AVESTAPOLARIT AKTIEBOLAG (PUBL)

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 243
 
  
 
C22C ALLOYS 171
 
  
 
C25F PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR 117

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6391187 Method for treating a metal productJul 20, 00May 21, 02[C25F]
5709759 Method of working a hot-rolled stripApr 22, 96Jan 20, 98[C21D]
5690757 Method for continuous recrystallization annealing of a steel stripSep 14, 94Nov 25, 97[C21D]
5126107 Iron-, nickel-, chromium base alloyApr 10, 91Jun 30, 92[C22C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0211,347 Method for maunfacturing an ultra-high-tensile, stretch formed or stretch bent sheet metal product of steelAbandonedApr 21, 05Sep 29, 05[C21D]
6868708 Blank guided formingExpiredAug 22, 02Mar 22, 05[B21D]
2004/0031,309 Method and a device for manufacturing of a closed profile and a profile manufactured according to said methodAbandonedApr 08, 03Feb 19, 04[B21D]
2002/0124,912 Roll formed metal profile of thin sheetAbandonedApr 10, 02Sep 12, 02[B21F, C22C]
5196073 Stainless steelExpiredApr 01, 92Mar 23, 93[C22C]
5141705 Austenitic stainless steelExpiredJan 03, 91Aug 25, 92[C22C]

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