BURRELL MINING PRODUCTS, INC.

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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 610
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 211
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS121

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903203 Ventilated mine roof supportFeb 17, 17Feb 27, 18[E21D, E21F]
9695690 Support for use in mineSep 29, 14Jul 04, 17[E21D]
9611738 Ventilated mine roof supportAug 27, 14Apr 04, 17[E21D, E21F]
9347316 Telescopic mine roof supportOct 07, 14May 24, 16[E21D]
8851805 Telescopic mine roof supportAug 30, 12Oct 07, 14[E21D]
6910834 Mine propMay 26, 04Jun 28, 05[E21D, E04G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0184,512 TELESCOPIC MINE ROOF SUPPORTAbandonedMar 16, 15Jul 02, 15[E21D]
4393018 Method for making a concrete blockExpiredSep 08, 81Jul 12, 83[F26B]

Top Inventors for This Owner

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