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HOPWOOD JOHN A

Overview
  • Total Patents
    14
About

HOPWOOD JOHN A has a total of 14 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping and machines are GAYLORD CONTAINER CORP, SOMERVILLE IND LIMITED and RADLEY VALLEY PTY LTD.

Patent filings in countries

World map showing HOPWOOD JOHN As patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 1

Patent filings per year

Chart showing HOPWOOD JOHN As patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Packaging and shipping
#2 Machines

Top inventors

# Name Total Patents
#1 Hopwood John A 14

Latest patents

Publication Filing date Title
US2484624A Double seal milk can
US2301406A Cover retainer for cans
US2113404A Milk delivery box
US2057489A Milk delivery box
US2055536A Milk crate
US2134251A Milk box
US2030109A Delivery box
US2137114A Bottle crate
US2055350A Milk delivery box
US2008827A Delivery box
US1999540A Milk crate
US1999539A Bottle transporting box
US1994710A Box for transporting bottles
CA477761A Double seal milk cans