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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 27 | |
#2 | Denmark | 18 | |
#3 | United Kingdom | 7 | |
#4 | Finland | 3 | |
#5 | France | 2 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Machine tools | |
#3 | Surface technology and coating | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Casting metal | |
#2 | Alloys | |
#3 | Making metal sheets | |
#4 | Punching metal | |
#5 | Rolling metal | |
#6 | Layered products | |
#7 | Nails | |
#8 | Foundry moulding | |
#9 | Coating metallic material | |
#10 | Making screws |
# | 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 |
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. |