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WILHELM ROHN

Overview
  • Total Patents
    31
About

WILHELM ROHN has a total of 31 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets materials and metallurgy, machines and machine tools are ESCAUT ET MEUSE D, SMS SCHLEMANN ZIMAG AG and YANGZHOU CHENGDE STEEL PIPE CO LTD.

Patent filings in countries

World map showing WILHELM ROHNs patent filings in countries
# Country Total Patents
#1 United States 30
#2 United Kingdom 1

Patent filings per year

Chart showing WILHELM ROHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilhelm Rohn 30
#2 Heinrich Cornelius 2
#3 Franz Bollenrath 1
#4 Franz Bollerath 1

Latest patents

Publication Filing date Title
US2468896A Instrument for measuring and indicating the intensity of gas currents
US2246078A Valve made of cobalt-nickel-chromium-iron alloy
US2245366A Hardening cobalt-nickel-chromiumiron alloys
US2205049A Bearing
US2085449A Multihigh rolling mill
US2090074A Induction furnace
US2061370A Heat resisting article
US1942150A Alloy for surgical needles
US1976247A Wire drawing machine
US2036101A Continuous rolling mill
US1983242A Induction furnace
US1903724A Multihigh rolling mechanism
US1964893A Rolling mill
US1895135A Water-cooled mold
US1948448A Turbine blade
US1946240A Hot rolling steel strips
US1811213A Furnace heated by high frequency coils
US1736053A Nickel-chromium-iron alloy and articles made therefrom
US1812172A Production of castings free from pipes and blow-holes
US1519058A Process of melting metals