BERSTORFF GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5499870 Multiscrew, continuous mixing machine for plasticizable compoundsJun 02, 95Mar 19, 96[B01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0262,489 APPARATUS FOR PRODUCING INJECTION-MOLDED PARTSAbandonedFeb 27, 07Nov 15, 07[B29B]
2006/0112,805 Drive unit for a granulatorAbandonedOct 11, 05Jun 01, 06[B26D]
7017732 Multiple extruder configurationExpiredDec 05, 02Mar 28, 06[B29B]
2005/0230,054 Calendering system for the production of webs of steel cable carcassAbandonedJun 13, 05Oct 20, 05[B29C]
2005/0202,114 Granulating deviceAbandonedJan 26, 05Sep 15, 05[B29C]
6854873 Extruder for processing rubber mixturesExpiredMay 06, 02Feb 15, 05[B29B]
2004/0253,336 Extruder with heating elementsAbandonedApr 19, 04Dec 16, 04[B29B]
6827477 Compounder installationExpiredJul 30, 03Dec 07, 04[B29B]
6805479 Extrusion system comprising a screw changing deviceExpiredMay 20, 02Oct 19, 04[B23P, B29C, B29B]
2004/0140,583 Method and apparatus for the continuous production of rubber mixturesAbandonedJan 09, 04Jul 22, 04[B29C]
2004/0090,859 Screw pump and multi screw extruder comprising a screw pump of this typeAbandonedSep 04, 03May 13, 04[B29B]
6705753 Extruder comprising blister mechanismExpiredAug 13, 02Mar 16, 04[B29B]
6592350 Underwater pelletizer with separatorExpiredMar 22, 00Jul 15, 03[B29B]
6550954 Method for producing a compound from a flowable plastic material and a solid fiber core by means of extrusion and device for carrying out said methodExpiredJun 21, 01Apr 22, 03[B29B]
6371750 Device for smoothing and cooling or cooling of an extruded material sheetExpiredOct 05, 99Apr 16, 02[B29C]

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