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CROWN MACHINE & TOOL COMPANY

Overview
  • Total Patents
    17
About

CROWN MACHINE & TOOL COMPANY has a total of 17 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets machines, packaging and shipping and surface technology and coating are CROWN MACHINE AND TOOL COMPANY, AMERICAN SAFETY CLOSURE and BERG LAADER.

Patent filings in countries

World map showing CROWN MACHINE & TOOL COMPANYs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 United States 6
#3 Germany 3
#4 Switzerland 1
#5 France 1

Patent filings per year

Chart showing CROWN MACHINE & TOOL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harrison James M 6
#2 Smucker Robert E 4
#3 Roger Albert J 2
#4 Robert E Smucker 1
#5 James M Harrison 1

Latest patents

Publication Filing date Title
GB1261798A Improvements in or relating to moulding apparatus
GB962785A Improvements in or relating to containers and blanks for forming them
US3156371A Container
US3156015A Apparatus for molding a plastic article
US3200175A Method of making cups
US3045286A Method of making dispensable cups
GB817191A Improvements in or relating to plastic injection moulding machines
GB798908A Improvements in or relating to plastic cups and like receptacles
US2807050A High pressure plastic injection molding machine clamps
GB780075A Improvements in and relating to injection moulding machines
US2718663A Injection molding machine