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Class Information
Number: 209/162
Name: Classifying, separating, and assorting solids > Fluid suspension > Liquid > Floating
Description: Methods and means wherein material to be assorted is delivered to a body of liquid, some of the components floating on the liquid, while other components are sunk or remain submerged.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7360655 |
Material handling system having a scoop wheel |
Apr. 22, 2008 |
| 7357259 |
Material classifier having a scoop wheel |
Apr. 15, 2008 |
| 7255233 |
Method and apparatus for separating mixed plastics using flotation techniques |
Aug. 14, 2007 |
| 7017752 |
Apparatus and method of separating small rubbish and organic matters from garbage for collection |
Mar. 28, 2006 |
| 7017753 |
Apparatus and method of separating heavy materials in garbage from light ones and classifying the heavy garbage for collection |
Mar. 28, 2006 |
| 7004328 |
Process for extracting and purifying naturally occurring zeolite |
Feb. 28, 2006 |
| 6994221 |
Apparatus and method of separating plastic films from garbage for collection |
Feb. 7, 2006 |
| 6988622 |
Venturi-driven flotation separator for chili peppers |
Jan. 24, 2006 |
| 6875254 |
Methods for detecting and extracting gold |
Apr. 5, 2005 |
| 6168642 |
Industrial utilization of garbage with effective recycling and with optimization in energy production |
Jan. 2, 2001 |
| 6098810 |
Flotation process for separating silica from feldspar to form a feed material for making glass |
Aug. 8, 2000 |
| 5624488 |
Ultrahigh brightness calcined clay pigment, manufacture & use thereof |
Apr. 29, 1997 |
| 5591348 |
Device for the central feeding of tanks such as circular grit traps, grit classifiers or settling tanks of circular construction |
Jan. 7, 1997 |
| 5435443 |
Method and apparatus for separating mixtures of substances |
Jul. 25, 1995 |
| 4879048 |
Method and facility for removing sludge from water |
Nov. 7, 1989 |
| 4851036 |
Mineral ore flotation process and apparatus |
Jul. 25, 1989 |
| 4613429 |
Process for removing mineral matter from coal |
Sep. 23, 1986 |
| 4605420 |
Method for the beneficiation of oxidized coal |
Aug. 12, 1986 |
| 4586935 |
Method of preparing coal to increase its calorific value and making it safe for storage and transport |
May. 6, 1986 |
| 4579586 |
Mercaptohydroxy alkanes |
Apr. 1, 1986 |
| 4522628 |
Method for removing ash mineral matter of coal with liquid carbon dioxide and water |
Jun. 11, 1985 |
| 4467560 |
Method for sorting of seed |
Aug. 28, 1984 |
| 4339042 |
Treatment of minerals |
Jul. 13, 1982 |
| 4292089 |
Process for continuously dissolving a particulate solid material, notably a lignocellulose material |
Sep. 29, 1981 |
| 4282096 |
Tar separating device |
Aug. 4, 1981 |
| 4278532 |
Air classification apparatus |
Jul. 14, 1981 |
| 4249700 |
Recovery of silicon carbide whiskers from coked, converted rice hulls by liquid-liquid separation |
Feb. 10, 1981 |
| 4140344 |
Extraction of organic matter from marine sediment |
Feb. 20, 1979 |
| 4119533 |
Method for separating mixed plastics |
Oct. 10, 1978 |
| 4042414 |
Processing of starch |
Aug. 16, 1977 |
| 4022231 |
Chip washer |
May. 10, 1977 |
| 3992814 |
Method for sorting seeds |
Nov. 23, 1976 |
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