PETRAM ENTERPRISES INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 54
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8777016 Material separator systemsOct 14, 11Jul 15, 14[B03B]
8739956 Support structure for radial conveyorOct 14, 11Jun 03, 14[B65G]
8584826 Conveyor systemsAug 26, 10Nov 19, 13[B65G]
8151993 Material separator systemsNov 07, 08Apr 10, 12[B03B]
7500565 Material separator systemsNov 13, 07Mar 10, 09[B03B]
7500566 Material separator systemsMay 08, 08Mar 10, 09[B03B]
7497336 Material separator systemNov 15, 06Mar 03, 09[B03B]
7296676 Adjustable conveyor systemFeb 07, 05Nov 20, 07[B65G]
7223059 Adjustable conveyor systemOct 22, 04May 29, 07[B60P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7264190 Material breaker systemExpiredJul 05, 05Sep 04, 07[B02C]

Top Inventors for This Owner

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