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SIGURD WESTBERG

Overview
  • Total Patents
    15
About

SIGURD WESTBERG has a total of 15 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets materials and metallurgy, thermal processes and environmental technology are DETROIT ELECTRIC FURNACE COMPA, BOREL SA and STEIN HEURTEY.

Patent filings in countries

World map showing SIGURD WESTBERGs patent filings in countries
# Country Total Patents
#1 United States 8
#2 United Kingdom 6
#3 Germany 1

Patent filings per year

Chart showing SIGURD WESTBERGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sigurd Westberg 8

Latest patents

Publication Filing date Title
GB518261A A process for the production of refined iron and alloy steels
GB514950A A process for the production of low carbon iron or steel
GB516867A Heat resistant chromium-containing alloy steels and process for the production thereof
US2164727A Process for the production of low carbon steel
GB310458A Process of baking a highly refractory lining in metallurgical furnaces, especially induction furnaces, crucibles and the like
US1827446A Process of making refractory linings
GB317180A Method of refining metals and alloys
US1690916A Method of reducing oxides to metallic form
US1715155A Method of reducing oxides or oxide ores
GB260646A Improvement in processes of treating solid ferrous material
US1617359A Heat-treating furnace
US1786806A Process of refining iron and steel
US1586543A Process of refining metals
US1629563A Process for making iron and steel