AIKAWA FIBER TECHNOLOGIES TRUST

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 8126
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 431
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 452
 
  
 
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 318
 
  
 
D21D TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE 27
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 18

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0241,077 A SCREEN CYLINDEROct 12, 15Aug 24, 17[D21D, B01D]
2015/0048,020 ROTOR ELEMENT AND A ROTOR FOR A SCREENING APPARATUSMay 24, 13Feb 19, 15[B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9290886 Method of manufacturing a screen cylinder and a screen cylinderOct 05, 11Mar 22, 16[D21D, B01D]
8713798 Screen cylinderNov 04, 10May 06, 14[B23P]
8714364 Method of manufacturing a rotor for a screening apparatus, a rotor and a turbulence element for a rotorAug 05, 09May 06, 14[D21D]
7856718 Method of manufacturing a screen cylinder and a screen cylinderJul 12, 05Dec 28, 10[B23P]
7779525 Papermaking refiner plates and method of manufactureMar 12, 09Aug 24, 10[B02C, B23P]
7614129 Papermaking refiner plates and method of manufactureJun 24, 05Nov 10, 09[B02C, B23P]
7188733 Screening device, such as a screen cylinder, and method of manufacture of the screening deviceSep 03, 03Mar 13, 07[B01D]
7168570 Screen cylinder with performance boosting configurationOct 24, 01Jan 30, 07[B07B]
6935589 Papermaking refiner plates and method of manufactureAug 17, 98Aug 30, 05[B02C]
6021905 Screen cylinder with reinforcing rings and method of manufacture thereofJan 12, 98Feb 08, 00[B03B, B07B, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0233,790 METHOD OF MANUFACTURING A SCREEN CYLINDER AND A SCREEN CYLINDERAbandonedNov 22, 11Sep 12, 13[B07B, B01D]
2012/0205,295 SCREENING ROTOR ELEMENTAbandonedApr 25, 12Aug 16, 12[B07B, D21D]
8181791 Rotor element and a rotor for a screening apparatusExpiredMar 28, 08May 22, 12[B07B]
6955309 Method of diagnosing and controlling a grinding mill for paper and the likeExpiredMar 12, 02Oct 18, 05[B02C]

Top Inventors for This Owner

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