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Class Information
Number: 209/250
Name: Classifying, separating, and assorting solids > Sifting > Feeding > Conveyors > Fluid
Description: Devices in which the material is delivered to sifters, generally by projection, suspended in a fluid.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7284664 |
Methods and apparatus for performing data acquisition and control |
Oct. 23, 2007 |
| 7231927 |
Method for recycling used-up plastic products and washing process of crushed plastic and apparatus therefor |
Jun. 19, 2007 |
| 7163106 |
Strainer for cleaning fibrous suspensions |
Jan. 16, 2007 |
| 6905528 |
Conveying air filtration system |
Jun. 14, 2005 |
| RE38738 |
Cylindrical screen, particularly for paper pulp |
May. 31, 2005 |
| 6368387 |
Device and process for recovering powder and installation for spraying coating product equipped with such a device |
Apr. 9, 2002 |
| 6360897 |
Screen device comprising two screen chambers for separating fiber suspensions |
Mar. 26, 2002 |
| 6357596 |
Sperm strainer system |
Mar. 19, 2002 |
| 6338412 |
Cylindrical screen, particularly for paper pulp |
Jan. 15, 2002 |
| 6329436 |
Process to recycle shredder residue |
Dec. 11, 2001 |
| 6311850 |
Pressure screening apparatus for screening a paper stock suspension and screen clearer for such a screening apparatus |
Nov. 6, 2001 |
| 6299695 |
Method and apparatus for processing ceramic components |
Oct. 9, 2001 |
| 6129214 |
Sperm strainer system |
Oct. 10, 2000 |
| 5925249 |
Screening arrangement |
Jul. 20, 1999 |
| 5908115 |
Method and apparatus for the classification of solid particles |
Jun. 1, 1999 |
| 5881887 |
Apparatus called "TSS"-the turbo screening system, for filtering and fractionation of suspensions containing fibres, fibre fragments, fines and other particles |
Mar. 16, 1999 |
| 5873469 |
Vibrating screener |
Feb. 23, 1999 |
| 5800578 |
Air separation system including a tangential separator and a pneumatic relay conveyer |
Sep. 1, 1998 |
| 5735403 |
Apparatus for removal of fine particles in material flow system |
Apr. 7, 1998 |
| 5667080 |
Jewelers vacuum |
Sep. 16, 1997 |
| 5645724 |
Rotor-equipped cylindrical screens |
Jul. 8, 1997 |
| 5624558 |
Method and apparatus for screening a fiber suspension |
Apr. 29, 1997 |
| 5614094 |
Vibrating screen unit |
Mar. 25, 1997 |
| 5607589 |
Multiple contour screening |
Mar. 4, 1997 |
| 5593582 |
Two for one shale shaker |
Jan. 14, 1997 |
| 5453193 |
Strainer |
Sep. 26, 1995 |
| 5431287 |
Separator screen feeder |
Jul. 11, 1995 |
| 5429247 |
Method and apparatus for screening peat moss material |
Jul. 4, 1995 |
| 5296098 |
Method and device for separating a fibre suspension |
Mar. 22, 1994 |
| 5201423 |
Fiber suspensions sorter having a plurality of screen baskets |
Apr. 13, 1993 |
| 5186332 |
Paper stock screening apparatus having heavy rejects trap |
Feb. 16, 1993 |
| 5152891 |
Self-cleaning strainer |
Oct. 6, 1992 |
| 5124029 |
Method of and device for fractionating suspensions |
Jun. 23, 1992 |
| 5119953 |
Pulp suspension screening and fractionation apparatus |
Jun. 9, 1992 |
| 5110457 |
Ore sample and water recovery apparatus and method therefor |
May. 5, 1992 |
| 5045181 |
Apparatus for removing ash from repulped wastepaper |
Sep. 3, 1991 |
| 5019248 |
Apparatus for grading fibrous material |
May. 28, 1991 |
| 4997578 |
Method and apparatus for dewatering and squeezing material |
Mar. 5, 1991 |
| 4995966 |
Sifter-screening machine for bulk material |
Feb. 26, 1991 |
| 4940535 |
Solids flow distribution apparatus |
Jul. 10, 1990 |
| 4927529 |
Method and apparatus for separating knots |
May. 22, 1990 |
| 4915822 |
Method and apparatus for treating fiber suspension |
Apr. 10, 1990 |
| 4902409 |
Nozzle for screen apparatus |
Feb. 20, 1990 |
| 4880530 |
Self-cleaning screening device |
Nov. 14, 1989 |
| 4872953 |
Apparatus for improving the quality of paper manufactured from recycled paper with a hydrokinetic amplifier |
Oct. 10, 1989 |
| 4857175 |
Centrifugal debris catcher |
Aug. 15, 1989 |
| 4849105 |
Apparatus for removing solid particles from cooling water |
Jul. 18, 1989 |
| 4789068 |
Wood chip classifying system |
Dec. 6, 1988 |
| 4726880 |
Method and apparatus for improving the quality of paper manufactured from recycled paper with a hydrokinetic amplifier |
Feb. 23, 1988 |
| 4710286 |
Sieve for powder |
Dec. 1, 1987 |
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