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METALLURG D ESPERANCE LONGDOZ

Overview
  • Total Patents
    68
About

METALLURG D ESPERANCE LONGDOZ has a total of 68 patent applications. Its first patent ever was published in 1957. It filed its patents most often in France, United Kingdom and Belgium. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and environmental technology are CHUNG WON KI, AUTOMAT IND S L and GUSZSTAHLWERK BOCHUMER VER AG.

Patent filings in countries

World map showing METALLURG D ESPERANCE LONGDOZs patent filings in countries
# Country Total Patents
#1 France 17
#2 United Kingdom 14
#3 Belgium 12
#4 Germany 9
#5 United States 5
#6 Austria 4
#7 Sweden 4
#8 Canada 2
#9 Spain 1

Patent filings per year

Chart showing METALLURG D ESPERANCE LONGDOZs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Daubersy Jean 10
#2 Jean Daubersy 4
#3 Daubersy J 3
#4 Schlemmer Albert 2
#5 Hallet Guy 1
#6 Kuunen Nicolas 1
#7 Chaussee Jean 1
#8 Wacquez P 1
#9 Pierre Wacquez 1
#10 Schlermer Albert 1

Latest patents

Publication Filing date Title
GB1272703A A method of and means for collecting coke-oven dust
BE745721A Fluid moulding - sand compn and production
GB1195002A Cold-rolled Steel Sheets having High Yield Points
GB1260659A Process and apparatus for the production of cold-workable steel
DE1583696A1 Method and device for accelerating the solidification of the upper end of the ingot in unkilled steel
GB1152107A Improvements in or relating to Steel Sheets for Enamelling
DE1652432A1 Plant for the production of markings on solid bodies, in particular on sheet metal
GB1183975A Method and apparatus for Continuous Galvanising
DE1621340A1 Method and device for continuous galvanizing
DE1508249A1 Process for the production of steel with a very low phosphorus content
GB998683A Treating sheet steel to render it non-ageing
US3177070A Steel for drawing, and method of manufacturing this steel
GB984967A Steel for drawing, and method of manufacturing this steel
DE1259922B Method and device for decarburizing and denitrifying steel sheets wound into loose coils in a moist hydrogen atmosphere
DE1258436B Process and system for decarburizing and denitrifying steel sheets in a moist hydrogen atmosphere
GB986685A Rendering bobbins of thin sheet steel non-ageing
GB1011562A Treating sheet metal in open coil bobbins
GB959058A Coating thin steel sheet
US3216106A Process and apparatus for covering thin metal plates
DE1186888B Method and device for annealing thin sheets