1311854 ONTARIO LIMITED

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 79
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 220
 
  
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE119
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
E02F DREDGING; SOIL-SHIFTING 144

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0215,622 DRILL POSITIONING SYSTEM FOR JUMBO CARRIER UNITJan 26, 15Jul 28, 16[E21D, E02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9828855 Bolt plate magazine and centralizerApr 22, 15Nov 28, 17[E21D, E02D]
9567854 Rock bolter with alignment mechanism for swinging between drilling and boltingApr 17, 14Feb 14, 17[E21D]
9404364 Rock bolting system, method of installing rock bolts, and flexible bolt centralizerJan 26, 15Aug 02, 16[E21D, E21B]
9353572 Detachable feed rail for rock drillFeb 10, 14May 31, 16[E21D, E01B, E21B]
9284839 Side-mounted bolt driver and method of driving rock boltsApr 15, 14Mar 15, 16[E21D, B23Q]
9187873 Screen-handling system and method of installing screening on a rock faceApr 02, 13Nov 17, 15[E01F, E21D, E02D]
8956082 Rock bolting system, method of installing rock bolts, and flexible bolt centralizerOct 23, 12Feb 17, 15[E21D]
8807448 Foldable or detachable feed rail for rock drillApr 09, 10Aug 19, 14[E01B, E21B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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