
Nov. 17, 1998 |
| 5837200 |
Sorting device for biological cells or viruses |
Nov. 17, 1998 |
| 5803270 |
Methods and apparatus for acoustic fiber fractionation |
Sep. 8, 1998 |
| 5527460 |
Multilayered piezoelectric resonator for the separation of suspended particles |
Jun. 18, 1996 |
| 5427663 |
Microlithographic array for macromolecule and cell fractionation |
Jun. 27, 1995 |
| 5401422 |
Separation method for solid constituents of a suspension and device for carrying out this method |
Mar. 28, 1995 |
| 5372721 |
Size separation of particles contained within a material by the use of nonaqueous hydrodynamic chromatography |
Dec. 13, 1994 |
| 5290401 |
Method and a device for separating plastic particles from supensions |
Mar. 1, 1994 |
| 5240618 |
Electrical field-flow fractionation using redox couple added to carrier fluid |
Aug. 31, 1993 |
| 5193688 |
Method and apparatus for hydrodynamic relaxation and sample concentration NIN field-flow fraction using permeable wall elements |
Mar. 16, 1993 |
| 5188238 |
Separator for separating solids components of liquid mixtures and method of using the same |
Feb. 23, 1993 |
| 5183604 |
Size separation of particles contained within a material by the use of nonaqueous hydrodynamic chromatography |
Feb. 2, 1993 |
| 5169005 |
Apparatus for separating material of lighter specific gravity from material of a heavier specific gravity |
Dec. 8, 1992 |
| 5164094 |
Process for the separation of substances from a liquid and device for effecting such a process |
Nov. 17, 1992 |
| 5110454 |
Apparatus for reclaiming gravel, soil particles and wood pieces from a mixture of the same |
May. 5, 1992 |
| 5089126 |
Method and apparatus for capillary hydrodynamic fractionation |
Feb. 18, 1992 |
| 5076943 |
Fluid particle separator with pressure drop resistance matching |
Dec. 31, 1991 |
| 5011022 |
Cyclic flow slurry fractionation |
Apr. 30, 1991 |
| 5006266 |
Manipulating means utilizing ultrasonic wave energy for use with particulate material |
Apr. 9, 1991 |
| 4961843 |
Lewis econosizer for hydraulically classifying particles |
Oct. 9, 1990 |
| 4961842 |
Siphon gravity classifier and clarifier |
Oct. 9, 1990 |
| 4941135 |
Ultrasonic field generating device |
Jul. 10, 1990 |
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