FLAKT ROSS INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4770040 Humidity sensor systemExpiredJan 29, 87Sep 13, 88[G01N]
4716660 Unifelt air suction systemExpiredApr 03, 86Jan 05, 88[F26B]
4693015 Direct fired cylinder dryerExpiredAug 26, 85Sep 15, 87[F26B]
4693405 Threading belt for pulp floater dryersExpiredFeb 07, 85Sep 15, 87[F26B, B65H, G03B]
4437612 Flotation nozzleExpiredDec 28, 81Mar 20, 84[B05B]
4222178 Method and apparatus for controlling a drying cylinderExpiredJul 16, 79Sep 16, 80[F26B]
4186496 Web drier sectionExpiredOct 06, 78Feb 05, 80[F26B]

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