HILL & SMITH LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE713
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 228
 
  
 
2502 PREFABRICATED OR PRE-ASSEMBLED BUILDING PARTS215
 
  
 
B68B HARNESS; DEVICES USED IN CONNECTION THEREWITH; WHIPS OR THE LIKE13

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9469949 Road safety barrierDec 07, 15Oct 18, 16[E01F, E04H]
9458584 Perimeter security barriersMar 20, 08Oct 04, 16[E01F]
9234324 Road safety barrierJun 29, 11Jan 12, 16[E01F, E04H]
9121149 Posts for road safety barrierJul 01, 11Sep 01, 15[E01F, E04H]
8985891 Posts for road safety barrierMay 20, 14Mar 24, 15[E01F]
8061926 Crash barrier beamNov 21, 07Nov 22, 11[E01F]
7497640 Road safety barriersSep 15, 04Mar 03, 09[E01F]
D574510 Safety barrierMay 21, 07Aug 05, 08[2502]
D574511 Safety barrierMay 21, 07Aug 05, 08[2502]
6065738 Anchor for cablesMay 29, 97May 23, 00[B68B, E04H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0339,486 SECURITY BARRIERAbandonedAug 06, 12Nov 20, 14[E01F, E04H]
2014/0231,736 Posts For Road Safety BarrierAbandonedApr 25, 14Aug 21, 14[E01F]
2009/0146,121 Posts For Road Safety BarrierAbandonedFeb 16, 09Jun 11, 09[E01F]
7367549 Safety barrier anchorageExpiredAug 26, 05May 06, 08[E01F]
2006/0237,703 Road safety barrierAbandonedApr 13, 06Oct 26, 06[E01F]
5039066 Safety fencesExpiredNov 08, 89Aug 13, 91[E04H]

Top Inventors for This Owner

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