Learn more

CROWN MACHINE & TOOL CO

Overview
  • Total Patents
    20
About

CROWN MACHINE & TOOL CO has a total of 20 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets machines, packaging and shipping and electrical machinery and energy are MOLD & TOOL CO INC E W, APPLIC IND PLASTIQUES SOC D and RIGO GROUP S R L.

Patent filings in countries

World map showing CROWN MACHINE & TOOL COs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Harrison James M 3
#2 Gaul Daniel R 2
#3 Matheson Bill 2
#4 Liddell Stephen 2
#5 Liddell S 1
#6 Bill Matheson 1
#7 Newell Jr James F 1
#8 Gaul D 1
#9 Robbins Roscoe S 1
#10 Matheson B 1

Latest patents

Publication Filing date Title
GB1309410A Method of producing moulded thinwalled foamed polystyrene cups
GB1306530A Moulded thin-walled articles of synthetic plastics material and their production
IL26822A Method and apparatus for molding foam plastic articles
IE27035L Moulding plastics
US3417173A Method and apparatus for foam molding
US3417169A Method and apparatus for automatically molding foam plastic articles
US3231933A Apparatus for molding containers
US3224037A Apparatus for molding foamable thermoplastic particulate material