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GUSTAV HILGER

Overview
  • Total Patents
    69
About

GUSTAV HILGER has a total of 69 patent applications. Its first patent ever was published in 1921. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and thermal processes are NITROGEN PRODUCTS COMPANY, GASTON PHILIPPE GUIGNARD and STRONGIN G M.

Patent filings in countries

World map showing GUSTAV HILGERs patent filings in countries
# Country Total Patents
#1 Germany 63
#2 United Kingdom 6

Patent filings per year

Chart showing GUSTAV HILGERs patent filings per year from 1900 to 2020

Latest patents

Publication Filing date Title
GB374963A Improvements in or relating to coke ovens
GB373257A Process of and apparatus for producing coke from carbonaceous fuels
GB374962A Improvements in or relating to coke ovens
GB373241A Process of and apparatus for recovering and improving the distillation gases produced in the manufacture of coke
GB357591A Improvements in devices for moulding coking materials
GB353139A Process of producing coke from carbonaceous fuels
DE413503C Chimney cooler