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NAUGLE JOHN J

Overview
  • Total Patents
    30
About

NAUGLE JOHN J has a total of 30 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, materials and metallurgy and foods and drinks are TAIYO KAKEN CO, FJELL BIODRY AS and NOXSO CORP.

Patent filings in countries

World map showing NAUGLE JOHN Js patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 10

Patent filings per year

Chart showing NAUGLE JOHN Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Naugle John J 30

Latest patents

Publication Filing date Title
US2617815A Method of refining wax
US2568085A Filtering device
US2515353A Method of treating sugarcontaining solutions
US2469512A Siliceous magnesium-containing purifying medium and process of producing it
US2462277A Method of preparing an activated magnesium oxide
US2498292A Clarifier
US2381462A Filtering means
US1898203A Method of refining sugar and the like
US1813073A Filtering means
US1867750A Apparatus for heating and treating subdivided carbonaceous material and the like
US1860944A Method of treating liquids
US1794916A Means for treating liquids
US1633709A Filtering element
US1593879A Electric furnace
US1731473A Method of treating carbonaceous material in an electric furnace or the like
US1701272A Electric furnace product
US1731474A Process for the treatment of comminuted carbonaceous material and the like in electric furnaces and the like
US1597208A Electric furnace for the treatment of comminuted material
US1794862A Prefiltering means
US1772262A Filtering method and means