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BIRLEC EFCO MELTING LTD

Overview
  • Total Patents
    15
About

BIRLEC EFCO MELTING LTD has a total of 15 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United Kingdom, France and Belgium. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and thermal processes are INDUCTOHEAT INC, FRANCIS STANISLAUS DENNEEN and AJAX MAGNETHERMIC CORP.

Patent filings in countries

World map showing BIRLEC EFCO MELTING LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 France 4
#3 Belgium 2
#4 Canada 1
#5 Germany 1
#6 United States 1

Patent filings per year

Chart showing BIRLEC EFCO MELTING LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Humphreys George 2
#2 Harrison Percival Ronald 1
#3 Howard John Christie 1
#4 Leigh Francis S J 1
#5 Joseph Leigh Francis Simon 1
#6 Edward May 1
#7 Ellis Robert Stanley 1
#8 Robiette Alfred Gordon Evans 1
#9 Birkett Ingall James 1
#10 May Edward 1

Latest patents

Publication Filing date Title
US3287177A Heat treatment of strip material
GB959715A Control circuit arrangement for electric furnace
GB946005A Improvements in or relating to insulated electrical conductors
GB941895A Improvements relating to the mounting of electric arc electrodes
GB920674A Improvements in or relating to metal melting furnaces
GB988082A Improvements in or relating to the heat treatment of metal strip
GB899857A Improvements in or relating to electric arc furnaces
CA667800A Conductors for arc furnaces