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Patents Grants
last 30 patents
Information
Patent Grant
Method of preparing filled, modified and fiber reinforced thermopla...
Patent number
6,419,864
Issue date
Jul 16, 2002
Krupp Werner & Pfleiderer GmbH
Bernhard Scheuring
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pelletizer
Patent number
6,261,078
Issue date
Jul 17, 2001
Krupp Werner & Pfleiderer GmbH
Nicolas Martin
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Twin screw extruder with single-flight kneading disks
Patent number
6,179,460
Issue date
Jan 30, 2001
Krupp Werner & Pfleiderer, GmbH
Ulrich Burkhardt
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multi-shaft screw-type extruder, in particular twin-shaft extruder
Patent number
6,048,088
Issue date
Apr 11, 2000
Krupp Werner & Pfleiderer GmbH
Erwin Haring
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of carrying out continuous preparation processes on tightly...
Patent number
6,042,260
Issue date
Mar 28, 2000
Krupp Werner & Pfleiderer GmbH
Peter Heidemeyer
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Screw extruder mechanism, in particular twin-screw extruder mechani...
Patent number
6,024,479
Issue date
Feb 15, 2000
Krupp Werner & Pfleiderer GmbH
Erwin Haring
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Screw-type extrusion machine having tie rods loaded by a pre-stress...
Patent number
6,015,226
Issue date
Jan 18, 2000
Krupp Werner & Pfleiderer GmbH
Ulrich Weller
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL