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ARROW HART INC

Overview
  • Total Patents
    117
About

ARROW HART INC has a total of 117 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and basic communication technologies are VERNON HOPE, BAER ELEKTROWERKE GMBH and JUNG ALBRECHT.

Patent filings in countries

World map showing ARROW HART INCs patent filings in countries

Patent filings per year

Chart showing ARROW HART INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dennison John J 8
#2 Bullock John W 6
#3 Yeske Louis A 5
#4 Christensen Paul M 5
#5 Dennison J 4
#6 Petitjean Robert J 4
#7 Schleicher H 4
#8 Schleicher Harold E 4
#9 Bremer Randall C 3
#10 Bullock J 3

Latest patents

Publication Filing date Title
US4181924A Mating circuit breakers with bus clip receiving zone and communicating arcuate groove
CA980842A Protective cover or shield for terminals of electrical devices
US3991290A Anti-rock preventing means for electric switch contacts
US4002870A Arcing contact for a high current switch
US3919513A Clamping mechanism for bolted contact switch
US3845433A Switch operator with tripping means
US3887888A High current switch
US3757170A Panelboard with mounting block securing stab contacts
US3777092A Trigger operated actuating mechanism for an electric switch with integrally molded fulcrum and snap-on connecting means associated with the trigger
US3814986A Motor control circuit
CA927885A Electrical limit switch
US3766348A Two part casing for trigger switch with one part mounting all switch contact members
US3922053A Plug-in bus duct
US3723942A Grounding clip electric receptacles
US3777087A Lever operated switch
CA923609A Grounding means for mounting bridges of attachment receptacles and the like
US3723939A Grounding means for mounting bridges of attachment plug receptacles and the like
US3735332A Insulating means for a jaw of a stab-mounted electrical meter or the like
US3745379A Thyristor control circuits including means for sensing the presence of an object
US3719859A Voltage sensing and switching circuit