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CROWN CORK SPECIALTY CORP

Overview
  • Total Patents
    14
About

CROWN CORK SPECIALTY CORP has a total of 14 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, machine tools and machines are NAT SEAL COMPANY INC, TALIAFERRO THOMAS L and PARAGON CAN & CAP COMPANY INC.

Patent filings in countries

World map showing CROWN CORK SPECIALTY CORPs patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 2

Patent filings per year

Chart showing CROWN CORK SPECIALTY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hill Donald W 3
#2 Charles Hobbs 2
#3 Rau Harry A 2
#4 Carvalho Leslie R N 2
#5 Carl Mcquinn 1
#6 Hazenfield Daryold M 1
#7 Milo Burnell 1
#8 Hobbs Charles 1
#9 Brookshier James W 1

Latest patents

Publication Filing date Title
US2570804A Box carrier
US2528494A Mechanical mobile toy
US2606586A Container
US2623685A Plastic cover for waxed paper containers
US2647672A Cap applying apparatus
US2540931A Pouring nozzle
US2471307A Method and apparatus for forming threaded caps
US2451974A Locking lever feeding means
US2293610A Method of making spouts
US2353400A Capping apparatus
US2353156A Capping machine
US2339807A Cap forming and assembling machine
CA421251A Capping apparatus
CA487765A Container