Granite Rock Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6630022 Mechanical activation of granitic powdersMay 12, 99Oct 07, 03[C04B]
5522670 Hitching mechanismMar 15, 95Jun 04, 96[E01C]
5499899 Mobile conveyor systemSep 30, 94Mar 19, 96[B65G]
5360097 Mobile conveyor systemOct 28, 92Nov 01, 94[B65G]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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