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HERAEUS VACUUMSCHMELZE AG

Overview
  • Total Patents
    407
About

HERAEUS VACUUMSCHMELZE AG has a total of 407 patent applications. Its first patent ever was published in 1923. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets materials and metallurgy, electrical machinery and energy and machine tools are DAIDO STEEL K K, JIANGSU INST OF RES OF IRON AND STEEL SHA-STEEL CO LTD and TAIYUAN IRON & STEEL GROUP CO LTD.

Patent filings in countries

World map showing HERAEUS VACUUMSCHMELZE AGs patent filings in countries
# Country Total Patents
#1 Germany 285
#2 United Kingdom 58
#3 France 31
#4 United States 20
#5 Austria 8
#6 Canada 4
#7 Belgium 1

Patent filings per year

Chart showing HERAEUS VACUUMSCHMELZE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hessenbruch Dr-Ing Werner 19
#2 Wilhelm Rohn 14
#3 Rohn Wilhelm 12
#4 Hessenbruch Dr Werner 10
#5 Rohn Dr Wilhelm 9
#6 Werner Hessenbruch 7
#7 Gruber Dr Herbert 7
#8 Rohn Wilhelm Dr 3
#9 Herbert Gruber 3
#10 Gruber Dr-Ing Herbert 3

Latest patents

Publication Filing date Title
DE753824C The use of nickel alloys for purposes where high erosion resistance is important
DE742930C Process to achieve a slight increase in the initial permeability with the field strength for pure iron
DE719309C Device for the production of?
DE718856C Device for the production of doubled workpieces
DE728179C Electrical resistance
DE720591C Use of a material with certain physical properties as a bandage material
US2257535A Method of working thermally hardenable beryllium-containtaining alloys
US2192497A Beryllium-copper alloys
US2192496A Beryllium-copper alloys
DE719979C Manganese alloys with a high expansion coefficient
DE722857C Thermocouple with negative nickel electrode
DE718292C Runner layered from sheet metal made of permanent magnet materials for magneto-electric machines
DE709740C Process for the production of beryllium-copper alloys
DE730388C Process for generating a magnetization curve, which still has a high permeability in the case of inductions close to the saturation, in magnetizable alloys
DE753093C The use of magnetic iron-nickel alloys
GB510861A An improved process for the production of copper free from oxygen and other gases
US2192495A Beryllium-copper alloys
DE742965C Metallic materials resistant to attack by molten zinc and molten zinc alloys
DE735991C Use of nickel-chromium-iron alloys for objects with the highest heat resistance
DE764307C Use of sintered hard metals