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UNDERWRITERS SAFETY DEVICE CO

Overview
  • Total Patents
    55
About

UNDERWRITERS SAFETY DEVICE CO has a total of 55 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, thermal processes and audio-visual technology are FCI USA INC, SPEED TECH CORP and GROTE & HARTMANN.

Patent filings in countries

World map showing UNDERWRITERS SAFETY DEVICE COs patent filings in countries
# Country Total Patents
#1 United States 29
#2 Canada 15
#3 United Kingdom 11

Patent filings per year

Chart showing UNDERWRITERS SAFETY DEVICE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ege Hans 16
#2 Hans Ege 10
#3 Ege H 5
#4 Linn Richard L 5
#5 Shea Gerald J 4
#6 Shea G 3
#7 Doctor Walter L Jr 2
#8 Linn R 2
#9 Kallage Richard G Jr 2
#10 Marach D 1

Latest patents

Publication Filing date Title
US3960435A Cartridge fuse clip with rejection means
US3851224A Fuse panel assembly for mounting varying size fuses
US3805206A Switch
US3739109A Safety disconnect switch
US3725851A Connector for high amperage applications
US3732530A Connector for high amperage applications
US3786400A Roll-apart terminal block assembly
US3754310A Method of making an electrical assembly fastened with thermoplastic eyelet
US3947080A Quick-connect-disconnect terminal block assembly
US3775733A Terminal block and terminal connector
US3710090A Multi-lamp assembly
US3670295A Terminal block and terminal connector
US3566333A Ejector means for a lamp receptacle
US3596227A Lamp receptacle
US3521219A Lamp mounting terminal block
US3474291A Capacitor discharge circuit with positive control means
US3487177A Multiple switch
US3356986A Terminal blocks and connectors therefor
US3397320A Terminal block mounting means for plug-in type photoelectric cell
US3333228A Lamp socket terminal block assembly