Maschinenfabrik Muller-Weingarten AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5365999 Method for the process control of a pressure diecasting machine and an apparatus for carrying out the methodMay 10, 93Nov 22, 94[B22D]
5138857 Drawing device in a press for drawing shaped sheet-metal partsApr 22, 91Aug 18, 92[B21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5595087 Apparatus for the transport of parts in a multiple-die pressExpiredSep 26, 95Jan 21, 97[B21D]
5568766 Method for controlling the drive for a hydraulic press having a plurality of operating phasesExpiredAug 30, 94Oct 29, 96[B30B]
5543105 Pressure diecasting or injection molding machineExpiredSep 30, 94Aug 06, 96[B29C]
5472039 Casting set for a diecasting machineExpiredApr 22, 94Dec 05, 95[B22D]
5460084 Method for controlling the drive of a hydraulic pressExpiredMar 11, 94Oct 24, 95[B30B]
5455773 Method for the determination of optimum parameters for a casting process, particularly on die-casting machinesExpiredMar 01, 94Oct 03, 95[G06F, B22D]
5375646 Method of controlling casting parameters in a diecasting machineExpiredSep 15, 93Dec 27, 94[B22D]
5365998 Measuring, monitoring and regulation system for determining the locking pressure or column force and/or the casting force in pressure die casting machinesExpiredJun 16, 93Nov 22, 94[B22D]
5323837 Method of determining unacceptable deviations from process parametersExpiredSep 09, 92Jun 28, 94[B22D]
5201358 Die-casting machineExpiredJan 13, 92Apr 13, 93[B22D]
4860879 Plate bar loading system including an automatic packet or plate bar stack alignment stationExpiredSep 20, 87Aug 29, 89[B65G]
4832109 Method and apparatus for damping pressure peaks occurring at the end of the mold filling phase in pressure castersExpiredSep 24, 87May 23, 89[B22D]
4697449 Shiftable workpiece gripper for a multi-stage pressExpiredMar 05, 86Oct 06, 87[B21J]
4660614 Die casting methodExpiredJan 22, 85Apr 28, 87[B22D]
4648736 Releasable coupler, particularly for gripper rails in a transfer pressExpiredOct 01, 85Mar 10, 87[F16B, B21J]
4557134 Apparatus for supporting workpieces in a multistage pressExpiredSep 21, 84Dec 10, 85[B30B, B21D]
4519309 Sliding tool table intended for the exchange of tools in pressesExpiredSep 26, 83May 28, 85[B30B]
4503766 Parts depository, particularly for large-area workpieces in a transfer press handling large workpiecesExpiredSep 26, 83Mar 12, 85[B30B]
4476911 Diecasting method for producing cast pieces which are low in gas, pores and oxides, as well as diecasting machine for implementing the methodExpiredNov 03, 81Oct 16, 84[B22D]

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