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ELEVATOR SUPPLIES COMPANY

Overview
  • Total Patents
    25
About

ELEVATOR SUPPLIES COMPANY has a total of 25 patent applications. Its first patent ever was published in 1924. It filed its patents most often in Canada, United States and France. Its main competitors in its focus markets packaging and shipping, civil engineering and electrical machinery and energy are HAUSHAHN C, BOEDTCHER FRANZ A and EXPRESS LIFT CO LTD.

Patent filings in countries

World map showing ELEVATOR SUPPLIES COMPANYs patent filings in countries
# Country Total Patents
#1 Canada 15
#2 United States 6
#3 France 4

Patent filings per year

Chart showing ELEVATOR SUPPLIES COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bruestle Carl O 5
#2 Shonnard Harold W 5
#3 Zarafu Herman 5
#4 Shonnard Harold Waldron 2
#5 Weeks William Wallace 2
#6 Smith Frank H 1
#7 Herman Zarafu 1
#8 Banks James H 1
#9 Jurgens Harry R 1

Latest patents

Publication Filing date Title
US1937918A Apparatus for winding tape or the like
US1684115A Closure operator for sliding doors
US1673922A Adjustable clamp for cables and the like
US1684719A Elevator door
US1838876A Operating means for elevator doors
US1789989A Locking means for sliding doors
CA250949A Electric switch
CA397636A Wire coiling apparatus
CA306565A Electric door operator
CA255973A Elevator door operating mechanism
CA386479A Wire spooling or reeling apparatus
CA370667A Filament winding applying apparatus
CA397637A Wire coiling apparatus
CA397638A Capstan block
CA379257A Wire spooling apparatus
CA403954A Wire drawing machine
CA403955A Reel arbor
CA434353A Door electric operator
CA384889A Wire spooling or reeling machine
CA387893A Winding apparatus taping head