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DEUTSCHE EDELSTAHLWERKE AG

Overview
  • Total Patents
    2,292
About

DEUTSCHE EDELSTAHLWERKE AG has a total of 2,292 patent applications. Its first patent ever was published in 1922. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and machine tools are DAIDO STEEL CO LTD, NIPPON STEEL & and NIPPON STEEL CORP.

Patent filings in countries

World map showing DEUTSCHE EDELSTAHLWERKE AGs patent filings in countries

Patent filings per year

Chart showing DEUTSCHE EDELSTAHLWERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kuhlbars Hermann 133
#2 Seulen Gerhard Dr-Ing 129
#3 Closset Herbert 127
#4 Seulen Dr-Ing Gerhard 89
#5 Frehn Fritz 81
#6 Ballhausen Carl 74
#7 Edelstahlwerke Aktiengesellsch 70
#8 Seulen Gerhard 64
#9 Bungardt Karl 63
#10 Becker Gottfried 50

Latest patents

Publication Filing date Title
GB1473632A Muffler assembly for pneumatic installations
ES433828A3 Procedure for the preparation of a hard carbide alloy. (Machine-translation by Google Translate, not legally binding)
ES433827A3 Procedure for the production of a hard alloy of carbide united with steel and sinterized. (Machine-translation by Google Translate, not legally binding)
ES433678A3 Procedure for the obtaining of a hard alloy of carbide united with steel, sinterized. (Machine-translation by Google Translate, not legally binding)
ES433679A3 Procedure for the production of an alloy of sintered durable matter for welding purposes. (Machine-translation by Google Translate, not legally binding)
ES433544A3 Procedure for the production of an alloy of sintered metal. (Machine-translation by Google Translate, not legally binding)
ES433543A3 Procedure for the production of a sintered steel alloy. (Machine-translation by Google Translate, not legally binding)
GB1481190A Electrical circuit for magnetising and demagnetising permanent magnets
DE2452372A1 Preventing slivers on stainless steel strip surface - by adding titanium and opt. boron to deoxidised melt before casting
GB1469463A Permanent magnet holding system for ferromagnetic materials
ES429417A1 System of adherence of permanent magnets with variable adherence force. (Machine-translation by Google Translate, not legally binding)
DE2436983A1 Determining metal quality and hardenability - by conducting tests on cast blocks which are not subjected to plastic deformation
DE2435577A1 WELDING MATERIAL
FI198374A BROMSMAGNETSYSTEM Foer ELEKTRICITETSRAEKNARE
GB1419915A Handling roll for conveying ferromagnetic materials
DE2421605A1 Cobalt and rare earth metal alloys - separated into stoichiometric and rare earth metal-rich phase for permanent magnet prodn.
DE2417186A1 Austenitic sintered nickel alloy - contains a metal carbide and is resistant to chloride-contg aq solns
DE2415851A1 Increasing coercive field strength of permanent magnets - based on cobalt-rare earth(s) by tempering after sintering
DE2328717A1 Moulds for precision investment casting - using vapour-deposited layer of tungsten as mould coating
DE2327289A1 Increasing coercive field strength of cobalt-rare earth magnets - by magnetising, heat treating and remagnetising