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DERVAL EUGENE

Overview
  • Total Patents
    12
About

DERVAL EUGENE has a total of 12 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United Kingdom, Austria and Switzerland. Its main competitors in its focus markets basic materials chemistry and thermal processes are STETTINER CHAMOTTE FABRIK AKTI, INDUGAS IND & GASOFEN BAUGES M and GLOVER SAMUEL.

Patent filings in countries

World map showing DERVAL EUGENEs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 Austria 2
#3 Switzerland 2
#4 United States 2
#5 France 1

Patent filings per year

Chart showing DERVAL EUGENEs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Basic materials chemistry
#2 Thermal processes

Focus technologies

# Technology
#1 Gas, coke and tar production
#2 Burners

Top inventors

# Name Total Patents
#1 Derval Eugene 11
#2 Eugene Derval 1

Latest patents

Publication Filing date Title
GB190602040A Improvements in Furnaces for Vertical Gas Retorts.
GB190415860A Improvements in or connected with Retort Benches for the Manufacture of Illuminating Gas.
GB190321964A Improvements in Inclined Gas Retorts.
US762578A Regenerative gas-furnace.
GB190210539A Improvements in or connected with Inclined Gas Retorts.
US653793A Regenerative gas-furnace.
GB189907526A Improvements in Gas-heated Furnaces for Inclined Gas Retorts.