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DREW ERNEST F

Overview
  • Total Patents
    11
About

DREW ERNEST F has a total of 11 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, Canada and Austria. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and foods and drinks are NEW PROCESS FAT REFINING CORP, KUERSCHNER SPEZIAL MASCHF and JIANDE JIAXUAN ARTICLES CO LTD.

Patent filings in countries

World map showing DREW ERNEST Fs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 4
#3 Austria 1
#4 Switzerland 1

Patent filings per year

Chart showing DREW ERNEST Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drew Ernest F 10
#2 Ernest F Drew 1

Latest patents

Publication Filing date Title
US2874056A Margarine oil composition
US2471942A Method of recovering volatile materials
US2238442A Mixed capric-caprylic esters and method of making same
US2238441A Mixed lauric-myristic esters and method of making same
US1962299A Detergent compound and method for preparing the same
CA582674A Margarine composition
CA349671A Detergent compound
CA407046A Mixed capric-caprylic ester manufacture
CA407047A Glycerol ester composition