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ELECTRA MFG COMPANY

Overview
  • Total Patents
    21
About

ELECTRA MFG COMPANY has a total of 21 patent applications. Its first patent ever was published in 1952. 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 surface technology and coating are PROTECTRONICS TECHNOLOGY CORP, CENTRAL RADIO LAB and KOHRING WILBUR M.

Patent filings in countries

World map showing ELECTRA MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 4
#3 United Kingdom 2

Patent filings per year

Chart showing ELECTRA MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ragan Randall C 7
#2 Mclean William E 4
#3 Cramer Howard A 3
#4 Woodell Victor A 3
#5 Swartz Gaylord A 3
#6 Maiden Clinton E 2
#7 Hannaway Paul R 1
#8 Ho Roland K 1
#9 Hanaway Paul R 1
#10 Milks Bobby G 1

Latest patents

Publication Filing date Title
US3394680A Machine for applying to cylindrical objects a controlled thickness of electrical coating material
US3290761A Method of manufacturing and attaching non-electrolytic tantalum capacitors
US3252831A Electrical resistor and method of producing the same
US3271544A Precision electrical fuse
US3277232A Lead construction for miniature electrical circuit elements
US3357856A Method for metallizing openings in miniature printed circuit wafers
US3235480A Thermionic evaporation rate controller
US3282730A Precision electrical resistor
US3199058A Precision resistor
US3240637A Procedure and apparatus for nitriding film type precision resistors
US3190771A Filament for vacuum deposition apparatus and method of making it
US2812471A Multiple resistor unit
US2700368A Machine for automatically varnishing electrical resistors
US2752039A Automatic resistance tester for resistor producing system
US2724306A Automatic spiraling machine for making electrical resistors
CA776334A Method and apparatus for metallizing openings in miniature printed circuit wafers and the like
CA721819A Precision resistor
CA771284A Precision electrical fuse
CA797410A Electrical resistor and method of producing the same