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SPRAGUE ELECTRIC CO

Overview
  • Total Patents
    1,902
About

SPRAGUE ELECTRIC CO has a total of 1,902 patent applications. Its first patent ever was published in 1894. 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 semiconductors are PRESIDIO COMPONENTS INC, KEMET ELECTRONICS CORP and ERIE TECHNOLOGICAL PROD INC.

Patent filings in countries

World map showing SPRAGUE ELECTRIC COs patent filings in countries

Patent filings per year

Chart showing SPRAGUE ELECTRIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ross Sidney D 122
#2 Preston Robinson 77
#3 Finkelstein Manuel 42
#4 Peck David B 40
#5 Bernard Walter J 39
#6 Kurt Lehovec 36
#7 Maher Galeb H 34
#8 Fabricius John H 32
#9 Netherwood Paul H 31
#10 Puppolo Henry F 29

Latest patents

Publication Filing date Title
US5223002A Method of making polyaniline solid electrolyte capacitor
US5099397A Fuzed solid electrolyte capacitor
US5053927A Molded fuzed solid electrolyte capacitor
US5057973A Solid electrolyte capacitor with integral stamped fuze
US5001073A Method for making bipolar/CMOS IC with isolated vertical PNP
US5006964A Low resistivity low ESR capacitor electrolyte
US5011067A Method for attaching a fuse wire to a lead frame
US4987519A Hermetically sealed aluminum electrolytic capacitor
US4989119A Solid electrolyte capacitor with testable fuze
US5001757A FM stereo tone detector
US4910644A Capacitor electrolyte and process therefor
US4982155A Hall sensor with high pass hall voltage filter
US4931901A Method for adjusting capacitor at manufacture and product
US4897249A Barium borate preparation
US4925808A Method for making IC die with dielectric isolation
US4935698A Sensor having dual Hall IC, pole piece and magnet
US4914051A Method for making a vertical power DMOS transistor with small signal bipolar transistors
US4882650A Magnesium titanate ceramic and dual dielectric substrate using same
US4882651A Monolithic compound-ceramic capacitor
US4852227A Method for making a multilayer ceramic capacitor with buried electrodes and terminations at a castellated edge