Thyssen Stahl Aktiengesellschaft

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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 1336
 
  
 
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 540
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 249
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 282
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 144
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
C07H SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS 198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6610301 Immunologically active proteins from Borrelia burgdorferi, nucleic acids which encode them, and their use in test kits and as vaccinesFeb 12, 99Aug 26, 03[A61K, C07H, G01N]
6284063 Hot-rolled steel strip and method of making itFeb 25, 99Sep 04, 01[C21D, C22C]
RE37214 Device for continuous casting between rolls with applied side damsDec 17, 98Jun 12, 01[B22D]
6228242 Process and plant for electrolytically coating surface of a roll, for the continuous casting of thin metal strip, with a metal laserDec 09, 98May 08, 01[C25D, C25B]
6201212 Process and apparatus for the continuous welding of guided and abutted strips or plates by means of a laser beamAug 27, 99Mar 13, 01[B23K]
6153019 Process for producing a grain-orientated electrical steel sheetOct 26, 98Nov 28, 00[C21D]
6051058 Protective coating comprising boron nitride for refractory material members of an ingot mold for continuous casting of metalsOct 30, 97Apr 18, 00[B28B]
5927375 Continuous casting process between rollsNov 07, 97Jul 27, 99[B22D]
5839501 Casting roll for a plant for continuous casting onto one or between two rollsFeb 20, 97Nov 24, 98[B22D]
5807444 Process for the continuous casting of an austenitic stainless steel strip onto one or between two moving walls with dimpled surfaces, and casting plant for its implementationMar 17, 97Sep 15, 98[C21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6564646 Measuring method for determining the biaxial shaping behavior of metallic materials, more particularly sheet metalExpiredJan 04, 99May 20, 03[G01N, G01D]
6374902 Method for starting continuous metal casting operationExpiredMar 13, 00Apr 23, 02[B22D]
6287395 High-energy weldable soft magnetic steel and its use for parts of magnetic suspension railwaysExpiredFeb 05, 99Sep 11, 01[H01F]
6288361 Method and device for joining flat products to be connected such that they overlapExpiredFeb 02, 99Sep 11, 01[B23K]
6231695 Method of heat-treating a thin sheet coated with ZnAL by hot dip galvanizationExpiredJun 02, 99May 15, 01[C23C, C21D]
6162308 Process for producing an easily shaped cold-rolled sheet or stripExpiredOct 27, 98Dec 19, 00[C21D]
6148901 Plant for the twin-roll continuous casting of metal stripExpiredApr 15, 98Nov 21, 00[B22D]
6082437 Side wall for closing off the casting space of a plant for the twin-roll continuous casting of thin metal stripExpiredJun 26, 98Jul 04, 00[B22D]
6065266 Light structural metal plate in the form of a hump plate and process for its productionExpiredJul 14, 98May 23, 00[E04C]
6063507 Double-layered sheet metal; process for its production and use of such double-layered sheet metalExpiredAug 14, 98May 16, 00[F16S, E04C, B21D]
6059013 Turning passage for the feed and discharge of cooling water of a guide roll in a continuous casting systemExpiredJan 04, 99May 09, 00[B22D]
6052901 Process for production of lightweight sheet-steel wheel for vehiclesExpiredSep 25, 98Apr 25, 00[B21K]
6022507 Exchange device for a blowing lanceExpiredSep 11, 98Feb 08, 00[C21C]
6002098 Laser-assisted plating of stripExpiredJan 02, 98Dec 14, 99[B23K]
5916387 Method of reducing the gaping values in the web saw cut test on steel railway tracksExpiredAug 13, 97Jun 29, 99[C21D]
5840206 Nozzle for introducing a liquid metal into a mold, for the continuous casting of metal products, the bottom of which has holesExpiredOct 04, 96Nov 24, 98[B22D]
5733469 Nozzle for introducing a liquid metal into a mold for continuous casting of metalsExpiredSep 13, 96Mar 31, 98[B22D]
5704414 Device for supporting a side wall of an installation for the twin-roll continuous casting of metal stripsExpiredJul 29, 96Jan 06, 98[B22D]
5578228 Process for the laser beam cutting of strip or plate workpieces, especially magnetic steel sheetsExpiredApr 03, 95Nov 26, 96[B23K]
5482106 Process for the casting of metals in a continuous casting installation with continuous strand withdrawalExpiredAug 06, 94Jan 09, 96[B22D]

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