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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Switzerland | 6 | |
#2 | United Kingdom | 4 | |
#3 | Denmark | 2 | |
#4 | Austria | 1 | |
#5 | Spain | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry |
# | Technology | |
---|---|---|
#1 | Fuels |
# | Name | Total Patents |
---|---|---|
#1 | Efrem Oscar | 13 |
#2 | Sidler August | 5 |
#3 | Klaudy Josef | 1 |
#4 | Schwarz Rudolf | 1 |
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. |