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ALVAH SMITH WILLIAM

Overview
  • Total Patents
    13
About

ALVAH SMITH WILLIAM has a total of 13 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, electrical machinery and energy and organic fine chemistry are MID CONTINENT PETROLEUM CORP, INTERLINE HYDROCARBON INC and PETROCON CORP.

Patent filings in countries

World map showing ALVAH SMITH WILLIAMs patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing ALVAH SMITH WILLIAMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Alvah Smith William 13

Latest patents

Publication Filing date Title
US2588170A Secondary battery
US2422443A Condensation of hydrocarbons
US2356952A Conversion of petroleum oils
US2249333A Lubricant
US2247927A Treatment of hydrocarbons
US2267142A Treatment of hydrocarbons
US2247926A Treatment of hydrocarbons
US2233683A Lubricant
US2088281A Manufacture of metal silicates
US2003158A Motor fuel and method of manufacture
US1964087A Process for refining hydrocarbon materials
US2216027A Method of removing sulphur impurities from petroleum oils
US1938117A Process of removing injurious ingredients from petroleum distillates