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STILL CARL

Overview
  • Total Patents
    234
About

STILL CARL has a total of 234 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and chemical engineering are STILL FA CARL, STILL CARL FRIEDRICH and DIDIER KOGAG HINSELMANN KOKSOFENBAU GASVERWERTUNG AG.

Patent filings per year

Chart showing STILL CARLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Still Carl 21
#2 Stratmann Josef 2
#3 Lorenz Kurt 2
#4 Strobel Manfred 2
#5 Weber Heinrich 2
#6 Dungs Horst 2
#7 Shtratmann Iozef 1
#8 Weber H 1
#9 Shpajkh Peter 1
#10 Schmanch Hugo 1

Latest patents

Publication Filing date Title
US4181706A Method and apparatus for decomposing ammonia fumes having a high hydrogen sulfide content
US4151082A Settling unit for circulated coke quenching water
GB1578771A Process and apparatus for the separation of tar and ammonia liquor effluents from coke oven plants
GB1578772A Apparatus for the removal of a tar- and coal suspension from ammonia liquor
SU764615A3 Method of making coke briquets from lignite briquets
GB1345198A Joint processing of the gaseous products from coke ovens and coal water
GB1333813A Apparatus for quenching incandescent coke
US3054728A Dry distillation process and apparatus
GB445250A Improvements relating to the intermittent operation of externally heated coke ovens or retorts
GB409177A Expansion valve for carrying out cracking and distillation processes
GB403595A Process and apparatus for producing water gas in chamber and retort ovens
GB403040A Stamping apparatus for coking coal
GB405540A Apparatus and process for the cracking and distillation of hydrocarbon oils, tars and the like
GB412765A Process for the production of pitch by cracking coal tars
GB397050A Improvements in or relating to chamber ovens for the production of coke and gas
GB401508A A process for cracking tar oils or crude tars by heating under pressure in the liquid phase
GB410233A Improvements in coke ovens
GB402549A Apparatus for the operation of a battery of horizontal chamber ovens for the production of coke and gas
GB389377A Process and apparatus for the production of water gas in chamber and retort ovens
GB386258A Process for the joint operation of several chamber ovens or retorts