GREIF BROS. CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 395
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7172070 Wire-coil packaging drum with improved bottom assemblyMar 23, 00Feb 06, 07[B65D]
6764639 Drum-like container out of plastic and process and device for its productionFeb 03, 99Jul 20, 04[B29C]
6308830 Device for protecting large-volume receptacle and method for the production thereofJul 09, 99Oct 30, 01[B65D]
5301853 Open top plastic drum with plastic coverJul 02, 93Apr 12, 94[B65D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6630529 Barrier reducing permeation of hydrocarbonsExpiredNov 29, 00Oct 07, 03[C08K]
5921420 Fire protective cover for liquid holding containersExpiredJun 06, 97Jul 13, 99[B65K]
5702786 Process for preparing thermoplastic polyolefin resin articles of reduced hydrocarbon permeabilityExpiredApr 22, 96Dec 30, 97[B29D]
5137206 Reusable recyclicable fiber drumExpiredOct 17, 91Aug 11, 92[B65D]
5044502 Nestable fiber drum with integral skid and a method of making the sameExpiredMar 01, 90Sep 03, 91[B65D]
5018641 End construction with hollow beam construction for a drumExpiredApr 06, 90May 28, 91[B65D]
4982867 Drum with self-supporting linerExpiredMar 02, 90Jan 08, 91[B65D]
4971215 Nesting drumsExpiredMar 13, 85Nov 20, 90[B65D]
4971241 Fast flo drumsExpiredJan 03, 90Nov 20, 90[B65D]
4595112 Thermal containerExpiredJul 12, 84Jun 17, 86[B65D]
4512700 Nesting drums-method of making the sameExpiredMar 08, 84Apr 23, 85[B21D]
4314720 Split ring locking assemblyExpiredOct 16, 79Feb 09, 82[E05C]
4263860 Seal drum with end closure having reinforced seamsExpiredJun 18, 79Apr 28, 81[B21D]
4247237 Free standing honeycomb load spacerExpiredJun 05, 79Jan 27, 81[B61D, B60P]
4201306 Variable capacity all-plastic drumExpiredOct 27, 78May 06, 80[B65D]

Top Inventors for This Owner

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