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NAU JOHN B

Overview
  • Total Patents
    11
About

NAU JOHN B has a total of 11 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, thermal processes and basic materials chemistry are AFFIVAL SA, IP ONE PTY LTD and LEMP HERMANN.

Patent filings in countries

World map showing NAU JOHN Bs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing NAU JOHN Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nau John B 11
#2 Battersby Thomas 1

Latest patents

Publication Filing date Title
US1161404A Ash removing and poking apparatus for gas-producers.
US1033611A Gas-producer.
US991633A Method of refining molten pig-iron.
US990765A Electric furnace.
US984590A Process of purifying and refining iron.
US916477A Tempering-furnace arrangement.
US878306A Reversing-valve for regenerative furnaces.
US805024A Reversing-valve for regenerative furnaces.
US786048A Process of purifying pig metals.
US694569A Furnace for heating ingots or billets.
US674011A Continuous rod-mill.