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FILTROL COMPANY

Overview
  • Total Patents
    12
About

FILTROL COMPANY has a total of 12 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, chemical engineering and consumer goods are HENAN BAIYOUFU BIOLOGICAL ENERGY CO LTD, GLOBAL RESOURCE CORP and GEWERKSCHAFT KOHLENBENZIN.

Patent filings in countries

World map showing FILTROL COMPANYs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing FILTROL COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baylis Walter S 10
#2 Hartigan Arthur W 1
#3 Howard Hutchins George 1
#4 Chester Tietig 1
#5 Robinson Alfred P 1

Latest patents

Publication Filing date Title
US2139161A Process of refining oil
US1997896A Process of refining asphalt base petroleum
US1849655A Fat-splitting adsorbent and process of making same
US1866591A Process of making a superior oil
US1855610A Continuous operation apparatus for purifying liquids
US1810155A Re-activated adsorbent and method of making same
US1766211A Process of purifying gasoline
US1818453A Process of making chemically treated activated adsorbent material
US1849653A Process of treating petroleum oil
US1849654A Method of reclaiming used lubricating oils
US1808755A Process of treating beeswax
US1654629A Process of reactivation of adsorptive material