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DUERENER METALLWERKE AG

Overview
  • Total Patents
    57
About

DUERENER METALLWERKE AG has a total of 57 patent applications. Its first patent ever was published in 1914. It filed its patents most often in Germany, Denmark and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machine tools and surface technology and coating are RENER METALLWERKE AG DU, SILUMIN GES M B H and ZHONGPU HANDAN STEEL CO LTD.

Patent filings in countries

World map showing DUERENER METALLWERKE AGs patent filings in countries
# Country Total Patents
#1 Germany 27
#2 Denmark 18
#3 United Kingdom 7
#4 Finland 3
#5 France 2

Patent filings per year

Chart showing DUERENER METALLWERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gliem Friedrich 4
#2 Daum Alfred 3
#3 Werning Karl Hermann 3
#4 Wirtz Peter 2
#5 Schild Adolf 2
#6 Paap Dipl-Ing Walter 2
#7 Eppinger Alfred 1
#8 Krag Jep 1
#9 Uhlmann Otto 1
#10 Faust Lorenz 1

Latest patents

Publication Filing date Title
GB490590A Method for the production of compact ingots and like workpieces from metals or alloys, especially alloys of aluminium or magnesium, and to a chill mould for carrying out said method
GB487215A Chill mould for the production of compact ingots and like workpieces from metals or alloys, especially alloys of aluminium or magnesium
GB489605A Chill mould for the production of ingots and like workpieces, of compact texture, from metals or alloys, especially alloys of aluminium or magnesium
GB486069A Improvements in chill casting moulds
GB485292A Process of manufacturing corrosion-resistant precipitation-hardenable clad aluminium alloys
GB387615A Corrosion-resistant age-hardenable aluminium composite metals
GB191413876A Improved Manufacture of Articles from German Silver Alloy.