Assignee
BERSTORFF GMBH
DE·18 granted patents·6 pending applications·230 citations·filing 1995–2007
Top patents by PatentIndex Score
24 records- 0189US6592350B1Underwater pelletizer with separatorBERSTORFF GMBH·Filed 2000·Granted Jul 15, 2003·39 cites·9 claims
- 0281US6463643B1Apparatus for withdrawing a screw from the barrel of a screw extruderBERSTORFF GMBH·Filed 2000·Granted Oct 15, 2002·24 cites·33 claims
- 0379US6705753B2Extruder comprising blister mechanismBERSTORFF GMBH·Filed 2001·Granted Mar 16, 2004·20 cites·18 claims
- 0475US7290923B2Extruder/gear pump assemblyBERSTORFF GMBH·Filed 2005·Granted Nov 6, 2007·7 cites·18 claims
- 0572US7354188B2Gear pump having input and output screw shafts with a decreasing flight depth toward a gear section in transfer mix areasBERSTORFF GMBH·Filed 2004·Granted Apr 8, 2008·13 cites·16 claims
- 0672US6732620B1Cutting machine with rotating cutting bladeBERSTORFF GMBH·Filed 2000·Granted May 11, 2004·13 cites·7 claims
- 0771US7011112B2Diverter valve for an extruder, in particular a twin-screw extruderBERSTORFF GMBH·Filed 2005·Granted Mar 14, 2006·10 cites·17 claims
- 0870US7017732B2Multiple extruder configurationBERSTORFF GMBH·Filed 2002·Granted Mar 28, 2006·9 cites·11 claims
- 0970US5499870AMultiscrew, continuous mixing machine for plasticizable compoundsBERSTORFF GMBH·Filed 1995·Granted Mar 19, 1996·32 cites·6 claims
- 1069US6805479B1Extrusion system comprising a screw changing deviceBERSTORFF GMBH·Filed 2000·Granted Oct 19, 2004·8 cites·13 claims
- 1167US7128546B2Underwater granulator with a water pipe mounted in a swivel jointBERSTORFF GMBH·Filed 2004·Granted Oct 31, 2006·9 cites·6 claims
- 1266US6974310B2Screw extruder and gear pump arrangement for highly viscous mediaBERSTORFF GMBH·Filed 2001·Granted Dec 13, 2005·7 cites·25 claims
- 1366US6805480B1Cylinder for a twin-screw extruder with a helical channel of varying depthBERSTORFF GMBH·Filed 2000·Granted Oct 19, 2004·8 cites·10 claims
- 1464US6827477B2Compounder installationBERSTORFF GMBH·Filed 2002·Granted Dec 7, 2004·6 cites·23 claims
- 1560US6974243B2Screw element for same-sense rotating multi-screw extrudersBERSTORFF GMBH·Filed 2002·Granted Dec 13, 2005·6 cites·10 claims
- 1653US6854873B2Extruder for processing rubber mixturesBERSTORFF GMBH·Filed 2002·Granted Feb 15, 2005·2 cites·10 claims
- 1748US2007262489A1Apparatus for producing injection-molded partsBERSTORFF GMBH·Filed 2007·Application pending·0 cites
- 1844US6474966B1Slot die for producing webs of a foamed plastic materialBERSTORFF GMBH·Filed 1999·Granted Nov 5, 2002·11 cites·2 claims
- 1944US2004140583A1Method and apparatus for the continuous production of rubber mixturesBERSTORFF GMBH·Filed 2004·Application pending·0 cites
- 2041US2004253336A1Extruder with heating elementsBERSTORFF GMBH·Filed 2004·Application pending·0 cites
- 2138US2005230054A1Calendering system for the production of webs of steel cable carcassBERSTORFF GMBH·Filed 2005·Application pending·0 cites
- 2237US2005202114A1Granulating deviceBERSTORFF GMBH·Filed 2005·Application pending·0 cites
- 2336US6550954B1Method for producing a compound from a flowable plastic material and a solid fiber core by means of extrusion and device for carrying out said methodBERSTORFF GMBH·Filed 1999·Granted Apr 22, 2003·6 cites·17 claims
- 2436US2006112805A1Drive unit for a granulatorBERSTORFF GMBH·Filed 2005·Application pending·0 cites
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