LUWA AG.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5931376 Device for air-conditioning control in an air-conditioned room having textile machinesExpiredMay 06, 97Aug 03, 99[F24F]
4900179 Mounting cross-piece assembly and mounting cross-piece thereofExpiredJan 25, 88Feb 13, 90[F16B, F16D]
4768443 Working apparatus, especially a cleaning apparatus used in conjunction with a textile machineExpiredNov 12, 86Sep 06, 88[B08B, B61B]
4693904 Process for sterilizing a cocoa pasteExpiredFeb 02, 84Sep 15, 87[A23G]
D288476 Gas filterExpiredSep 17, 84Feb 24, 87[]
4557956 Deformable container with filler unitExpiredDec 21, 83Dec 10, 85[B65D]
4446781 Apparatus for the mechanical/thermal treatment, including sterilization and pasteurization, of fluidsExpiredMar 19, 82May 08, 84[A23G]
4408893 Motionless mixing deviceExpiredApr 28, 82Oct 11, 83[B01F]
4389931 Apparatus for the compaction of fibersExpiredJul 20, 81Jun 28, 83[B30B]
4382401 Air distribution apparatus, especially for oversaturated airExpiredAug 13, 80May 10, 83[F24F]
4361006 Spinning frameExpiredJun 30, 80Nov 30, 82[D01H]
4357793 Sliver-processing frame having drawing rollersExpiredJun 30, 80Nov 09, 82[D01H]
4350007 Spinning frameExpiredJun 30, 80Sep 21, 82[D01H]
4332130 Apparatus for infeeding textile band material to a consumerExpiredJun 30, 80Jun 01, 82[B65H, D01H]
4329840 Method of and apparatus for feeding a fibre tow to a textile machineExpiredJun 30, 80May 18, 82[B65H, D01H]
4325781 Co-current evaporatorExpiredJul 21, 80Apr 20, 82[B01D]
4321106 Method of and apparatus for the thermal treatment of flowable materialExpiredJun 30, 80Mar 23, 82[B01D]
4318206 Coiler arrangementExpiredMar 13, 80Mar 09, 82[B65H]
4306337 Pneumatic cleaning apparatus for the infeed table of a spinning machineExpiredMar 05, 79Dec 22, 81[D01H]
4300711 Apparatus for the pneumatic transport of textile band materialExpiredMar 13, 80Nov 17, 81[B65H]

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