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GREIF BROS CORP

Overview
  • Total Patents
    135
About

GREIF BROS CORP has a total of 135 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Canada, United States and Australia. Its main competitors in its focus markets packaging and shipping, machines and macromolecular chemistry and polymers are WILLCOX & GIBBS INC, BARRON DAN and HAUSTRUP PLASTIC AS.

Patent filings per year

Chart showing GREIF BROS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Santoni Cesar 19
#2 Dubois Robert A 16
#3 Robichaud Ronald T 13
#4 Hale James A 12
#5 Malik John H 7
#6 Julien Robert A 7
#7 Smith George F 6
#8 Maslowski Edward M 6
#9 Wagers Rex E 5
#10 Lencioni Jeff 5

Latest patents

Publication Filing date Title
WO03004371A1 Gasketless drum
EP1181221A1 Wire-coil packaging drum with improved bottom assembly
EP0955241A1 Nestable high-strength molded plastic drum
US6170224B1 Multi-panel hollow door structures and manufacturing methods employing paperboard cores
CA2292655A1 Water absorbent fire protective cover for liquid holding containers
WO9851576A1 Ring reinforcement for conventional drum
US5702786A Process for preparing thermoplastic polyolefin resin articles of reduced hydrocarbon permeability
EP0720567A1 Storage drum
EP0918017A2 One-piece blow-molded closed plastic drum with handling ring and method of moulding same
US5743422A Collapsible bulk container and method of making the same
CA2122943A1 Container Clamping Ring with Improved Lever and Thumb Latch
CA2113287A1 Collapsible pallet container
CA2108344A1 Pinch bottom bag with opening means
CA2104358A1 Improved bundler
US5301853A Open top plastic drum with plastic cover
US5544777A Stackable plastic container with drain sump and pallet and method of making the same
CA2093244A1 Stackable plastic drum with drain sump and pallet and method of making the same
CA2093243A1 Plastic drum with drain sump and method of making the same
US5465863A Recyclable steel drum for hot flow products
US5258086A Reusable recycable fiber drum