COPERION CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6170975 Multi-shaft extruder kneading discs, kneading disc blocks and extruderApr 21, 99Jan 09, 01[B29B]
5873393 Device for filling a container with free-flowing bulk materialNov 07, 97Feb 23, 99[B65B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6116770 Mixing element for screw extruderExpiredOct 02, 98Sep 12, 00[B29B]
6116771 Multi-shaft extruder screw bushing and extruderExpiredFeb 05, 99Sep 12, 00[B29B, B21C]
5746258 Apparatus for filling a container with free-flowing bulk materialExpiredApr 03, 96May 05, 98[B67C, B65B]
5641522 Pelletizer for extruderExpiredNov 14, 95Jun 24, 97[B28B, B29B]
5232649 Method of removing liquids from solidsExpiredMay 06, 92Aug 03, 93[B29C, B29B]
5151026 Apparatus for removing liquids from solidsExpiredOct 31, 90Sep 29, 92[B29C, B29B]
5143699 Mixing apparatusExpiredJul 05, 88Sep 01, 92[B01F]
4931229 Method and apparatus for protecting a screw extruder producing strand-shaped explosives and propellantsExpiredJun 15, 89Jun 05, 90[C06B]

Top Inventors for This Owner

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