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CROWN ZELLERBACH CANADA LTD

Overview
  • Total Patents
    36
About

CROWN ZELLERBACH CANADA LTD has a total of 36 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Canada and United States. Its main competitors in its focus markets packaging and shipping, machines and textiles and paper are BELANGER ALBERT P D, WENDLING GEORGE X and SOUTHERN CAN CO.

Patent filings in countries

World map showing CROWN ZELLERBACH CANADA LTDs patent filings in countries
# Country Total Patents
#1 Canada 18
#2 United States 18

Patent filings per year

Chart showing CROWN ZELLERBACH CANADA LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Joseph Vesak 8
#2 Vesak Joseph 8
#3 Milligan Frederick H 6
#4 Kotowick Joseph L 2
#5 Naylor Gordon J 2
#6 Burton John A 2
#7 Follett William E 2
#8 Davies Raymond D 2
#9 Hill Daniel 2
#10 Hoyt Charles W 2

Latest patents

Publication Filing date Title
US3542098A Sawyer's protective device
US3553055A Apparatus for adhering an outer tail portion of a wound roll to an underlying convolution
US3467335A Method and apparatus for reeling flexible sheet material
US3470591A Cable fastener
US3350789A Method of determining the moisture content of thin porous materials
US3392863A Collapsible bin
US3356258A Carrying container
US3276660A Fruit basket and handle
US3151801A Basket and handle
US3272351A Sheet handling apparatus
US3146937A Extendable handle carton
US3199213A Method of changing the moisture content of wood
US3107840A Bottom lock for cartons
US3103961A Wood defect removing apparatus
US3049167A Machine for making glued cell formers
US3002672A Stacking carton
US3011672A Glued cell forming divider
US2900106A Carrier carton
CA757928A Fruit basket and handle
CA661177A Extendable handle carton