THERMO FIBERTEK INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON326
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5951823 Velocity induced drainage method and unitOct 08, 98Sep 14, 99[D21F]
5922173 Paper forming activity control with lifting variable inertial stimulation blades with limited-vent indented-surfacesApr 22, 97Jul 13, 99[D21F]
5830322 Velocity induced drainage method and unitFeb 13, 96Nov 03, 98[D21F]
5374351 Filter backflushing systemJul 27, 93Dec 20, 94[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6030501 Paper forming activity bladeExpiredMar 11, 99Feb 29, 00[D21F]
5971721 High pressure pump having an eccentric transmissionExpiredMar 27, 98Oct 26, 99[F04B]
5960500 Stock washer for washing, thickening and classifying solidsExpiredAug 11, 98Oct 05, 99[D06B]
5932072 Paper forming activity blade with mounting buttonsExpiredJul 31, 97Aug 03, 99[D21F]
5852949 Segmented screw traversing mechanismExpiredJul 30, 96Dec 29, 98[F16H]
5846420 Filter backflushing system using piston arrangement with connected chambersExpiredDec 15, 94Dec 08, 98[B01D]
5839142 Stock washer for washing, thickening and classifying solidsExpiredJul 09, 96Nov 24, 98[D06B]
5802648 Apparatus and method of fabric cleaningExpiredJul 06, 95Sep 08, 98[D06B]
5704268 Electro-hydraulic shower oscillator for papermakingExpiredJul 26, 95Jan 06, 98[F15B, F01B]
5681430 Activity induction in papermakingExpiredAug 23, 95Oct 28, 97[D21F]
5453193 StrainerExpiredJan 04, 94Sep 26, 95[B01D]
5360519 Support apparatus for papermaking machine rotating felt suction pipesExpiredJan 28, 93Nov 01, 94[D21F]
5259955 Vacuum strainerExpiredJul 10, 91Nov 09, 93[B01D]
5118421 Cylndrical filter media with support structureExpiredJun 12, 91Jun 02, 92[B01D]
5110415 Composite doctor blade assembly for pulp or papermaking machine doctorsExpiredApr 23, 90May 05, 92[D21G]
5032229 Doctoring device for papermaking machineExpiredNov 08, 89Jul 16, 91[D21F]
4795131 Vacuum controllerExpiredOct 24, 86Jan 03, 89[F16K]
4598238 Electro-mechanical shower oscillator for papermaking machineExpiredApr 24, 85Jul 01, 86[H02P]
4551202 Vacuum control system and method for dewatering fabricsExpiredJan 31, 84Nov 05, 85[D21F]
4466873 Vacuum dual control system for the flat box section of a papermaking machineExpiredMar 09, 83Aug 21, 84[D21F]

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