Salzgitter AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
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 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7073564 System for homogenizing a molten metal filmFeb 20, 03Jul 11, 06[B22D]
6581674 Method and device for homogenizing a molten metal filmNov 28, 00Jun 24, 03[B22D]
6527882 Method and installation for the continuous production of hot-rolled, thin flat productsAug 15, 00Mar 04, 03[C21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6749696 Process for producing a cold-rolled strip or sheet of steel and strip or sheet which can be produced by the processExpiredJan 23, 02Jun 15, 04[C21D, C22C]
6626229 Method and device for producing slabsExpiredDec 02, 99Sep 30, 03[B22D]
4942753 Process and apparatus for rolling structural shapesExpiredFeb 15, 89Jul 24, 90[B21B]
4497770 Storage structure for nuclear wasteExpiredApr 29, 81Feb 05, 85[G21C]
4460536 Lifting device for nuclear power plantsExpiredJun 15, 81Jul 17, 84[G21C]
4354087 Welding powder feed deviceExpiredSep 11, 80Oct 12, 82[B23K]

Top Inventors for This Owner

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