voestalpine Schienen GmbH

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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 837
 
  
 
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 489
 
  
 
C22C ALLOYS 171
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8557172 System and method for hardening railsMar 08, 12Oct 15, 13[C21D]
8226883 System and method for hardening railsFeb 03, 09Jul 24, 12[C21D]
7959056 Method for joining rails by friction weldingOct 27, 05Jun 14, 11[B23K]
7735705 Device and method for joining the faces of partsNov 25, 08Jun 15, 10[B23K]
7469813 Device and method for joining the faces of partsMar 19, 04Dec 30, 08[B23K]
7267258 Method for metallically connecting rods by oscillating friction weldingMar 29, 05Sep 11, 07[B23K]
6989063 Device for tempering rolled stock of great lengthDec 08, 03Jan 24, 06[C21D]
6689228 Device for tempering rolled stock of great lengthDec 03, 01Feb 10, 04[C21D]
6432230 Process and device for hardening a railSep 20, 00Aug 13, 02[C21D]
6406569 Procedure for the thermal treatment of railsSep 26, 95Jun 18, 02[C21D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0218,759 METHOD FOR PRODUCING BAINITIC RAIL STEELS, TRACK ELEMENT AND INSTALLATION FOR CARRYING OUT THE METHODAbandonedJun 27, 13Aug 06, 15[E01B, C21D, C22C, B21B]
2008/0017,727 Running Rail for a Rail TroughAbandonedSep 14, 05Jan 24, 08[E01B]
6770155 Method for heat-treating profiled rolling stockExpiredFeb 15, 02Aug 03, 04[C21D]
6547897 Procedure for the thermal treatment of railsExpiredMay 25, 01Apr 15, 03[C21D]
6419762 Heat-treated profiled rolling stockExpiredMar 23, 01Jul 16, 02[C22C]
6170755 Reduced radiated-noise railExpiredJan 07, 98Jan 09, 01[F41C]

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