Eriez Manufacturing Co.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 615
 
  
 
B01D SEPARATION 5129
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 510
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 45
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 451
 
  
 
B07C POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING 225
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 120
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9278360 Air-assisted separation systemOct 17, 13Mar 08, 16[B03D]
9144828 Oversized material removal system and methodJan 09, 13Sep 29, 15[B03C, B07C, B07B]
9108203 Magnetic drum separator with an outer shell having traction elementsMar 01, 13Aug 18, 15[B03C]
8960443 Flotation separation device and methodApr 11, 08Feb 24, 15[B03D]
8857746 Process for improving the quality of separated materials in the scrap metal industryNov 09, 11Oct 14, 14[B03C, C22B, B02C, B03B]
7973258 High-tension electrostatic separator lifting electrodeJan 30, 09Jul 05, 11[B03C]
6425485 Air-assisted density separator device and methodMar 25, 99Jul 30, 02[B03D, B03B]
6264040 Hindered-bed separator device and methodDec 03, 99Jul 24, 01[B03B]
5975310 Method and apparatus for ball separationSep 30, 97Nov 02, 99[B07C]
5821657 Electromagnetic vibratory feeder with rare earth magnetNov 29, 96Oct 13, 98[H02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8561807 Magnetic drum separator with an electromagnetic pickup magnet having a core in a tapered shapeExpiredMay 03, 12Oct 22, 13[B03C]
8196751 Permanent magnet drum separator with movable magnetic elementsExpiredJan 05, 11Jun 12, 12[B03C]
2008/0257,795 Multiple Zone and Multiple Materials SortingAbandonedApr 17, 08Oct 23, 08[B07C]
2008/0257,796 Control Module Array for SortersAbandonedApr 18, 08Oct 23, 08[B07C, G06F]
2008/0257,797 Sealing Feature for Sorter PaddlesAbandonedApr 18, 08Oct 23, 08[B07C, F16J]
2007/0102,325 Device for sorting different materials with the aid of a conveyor belt and an electromagnetic actuatorAbandonedNov 18, 04May 10, 07[B07C]
6149014 Mill magnet separator and method for separatingExpiredDec 01, 98Nov 21, 00[B03C]
5668518 Wire wound drumExpiredNov 26, 96Sep 16, 97[B03C, H01F]
5236091 Eddy current separator and method of making a rotorExpiredApr 22, 92Aug 17, 93[B03C]
5190159 Self-cleaning grate magnet and bushingExpiredMar 23, 92Mar 02, 93[B03C]
5080234 Eddy current separatorExpiredAug 15, 90Jan 14, 92[B03C]
5043063 Magnetic trap and cleaning means thereforExpiredMar 21, 90Aug 27, 91[B01D]
4961491 Three mass vibratory feederExpiredSep 13, 89Oct 09, 90[B65G]
4880106 Electromagnetic vibratory feederExpiredMay 19, 88Nov 14, 89[B65G]
4702825 Superconductor high gradient magnetic separatorExpiredDec 24, 84Oct 27, 87[B03C, H02H]
4409007 Precipitator rapperExpiredOct 19, 81Oct 11, 83[B03C]

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