Learn more

FOUR ELECTR DELEMONT SA DU

Overview
  • Total Patents
    31
About

FOUR ELECTR DELEMONT SA DU has a total of 31 patent applications. Its first patent ever was published in 1946. It filed its patents most often in Switzerland, Germany and France. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and thermal processes are PARKER NETSUSHORI KOGYO CO LTD, SCHWING EWALD and OFENBAUGESELLSCHAFT BERG & CO.

Patent filings in countries

World map showing FOUR ELECTR DELEMONT SA DUs patent filings in countries
# Country Total Patents
#1 Switzerland 9
#2 Germany 5
#3 France 5
#4 United Kingdom 5
#5 Austria 4
#6 Spain 1
#7 Italy 1
#8 Netherlands 1

Patent filings per year

Chart showing FOUR ELECTR DELEMONT SA DUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Delemont S A Du Four Electriqu 2
#2 Steulet Marc-Aurele 2
#3 Pierre Beuret 2
#4 Grandjean Andre 2
#5 Beuret Pierre 2
#6 Philippe Membrez 2
#7 Membrez Philippe 2
#8 Georges Membrez 1
#9 Membrez Georges Dipl Ing 1
#10 Delemont Societe Anonyme Du Fo 1

Latest patents

Publication Filing date Title
CH683256A5 Wire mesh conveyor belt.
DE2950967A1 METHOD FOR CONTINUOUS DIFFUSION TREATMENT OF METAL PARTS AND CONTINUOUS MUFFLE STOVE FOR CARRYING OUT THE METHOD
ES417453A1 Improvements in devices for the regeneration of the temple oil of the metal parts. (Machine-translation by Google Translate, not legally binding)
GB1126246A Process of gaseous carburisation of steel
GB1141460A Furnace for the continuous heat-treatment of metallic parts
GB1046388A Apparatus for continuous final quenching of heated articles
GB939453A Apparatus for continuous final quenching of heated articles
GB813192A Apparatus for carburising in a closed cycle in the gaseous phase