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EFREM OSCAR

Overview
  • Total Patents
    14
About

EFREM OSCAR has a total of 14 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Switzerland, United Kingdom and Denmark. Its main competitors in its focus markets basic materials chemistry are SPAROL INT APS, KOPALNIA WEGLA KAMIENNEGO SOSN and FUSION GROUP HOLDINGS CO LTD.

Patent filings in countries

World map showing EFREM OSCARs patent filings in countries
# Country Total Patents
#1 Switzerland 6
#2 United Kingdom 4
#3 Denmark 2
#4 Austria 1
#5 Spain 1

Patent filings per year

Chart showing EFREM OSCARs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Fuels

Top inventors

# Name Total Patents
#1 Efrem Oscar 13
#2 Sidler August 5
#3 Klaudy Josef 1
#4 Schwarz Rudolf 1

Latest patents

Publication Filing date Title
GB191122672A Improvements relating to Fire Lighters.
GB190516397A New or Improved Disengaging Mechanism for the Controlling Devices of Shunt Circuit Arc Lamps.
GB190301070A Improvements in Electric Arc Lamps.
GB189914339A Process for the Production of Substances of Great Catalytic Activity.