Barry-Wehmiller Company

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4936442 Combination box beam carrier for nonmetallic container pocketsExpiredDec 30, 88Jun 26, 90[B65G]
4398575 Filler tube with check valve for container filling devicesExpiredJun 26, 81Aug 16, 83[B65B]
4391373 Method of and apparatus for compensating signal drift during container inspectionExpiredNov 10, 80Jul 05, 83[H01J, G06M, G01N]
4363339 Filling valve arrangement for counter-pressure container filling apparatusExpiredApr 09, 81Dec 14, 82[B67C]
4331629 Steam and water conservation system for pasteurizersExpiredSep 15, 80May 25, 82[A23L, A61L, A23C]
4285365 Rotary valve for pressure fluid distributionExpiredAug 23, 79Aug 25, 81[F16K]
4279858 Energy conservation for pasteurizer apparatusExpiredNov 26, 79Jul 21, 81[A23L, A61L, A23C]
4263254 Apparatus for and method of conserving energy in pasteurizersExpiredAug 01, 79Apr 21, 81[A23L, A61L, A23C]
4185647 Container cleaning machineExpiredSep 05, 78Jan 29, 80[B08B]

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