Henningsen Foods, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5130156 Method for agglomerating food powdersExpiredAug 08, 91Jul 14, 92[A23C]
5096537 Tower spray dryer with hot and cool air supplyExpiredJun 28, 90Mar 17, 92[B01D]
5069118 Mechanism and method for agglomerating food powdersExpiredJan 16, 90Dec 03, 91[A23C]
5035067 Air flow control mechanism for spray dryersExpiredApr 25, 90Jul 30, 91[F26B]
5033608 Screw conveyorExpiredMar 22, 90Jul 23, 91[B65G]
4358341 Spray dryerExpiredMar 26, 81Nov 09, 82[B01D]
4257790 Quick change filter bag arrangementExpiredOct 10, 79Mar 24, 81[B01D]

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