THERMO BLACK CLAWSON INC., A CORPORATION OF DELAWARE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR721
 
  
 
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
 
  
 
B01D SEPARATION 2132
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 112
 
  
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
  
 
D06F LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES 139
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6691173 Distributed management of an extended network containing short-range wireless linksJul 06, 99Feb 10, 04[G06F]
6155427 Zoned pressure screenMay 14, 99Dec 05, 00[B07B]
6136126 Process for making decorated, extruded, profiled elementsSep 15, 97Oct 24, 00[B41M]
6053439 Reducing wax content and enhancing quality of recycled pulp from OCC and waste paperAug 08, 97Apr 25, 00[B02C]
5947394 Paper pulp refiner control system and methodOct 09, 98Sep 07, 99[B02C]
5938926 Extended dwell reverse hydrocyclone cleanerSep 12, 97Aug 17, 99[B01D]
5769243 Through-flow cleaner with improved inlet sectionJul 30, 96Jun 23, 98[B04C]
5601690 Method for screening pulpJul 11, 94Feb 11, 97[B07B, D21C]
5385240 Screening apparatus with adjustable hydrofoil portionApr 30, 93Jan 31, 95[B07B]
5382327 Apparatus for thickening pulp and paper stockJan 29, 91Jan 17, 95[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6595373 Wedge wire and paper stock screening apparatus incorporating such wedge wireExpiredMar 28, 01Jul 22, 03[B07B, B01D]
6348130 Variable pressure screeningExpiredSep 08, 00Feb 19, 02[B07B, D21C]
6193073 Paper stock screening apparatus and methodExpiredAug 06, 98Feb 27, 01[B07B]
6190438 Mist eliminatorExpiredJun 24, 99Feb 20, 01[B01D]
6120648 Apparatus for pulping and deinkingExpiredDec 22, 97Sep 19, 00[D21D]
6105788 Composite screenExpiredNov 09, 98Aug 22, 00[B01D]
6003683 Forward or reverse hydrocyclone systems and methodsExpiredFeb 02, 98Dec 21, 99[B04C]
5762756 Methods and apparatus for pulping and deinkingExpiredMay 21, 96Jun 09, 98[D21B]
5591336 Apparatus for dewatering and or washing papermaking stockExpiredNov 02, 94Jan 07, 97[B01D]
5582686 High pressure water jet comminutingExpiredJul 16, 93Dec 10, 96[B26F]
5466335 Paper pulp washingExpiredNov 09, 93Nov 14, 95[D21C]
5448924 System for monitoring behavior of rotary bodyExpiredMar 23, 93Sep 12, 95[G01M, G01B]
5384014 Apparatus and method for thickening pulp and paper stockExpiredJan 29, 91Jan 24, 95[B01D]
5324389 Waste paper disintegration, classification and pulping systemExpiredJun 19, 92Jun 28, 94[D21B]
5266168 Gravity type pulp washer or thickener with rotating disruptersExpiredDec 20, 91Nov 30, 93[D21C]
5262003 Method and system for defibering paper making materialsExpiredSep 18, 91Nov 16, 93[D21B]
5234172 High pressure water jet comminutingExpiredFeb 01, 91Aug 10, 93[B26D, D21J]
5186332 Paper stock screening apparatus having heavy rejects trapExpiredJun 14, 91Feb 16, 93[B03B]
5078275 Screening apparatus for paper making stockExpiredNov 13, 90Jan 07, 92[B07B]
5072834 Screening apparatus for paper making stockExpiredNov 19, 90Dec 17, 91[B07B]

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