Learn more

COLUMBUS MCKINNON CHAIN CORP

Overview
  • Total Patents
    154
About

COLUMBUS MCKINNON CHAIN CORP has a total of 154 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets packaging and shipping, machines and machine tools are MAXWELL MARINE LTD, DOHMEIER HANS OTTO and COFFING FREDRICK W.

Patent filings in countries

World map showing COLUMBUS MCKINNON CHAIN CORPs patent filings in countries
# Country Total Patents
#1 United States 113
#2 Canada 25
#3 United Kingdom 14
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing COLUMBUS MCKINNON CHAIN CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parker Humphrey F 37
#2 Stahl Frank E 35
#3 Robins Erford E 30
#4 Devonshire William H 16
#5 Manney Charles J 9
#6 Stinson Karl W 6
#7 Winter Otto W 6
#8 Kieffer Raymond J 6
#9 Mckinnon Archibald L 6
#10 Parker Humphrey Francis 5

Latest patents

Publication Filing date Title
US2981204A Powerized storage rail for conveyor systems
US2945452A Conveyor trolley trackway
US3059589A Trolley conveyor suspension device
US2981203A Conveyor power chain
US2947264A Chain powered conveyors
US2977894A Linked power chain for conveyors
GB831855A Interlocking trolley pusher for overhead conveyor
US2972223A Joiner link assembly
US2895290A Chain link having identification and a replacement gauging means
US2960940A Garment storage rails
US2968257A Conveyor trolley
US2851165A Merchandise storage means
DE1107354B Processes and devices for electrical resistance welding
GB792030A Method of and apparatus for electric resistance welding
US2891132A Electric hoist control
US2940721A Electric hoist capacitor mount
US2782331A Electric hoist motor stator mount
US2785324A Electric hoist wiring and terminal means
US2859937A Hoist chain container
US2701600A Traction chain link