Magnet-Physik Dr. Steingroever GmbH

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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
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 183

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7165429 Device for and method of electromagnetic high energy pulse deformation of workpieces, in particular metal sheets of electrically conductive materialJun 29, 04Jan 23, 07[B21D]
7012497 Transformer for producing high electrical currentsJan 26, 04Mar 14, 06[H01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6065317 Apparatus and procedure for manufacturing metallic hollow bodies with structural bulgesExpiredAug 05, 98May 23, 00[B60K, B21D]
5964127 Process and apparatus for manufacturing metallic hollow bodies with structural bulgesExpiredApr 09, 98Oct 12, 99[B21D]
5953805 Magnet field concentrator for shaping metal partsExpiredJul 31, 97Sep 21, 99[B21D]
5864274 Magneto-mechanical power systemExpiredApr 23, 98Jan 26, 99[H01F]
5813264 Method for forming a workpiece by a magnetic field generated by a current impulseExpiredNov 15, 96Sep 29, 98[B21D]
5684341 Electromagnetic generator for fast current and magnetic field pulses, for example, for use in magnetic metal workingExpiredJul 29, 94Nov 04, 97[H03K]
5586460 Device with peak current loop and process for the magnetic shaping of metal partsExpiredApr 06, 95Dec 24, 96[B21D]
5452506 Process for removing container sealsExpiredNov 01, 93Sep 26, 95[B67B, B23P, B21D]
5444963 Process and equipment for shaping container sealsExpiredMar 10, 94Aug 29, 95[B67B]
5374915 Magnetizing device for permanent magnet rings that are bipolar on the end faces or multipolar on the lateral facesExpiredMar 31, 93Dec 20, 94[F16C, H01F]

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