C OTTO & CO G M B H DR has a total of 21 patent applications. Its first patent ever was published in 1899. It filed its patents most often in Belgium, United Kingdom and Austria. Its main competitors in its focus markets basic materials chemistry, surface technology and coating and environmental technology are INTERNAT COAL CARBONIZATION CO, WILPUTTE COKE OVEN CORP and GAS CHAMBERS & COKE OVENS LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Belgium | 17 | |
#2 | United Kingdom | 2 | |
#3 | Austria | 1 | |
#4 | France | 1 |
# | Industry | |
---|---|---|
#1 | Basic materials chemistry | |
#2 | Surface technology and coating | |
#3 | Environmental technology | |
#4 | Materials and metallurgy | |
#5 | Machines |
Publication | Filing date | Title |
---|---|---|
BE895245R | Coating for refractory brick in coking furnace - comprising soluble glass, non soluble glass, and zircon in aq. suspension | |
GB801592A | Improvements relating to vertical retorts | |
GB315668A | Improvements in coke ovens |