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HEMPTINNE ALEXANDRE DE

Overview
  • Total Patents
    17
About

HEMPTINNE ALEXANDRE DE has a total of 17 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, Denmark and Spain. Its main competitors in its focus markets basic materials chemistry and machines are ALVAH SMITH WILLIAM, MID CONTINENT PETROLEUM CORP and INTERLINE HYDROCARBON INC.

Patent filings in countries

World map showing HEMPTINNE ALEXANDRE DEs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Denmark 3
#3 Spain 3
#4 United States 3
#5 Austria 1
#6 Switzerland 1

Patent filings per year

Chart showing HEMPTINNE ALEXANDRE DEs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hemptinne Alexandre De 13
#2 Alexandre De Hemptinne 1

Latest patents

Publication Filing date Title
GB190915748A A Process for Transforming Oils into Viscous Products and its Application to the Manufacture of Lubricating Oils.
US970473A Manufacture of lubricating-oils.
GB190613023A Improved Process for Oxidising Liquids with Aid of Electric Discharges.
US852662A Process for eliminating the odors of fish-oils.
GB190512525A A Process for Eliminating the Odour of Fish-oil.
GB190507101A Apparatus for Absorbing Gases by a Liquid under the Action of the Silent Electric Discharge.
US797112A Process of converting oleic acid into stearic acid.
GB190501572A A Process for Converting Oleic Acid into Stearic Acid and like Compounds.