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STEM DEV CORP

Overview
  • Total Patents
    13
About

STEM DEV CORP has a total of 13 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets packaging and shipping and machines are ADDISON SEMMES CORP, GAMBO MATERIAL HANDLING BV and PACKING MATERIALS CORP.

Patent filings in countries

World map showing STEM DEV CORPs patent filings in countries
# Country Total Patents
#1 Canada 4
#2 United States 3
#3 France 2
#4 Australia 1
#5 Belgium 1
#6 Germany 1
#7 Italy 1

Patent filings per year

Chart showing STEM DEV CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Packaging and shipping
#2 Machines

Top inventors

# Name Total Patents
#1 Markowitz Isral J 5
#2 Markowitz I 2
#3 Taylor Clarence R 2
#4 Markowitz I J 1

Latest patents

Publication Filing date Title
DE2332185A1 SECURITY LOCK FOR CONTAINER
US3905509A Double-acting container safety closure
US3833154A Collapsible dispensing container
US3768703A Safety cover cap for an aerosol container or the like
CA943099A Protective cap for a container
CA954477A Safety cover cap for an aerosol container
CA954476A Safety aerosol cover cap and method of assembly
AU1124970A Safety orifice fora container closure and method of assembly
CA969509A Safety orifice for a container closure and method of assembly