Danieli Technology, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21B ROLLING OF METAL 725
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 355
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 346
 
  
 
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 342
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
C23G CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6622778 Method for the direct production of scale-free thin metal stripJul 12, 00Sep 23, 03[B22D]
6588491 Apparatus for the direct production of scale-free thin metal stripAug 21, 01Jul 08, 03[B22D]
6551413 High speed pickling with recycling of acidApr 11, 01Apr 22, 03[B08B]
6464927 Method and apparatus for in-line heat treatment of hot rolled stockOct 13, 00Oct 15, 02[C21D, B21B]
6336980 Method for in-line heat treatment of hot rolled stockMay 21, 99Jan 08, 02[C21D]
6296047 Endless casting rolling system with single casting standMay 21, 99Oct 02, 01[B21D]
6289972 Integrated plant for the production of rolled stockMay 21, 99Sep 18, 01[B22D]
6264769 Coil area for in-line treatment of rolled productsMay 21, 99Jul 24, 01[C21D]
6260563 High speed pickling with recycling of acidMay 20, 99Jul 17, 01[B08B]
6240763 Automated rolling mill administration systemMay 21, 99Jun 05, 01[B21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7122221 Method and apparatus for metal vapor coatingExpiredJul 25, 02Oct 17, 06[C23C]
6783612 Method and apparatus for in-line heat treatment of hot rolled stockExpiredOct 13, 01Aug 31, 04[C21D]
6406550 Apparatus and method for sequential removal of oxides from steelExpiredJun 01, 00Jun 18, 02[B08B, C23G]
6402852 Apparatus and method for continuous removal of oxides from metalExpiredJan 03, 01Jun 11, 02[B08B, C23G]
6269112 Electric arc furnace for continuous charging with ferrous materials and semicontinuous tapping of molten steelExpiredMay 17, 00Jul 31, 01[F27D]
6178976 Pickle tank cover with plenum chamberExpiredFeb 22, 99Jan 30, 01[B08B]
6158260 Universal roll crossing systemExpiredSep 15, 99Dec 12, 00[B21B]
6119500 Inverse symmetrical variable crown roll and associated methodExpiredMay 20, 99Sep 19, 00[B21B]
6036485 Annealing furnaceExpiredMay 21, 99Mar 14, 00[F27B]
6029491 Continous spiral motion and roll bending system for rolling millsExpiredApr 28, 99Feb 29, 00[B21B]
6026669 Discrete and coiled plate productionExpiredFeb 23, 99Feb 22, 00[B21B]
6009736 Superlarge coil handling system for hot strip millExpiredMay 10, 99Jan 04, 00[B21C]
6003354 Extrusion rolling method and apparatusExpiredDec 22, 98Dec 21, 99[B21B]
5992201 Rolling and shearing process and apparatus backgroundExpiredDec 07, 98Nov 30, 99[B21B]
5970771 Continuous spiral motion system for rolling millsExpiredJul 10, 98Oct 26, 99[B21B]
5956990 Apparatus and method for producing and handling superlarge coils of metal stripExpiredAug 14, 98Sep 28, 99[B21C]
5947610 Hydrodynamic thrust bearing assemblyExpiredNov 19, 97Sep 07, 99[F16C]
5863316 Recirculating fume scrubber systemExpiredJul 21, 97Jan 26, 99[B01D]
5809817 Optimum strip tension control system for rolling millsExpiredMar 11, 97Sep 22, 98[B21B]
5803981 Method and apparatus for continuous pickling of metal stripExpiredJan 13, 97Sep 08, 98[C23G]

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