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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 1111
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 125
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 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
8746630 Switch with movable frog pointJan 12, 09Jun 10, 14[E01B]
8302879 Rail expansion deviceSep 03, 08Nov 06, 12[E01B]
7874527 Fastening rail in railway slide chair assemblyJun 10, 05Jan 25, 11[E01B]
7674065 Device for locking the final positions of moving switch pointsJul 31, 02Mar 09, 10[B61L]
7387280 Points comprising a reinforced switch tongue bladeJun 16, 03Jun 17, 08[E01B]
7309050 Grooved rail core pieceMar 10, 04Dec 18, 07[E01B]
7210636 Profile transition rail and method for producing said railApr 04, 03May 01, 07[E01B]
7137601 Check rail deviceJun 25, 03Nov 21, 06[E01B]
7083149 Cross frogDec 02, 04Aug 01, 06[E01B]
7063293 Rolling device for a displaceable cross frogApr 23, 03Jun 20, 06[E01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0241,053 USE OF INTERMEDIATE PIECE FOR CONNECTING MOLDED ARTICLES OF MANGANESE STEEL WITH CARBON STEEL, AND METHOD FOR CONNECTING AUSTENITIC MANGANESE STEEL CASTING PIECES WITH STANDARD RAILSAbandonedJun 06, 12Sep 27, 12[B23K, C21D, C22C]
8033480 Arrangement for fastening railroad rails to a sleeperExpiredApr 28, 05Oct 11, 11[E01B]
2011/0155,864 DEVICE FOR FIXING A SWITCH SETTING DEVICE ON STOCK RAILS OF A RAIL SWITCHAbandonedAug 19, 09Jun 30, 11[B61L]
2010/0224,288 INTERMEDIATE PIECE FOR CONNECTING MOLDED ARTICLES OF MANGANESE STEEL WITH CARBON STEEL AND METHOD FOR CONNECTING AUSTENITIC MANGANESE STEEL CASTING PIECES WITH STANDARD RAILSAbandonedSep 22, 08Sep 09, 10[B23K, C21D, C22C]
7648080 Rail fixing deviceExpiredJun 17, 05Jan 19, 10[E01B]
2009/0056,585 Device for Raising a Switch RailAbandonedJan 26, 07Mar 05, 09[E01B]
2008/0093,419 Method For Connecting Switch Parts Made of Austenitic Manganese Steel Casting, or Austenitic Manganese Steel Rails, With a Rail of Carbon SteelAbandonedDec 02, 05Apr 24, 08[B23K]
2007/0040,071 Device for the remote monitoring of railway switch drivesAbandonedMay 10, 04Feb 22, 07[B61L]
7178764 Device for operating rail switchesExpiredJun 26, 02Feb 20, 07[E01B]
7168663 Point machine for movable frogsExpiredJun 16, 03Jan 30, 07[E01B]
7150436 Method for installing points in railway tracks and points for carrying out said methodExpiredMay 07, 02Dec 19, 06[E01B]
7135648 End position detector for movable switch partsExpiredJul 31, 03Nov 14, 06[H01H]
7121513 Cross frog for a set of track points, provided with an end of position-retaining deviceExpiredNov 15, 02Oct 17, 06[E01B]
6945156 Device for switching and locking moving points componentsExpiredJan 11, 02Sep 20, 05[F15B]
6789770 Device for locking the end positions of moving points componentsExpiredJul 03, 03Sep 14, 04[B61L]
2004/0113,023 Superstructure switching deviceAbandonedJan 28, 04Jun 17, 04[E01B]
5148980 Device for securing in position guide railsExpiredJun 04, 90Sep 22, 92[E01B]

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