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FRITZ HOFMANN

Overview
  • Total Patents
    18
About

FRITZ HOFMANN has a total of 18 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and macromolecular chemistry and polymers are SMUDA HEINRICH, CHEMON CORP and NINGBO LANRUN ENERGY TECHNOLOGY CO LTD.

Patent filings in countries

World map showing FRITZ HOFMANNs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 United States 4
#3 Germany 1
#4 France 1

Patent filings per year

Chart showing FRITZ HOFMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fritz Hofmann 4
#2 Carl Wulff 1
#3 Michael Otto 1
#4 Walter Stegemann 1
#5 Kaufmann Julius 1
#6 Hofmann Fritz 1

Latest patents

Publication Filing date Title
GB1039060A Side-trueing device for grinding wheels
US2576223A Method of producing wear resistant steel rails
US1885060A Polymerization of olefines
GB306421A Improvements in or relating to the purification of coal tar oils
US1791562A Cracking oils
GB301420A An improved process for refining low temperature tar, tar oils of any origin, crude benzene and products obtained by the destructive hydrogenation of carbonaceous materials
GB298484A An improved process for refining low temperature tar, tar oils of any origin, crude benzene and products obtained by the destructive hydrogenation of carbonaceous materials
GB292932A Improvements in or relating to the refining of petroleum
GB313067A An improved process for the polymerisation of olefines
GB293109A Improvements in or relating to ore smelting
GB284616A Improvements in or relating to mineral lubricating transformer or other oils exposedat raised temperatures to air
GB289909A Process for the preservation of mineral oils
US1600172A Chain-applying device