Thor Technology Corporation

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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 THEREFOR127

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5705032 Black liquor viscosity controlFeb 23, 96Jan 06, 98[D21C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5702570 Process of producing sodium hydroxide from sodium sulphate in a pulp millExpiredJul 12, 94Dec 30, 97[D21C]
5256949 AC power line current regenerationExpiredJan 03, 92Oct 26, 93[H02P]
5079494 Fast response motor current regulatorExpiredAug 31, 89Jan 07, 92[H02P]
5069213 Oximeter sensor assembly with integral cable and encoderExpiredDec 19, 89Dec 03, 91[A61B]
5041187 Oximeter sensor assembly with integral cable and method of forming the sameExpiredOct 01, 90Aug 20, 91[C23F, B44C]
5015927 Electric motor with regeneration current commutationExpiredAug 04, 89May 14, 91[H02K]
4988939 Electric motor with variable commutation delayExpiredAug 29, 89Jan 29, 91[H02P]
4964408 Oximeter sensor assembly with integral cableExpiredApr 29, 88Oct 23, 90[A61B]
4958118 Wide range, self-starting single phase motor speed controlExpiredAug 28, 89Sep 18, 90[H02P]
4926546 PC board panel configuration techniqueExpiredJun 09, 88May 22, 90[H05K]
4926100 Zero-torque eddy current motor system and method for controlling sameExpiredJun 02, 88May 15, 90[G05B]
4871317 Surface mounted component adaptor for interconnecting of surface mounted circuit componentsExpiredDec 02, 87Oct 03, 89[H01L]
4672250 Drive motor bearing apparatusExpiredNov 15, 84Jun 09, 87[H02K]

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