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JUNKUNC BROS AMERICAN LOCK CO

Overview
  • Total Patents
    16
About

JUNKUNC BROS AMERICAN LOCK CO has a total of 16 patent applications. Its first patent ever was published in 1964. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machines, civil engineering and machine tools are FRANK E BEST INC, MARSHALL WILLIAM DEUTSCH and MIWA LOCK KOGYO KK.

Patent filings in countries

World map showing JUNKUNC BROS AMERICAN LOCK COs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 8

Patent filings per year

Chart showing JUNKUNC BROS AMERICAN LOCK COs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Civil engineering
#3 Machine tools

Top inventors

# Name Total Patents
#1 Junkunc George P 4
#2 Calegan Everett L 3
#3 Lippisch Guillermo W 3
#4 Waxman Jay S 2
#5 Lippisch G 2
#6 Siegal Burton L 2
#7 Kleist Herbert H 1
#8 Kleist H 1

Latest patents

Publication Filing date Title
CA1121610A Permutation controlled padlock
US4055972A Combination-controlled and key-operated security padlock
US3990275A Tamper-proof padlock
CA970987A Padlock and key cylinder release
US3835675A Security padlock
US3793856A Padlock and key cylinder release
US3769865A Key code cutting machine
US3572069A Key or permutation operated lock
US3406545A Lock for locker doors and the like
US3270534A Padlock
CA907884A Key or permutation operated lock
CA723880A Padlock
CA796493A Lock for locker doors and the like