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COMMENTRY FOURCHAMBAULT & DECA

Overview
  • Total Patents
    91
About

COMMENTRY FOURCHAMBAULT & DECA has a total of 91 patent applications. Its first patent ever was published in 1912. It filed its patents most often in France, Switzerland and United Kingdom. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and measurement are CHENGDE JIANLONG SPECIAL STEEL, JIANGSU ZHENGDA FURNACE CHARGE CO LTD and SAKLATWALLA BYRAMJI D.

Patent filings in countries

World map showing COMMENTRY FOURCHAMBAULT & DECAs patent filings in countries
# Country Total Patents
#1 France 31
#2 Switzerland 22
#3 United Kingdom 21
#4 United States 12
#5 Germany 4
#6 Belgium 1

Patent filings per year

Chart showing COMMENTRY FOURCHAMBAULT & DECAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Decazeville Societe Anonyme De 19
#2 Pierre Girin 7
#3 Bouchet Jean 3
#4 Pierre Chevenard 3
#5 Girard 3
#6 Taradoire 2
#7 Leonce Reygagne 1
#8 Reygagne M 1
#9 Reygagne Leonce Marie 1
#10 Babel Louis 1

Latest patents

Publication Filing date Title
GB742455A Process for dephosphorising steel and pig iron
GB730788A Improvements in processes for accelerating self-pulverisation of slag
GB705905A Improvements in preparation of metals and alloys at very high temperatures and products obtained thereby
GB697617A Improvements relating to bimetallic strips or elements
GB680468A Improvements in treatment process for altering the composition and properties of hypereutectic crude irons and irons obtained thereby
GB676823A Improvements in or relating to the treatment of hypereutectic iron
US2586315A Treatment process for hypereutectic cast irons
GB686831A Improvements in process for manufacturing hypereutectic cast-iron and products thereof
GB693612A Improvements in process for improving slags and dross
DE908378C Process for treating metallurgical slag
GB664203A Improvements in and relating to heating by means of radiant heat tubes
US2574665A Apparatus for detecting the caloric outputs of gaseous fuels
GB652805A Apparatus for measuring and regulating the calorific output of gaseous fuels
GB690417A Improvements in and relating to fluid-heating and other furnaces
GB657818A Austenitic steels of high nickel, chromium and cobalt content and method for the heat treatment thereof
GB643534A A process for coating metal objects by electrophoresis
GB646453A An instrument for the simultaneous registering or recording of the values of two interconnected quantities or for enabling such quantities to be constrained to vary with respect to one another according to a predetermined law
GB646069A Improvements in or relating to the surface hardening of mild steel
GB637711A Improvements in or relating to creep resisting alloys and manufacture thereof
GB605943A Improvements in or relating to the manufacture of mineral wools