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RONK ELECTRICAL IND INC

Overview
  • Total Patents
    12
About

RONK ELECTRICAL IND INC has a total of 12 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machine tools and machines are BULLOCK ELECTRIC COMPANY, MORAVIAN ELECTRICAL ENGINEERIN and MARATHON ELECTRIC MFG.

Patent filings in countries

World map showing RONK ELECTRICAL IND INCs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3

Patent filings per year

Chart showing RONK ELECTRICAL IND INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hertz Claude M 8
#2 Ronk Leroy B 8

Latest patents

Publication Filing date Title
US4816956A Stray voltage reduction apparatus
US4741084A Conversion of mechanical punch presses to hydraulic punch presses
US4697132A Reduction of voltage drop in power distribution systems and of loss of motor torque
US4484125A Three-phase delta-wound motor operated from single-phase current
CA1125369A Rotary phase converter
US4297551A Electrical transfer switch
CA1168697A Three-phase delta-wound motor operated from single- phase current
US4249237A Rotary phase converter
US4158225A Rotary dynamoelectric machine having high-resistance rotor
US4079446A Rotary phase converter
US3670238A Rotary dynamoelectric machine having high-resistance rotor