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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 63 | |
#2 | United Kingdom | 6 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Basic materials chemistry | |
#3 | Thermal processes | |
#4 | Chemical engineering | |
#5 | Environmental technology | |
#6 | Packaging and shipping | |
#7 | Machine tools |
# | Technology | |
---|---|---|
#1 | Ammonia or cyanogen | |
#2 | Preheating for stem generation | |
#3 | Gas, coke and tar production | |
#4 | Fuels | |
#5 | Separation | |
#6 | Transport or storage devices | |
#7 | Combustion residues removal | |
#8 | Presses | |
#9 | Supplying fuel to combustion device | |
#10 | Acetylene production |
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 |