VOESTALPINE NORTRAK INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 255
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 521
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 353
 
  
 
B61K OTHER AUXILIARY EQUIPMENT FOR RAILWAYS 211
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9352762 Dual independent control hydraulic switch machineMay 17, 13May 31, 16[B61L]
9290192 Spring wing controllerDec 11, 13Mar 22, 16[B61L, E01B]
8782874 Railway tie automated preplating apparatusSep 28, 06Jul 22, 14[B23P]
8752773 Grade crossing interface padJul 28, 11Jun 17, 14[E01B, E01C]
7677466 Insulated rail joint assemblyMay 24, 06Mar 16, 10[E01B]
7185860 Tongue switchDec 02, 04Mar 06, 07[E01B]
7168664 Assist rod and basket assemblyOct 29, 03Jan 30, 07[E01B]
6955326 Tongue switchNov 07, 02Oct 18, 05[E01B]
6758445 Replaceable point frogNov 07, 02Jul 06, 04[E01B]
6688560 Assist rod and basket assemblyDec 09, 02Feb 10, 04[E01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0204,023 GRADE CROSSING INTERFACE PADAbandonedJan 21, 14Jul 23, 15[B29C, E01B]
2010/0108,294 HEAT TRANSFER UNIT FOR HEATING SYSTEMS AND SUREFACES AND RAILWAY POINT HEATERAbandonedApr 23, 08May 06, 10[F28D]

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