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STILL CARL GMBH

Overview
  • Total Patents
    110
About

STILL CARL GMBH has a total of 110 patent applications. Its first patent ever was published in 1926. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and environmental technology are NITTETSU CHEM IND CO, QUJING ZHONGYI FINE CHEMICAL INDUSTRY CO LTD and URBANA COKE CORP.

Patent filings in countries

World map showing STILL CARL GMBHs patent filings in countries
# Country Total Patents
#1 Germany 85
#2 France 12
#3 United Kingdom 11
#4 Belgium 1
#5 Switzerland 1

Patent filings per year

Chart showing STILL CARL GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carl Still G M B H 1

Latest patents

Publication Filing date Title
GB490813A Improvements in coke ovens
GB475609A Improvements in or relating to regenerative coke ovens
DE655465C Saettiger
GB460478A Process and apparatus for regenerating washing oil which has been used in the production of benzene from coal distillation gases
DE662336C Regenerative composite coke oven
DE641814C Distillation column
DE644249C Process for cooling coal distillation gases
DE644447C Device for producing hollow ducts in the charging of chamber ovens
GB449369A Method of utilising the waste heat in the production of benzene from saturated wash oil
GB439474A Improvements in or relating to compound regenerative coking ovens
GB443680A Method of and apparatus for charging horizontal chamber ovens with carbonising retorts
DE639041C Process and device for the production of coarsely crystalline acid-free ammonium sulfate
GB439409A Carbonising retorts for use in coke and gas-producing chamber ovens
GB434403A Improvements in or relating to coke ovens
DE622370C Method and device for revitalizing washing oil
DE630907C Saettiger
DE622455C Method and device for gas-tight connection of gas suction pipes in the coal charging of retorts and chamber furnaces
DE666962C Filling cart for chamber ovens
DE623179C Diverter valve for regenerative composite coke ovens
DE669556C Device for operating standing smoldering retorts