BALFOUR BEATTY PLC

Patent Owner

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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 121
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2011/0116,876 RETAINING WALLAug 20, 09May 19, 11[E02D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6616061 Railway or tramway rail and rail fastening systemNov 21, 00Sep 09, 03[E01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0330,532 METHOD AND APPARATUS FOR THE INSTALLATION OF CABLES OR PIPES IN TUNNELSAbandonedDec 18, 13Nov 19, 15[F16L]
2011/0049,255 Method and Arrangement for Rail Track FixingAbandonedJun 26, 06Mar 03, 11[E01B]
2007/0267,511 SleeperAbandonedMay 22, 06Nov 22, 07[E01B]
2004/0245,353 Rail arrangementAbandonedAug 09, 04Dec 09, 04[E01B]
2003/0044,241 Auger pilingAbandonedJul 23, 02Mar 06, 03[E02D]
6339263 Plant for feeding alternating voltage with reduced lossesExpiredFeb 14, 00Jan 15, 02[H02J]
6052293 Converter device for connection between a single-phase side on a single or multi-phase sideExpiredJun 12, 98Apr 18, 00[H02J, H02M]
6016262 Converter equipmentExpiredSep 03, 98Jan 18, 00[H02M]

Top Inventors for This Owner

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