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CULLEN FRIESTEDT COMPANY

Overview
  • Total Patents
    34
About

CULLEN FRIESTEDT COMPANY has a total of 34 patent applications. Its first patent ever was published in 1929. 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 JACK BRESLAV, MCKAY DOUGLAS MCGREGOR and GARSON THORVALD N.

Patent filings in countries

World map showing CULLEN FRIESTEDT COMPANYs patent filings in countries
# Country Total Patents
#1 United States 28
#2 Canada 6

Patent filings per year

Chart showing CULLEN FRIESTEDT COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cullen Edward V 11
#2 Kaplan Louis G 10
#3 Benes William S 5
#4 Shaughnessy Erard J 4
#5 Schmidt Albert G A 3
#6 Tupy Charles J 3
#7 Hooker Howard H 2
#8 Chen-Nuo Yu 2
#9 Beler Robert J 2
#10 Moro Dominik J 2

Latest patents

Publication Filing date Title
US3199462A Rail threader
US3220760A Multiple rail lifter
US3155416A Automatic leveling device for tongs
US3076673A Lifter mechanism with horizontally extensible jaw-supporting arms
US3153555A Coil grab
US3086808A Leg assembly for coil lifters
US2987339A Articulated lifter
US2945608A Coil lifting and positioning mechanism
US2945609A Coil lifting and positioning mechanism
US3097875A Control mechanism for electrically operated lifters
US2920465A Torque limiting clutch assembly with heat dissipating and lubricating means
US3022066A Driving mechanism for workpositioning tables
US2959411A Shock absorbing linkage mechanism
US2841434A Auxiliary coil lifting devices for the jaws of a sheet lifter
US2631737A Highway crane
US2483811A Work postioner
US2490582A Dragline bucket
US2396161A Work positioner
US2250751A Lifter
US2318791A Work positioner