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OXHYDRIQUE FRANCAISE L

Overview
  • Total Patents
    93
About

OXHYDRIQUE FRANCAISE L has a total of 93 patent applications. Its first patent ever was published in 1902. It filed its patents most often in France, Switzerland and United Kingdom. Its main competitors in its focus markets machine tools, materials and metallurgy and environmental technology are IVANOVSKIJ G UNI, CONTOLEON G A and CIE FRANCAISE DE L ACETYLENE D.

Patent filings in countries

World map showing OXHYDRIQUE FRANCAISE Ls patent filings in countries
# Country Total Patents
#1 France 75
#2 Switzerland 10
#3 United Kingdom 5
#4 Canada 1
#5 Spain 1
#6 United States 1

Patent filings per year

Chart showing OXHYDRIQUE FRANCAISE Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oxhydrique Francaise L 9
#2 Gougnard Henri Clement Lambert 1
#3 Brun Louis 1
#4 Porupszky Andre Charles Louis 1
#5 Emile Lefebvre Fernand 1

Latest patents

Publication Filing date Title
ES379211A1 Improvements introduced in an installation for the injection of sulfurous anhydroid anhydride in a liquid. (Machine-translation by Google Translate, not legally binding)
FR1490561A Inverter for pressurized fluid distribution and its applications
FR855361A Improvement in dosing devices for fluids
GB424622A Process and apparatus for the production of hydrogen
GB294150A Improvements in methods and apparatus for the production of hydrogen
US1752187A Apparatus for the production of hydrogen
GB230046A Hydrogen producing apparatus
GB206822A Improved process of manufacture of hydrogen
GB199364A Process for the manufacture of hydrogen
CA242862A Hydrogen manufacture