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ELECTRO REFRACTORIES & ABRASIV

Overview
  • Total Patents
    18
About

ELECTRO REFRACTORIES & ABRASIV has a total of 18 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, thermal processes and machines are AMERICAN ENCAUSTIC TILING COMP, AZBE CORP and INTERNAT CHROMIUM PROCESS CORP.

Patent filings in countries

World map showing ELECTRO REFRACTORIES & ABRASIVs patent filings in countries
# Country Total Patents
#1 United States 16
#2 France 1
#3 United Kingdom 1

Patent filings per year

Chart showing ELECTRO REFRACTORIES & ABRASIVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robie Norman P 6
#2 Saunders Alfred C 3
#3 Courtney John W 2
#4 Grant John F 2
#5 Solomon Earl A 1
#6 Easter George J 1
#7 Berns Milton H 1
#8 Leitten Carl F 1
#9 Courtney John William 1
#10 Lemmer Clarence G 1

Latest patents

Publication Filing date Title
US3291623A Refractory body and method of making same
US3203680A Crucible furnace
US3225130A Rotational method for making a metal melting crucible
US3143895A Device for transmitting motion
US3216478A Radiant gas burner tile
US3224850A Silicon aluminum boride complex
GB956674A Metal melting crucible
US3048493A Hard abrasive material and method of making
US2943008A Refractory articles
US2877104A Abrasive material and method of making same
US2871543A Ceramic ware support for use in kilns
US2806772A Abrasive bodies
US2817509A Lined crucibles
US2793021A Crucible for melting metal
US2801839A Crucibles for metal melting
US2772176A Stopper heads
US2638413A Abrasive articles