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EISENWERKE GELSENKIRCHEN AG

Overview
  • Total Patents
    129
About

EISENWERKE GELSENKIRCHEN AG has a total of 129 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and electrical machinery and energy are VALLAK E, AJF INC and ASHMORE BENSON PEASE & CO LTD.

Patent filings in countries

World map showing EISENWERKE GELSENKIRCHEN AGs patent filings in countries
# Country Total Patents
#1 Germany 99
#2 France 9
#3 United Kingdom 9
#4 Austria 7
#5 United States 4
#6 Canada 1

Patent filings per year

Chart showing EISENWERKE GELSENKIRCHEN AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Biefang Peter 27
#2 Wittmoser Dr-Ing Habil Adalber 14
#3 Wittmoser Dr-Ing Adalbert 8
#4 Wittmoser Adalbert Dr-Ing 7
#5 Burchartz Heinrich 5
#6 Eicke Johannes Dr-Ing 4
#7 Kintzinger Karl Dipl-Ing 4
#8 Grafarend Erich 4
#9 Kanderske Johann 3
#10 Trautmann Kurt Dr-Ing 3

Latest patents

Publication Filing date Title
US2941266A Continuous casting process and apparatus
GB812484A Improved process and apparatus for the continuous casting of hollow metallic elements
GB807363A Improvements in or relating to the continuous casting process
DE1025319B Process for the production of mixtures of fibrous materials and setting or setting binders
GB774242A Improvements in or relating to the casting of hollow metal bodies
GB759895A Improvements in or relating to cast-iron
GB750709A Means for feeding molten metal to moulds in continuous casting processes
GB738915A Improvements in or relating to the casting of socketed pipes and the like
US2800691A Metal casting apparatus
GB725893A Improved lubricating means for the mould in continuous casting
GB721628A Metal centrifugal casting mould and method of producing the same
US2752651A Centrifugal casting molds
DE1014762B Process for the electrolytic isolation of structural components, such as carbides, inclusions or the like, in iron and metal alloys and test specimens used to carry out this process
DE823322C Method and device for casting metals in endless stretches
DE848961C Heat treatment of strands cast in the continuous casting process, preferably made of iron and steel
DE919205C Filler for viscous to plastic bitumen and pitch at normal temperature
DE899415C Process for the production of plastics from coal tar pitches to be fluxed with heavy tea oils
DE885827C Process for the production of road building materials
CA553329A Method and apparatus for continuous casting of socket pipes and the like