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EMMA F WOOLSON

Overview
  • Total Patents
    12
About

EMMA F WOOLSON has a total of 12 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are BELLEM LOUIS HENRI LIBERT, DESIGN & MFG SOLUTIONS INC and GANZ & COMP EISENGIESSEREI UND.

Patent filings in countries

World map showing EMMA F WOOLSONs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing EMMA F WOOLSONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Woolson Lionel M 1

Latest patents

Publication Filing date Title
US1884480A Internal combustion engine
US1960362A Internal combustion engine
US1951854A Internal combustion engine
US1884479A Internal combustion engine starter
US2044113A Internal combustion engine
US1860444A Internal combustion engine
US1919286A Internal combustion engine
US1874682A Internal combustion kngine
US1928775A Internal combustion engine
US1918076A Internal combustion engine
US1932331A Internal-combustion engine
US1874683A Internal combustion engine