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MERSHON RALPH D

Overview
  • Total Patents
    75
About

MERSHON RALPH D has a total of 75 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and audio-visual technology are SPRAGUE SPECIALTIES CO, AEROVOX INC and AEROVOX CORP.

Patent filings in countries

World map showing MERSHON RALPH Ds patent filings in countries
# Country Total Patents
#1 United States 71
#2 Canada 4

Patent filings per year

Chart showing MERSHON RALPH Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mershon Ralph D 75

Latest patents

Publication Filing date Title
US2079081A Electrolytic apparatus
US2014005A Electrode or terminal for electrolytic apparatus
US2024240A Electrolytic rectifier and condenser
US1949871A Electrode or terminal for electrolytic apparatus
US2014004A Terminal for electrolytic condensers and rectifiers
US1889417A Electrolytic rectifier
US1948864A Maintaining voltage balance in electrolytic condensers
US2293657A Electrolytic condenser and formation of anode films
US1908039A Electrolytic rectifier
US1974579A Electrolytic condenser
US2050062A Electrolytic condenser
US1889416A Electrolytic condenser
US1949870A Electrode or terminal for electrolytic apparatus
US1889415A Excited electrolytic condenser
US1874111A Electrolytic condenser
US1773492A Electrolytic condenser
US1784532A Electrode for electrolytic condensers and the like
US1784674A Film formation and operation of electrolytic condensers and other apparatus
US1572404A Protecting condenser parts against corrosion
US1473243A Means for maintaining ebullition